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Complete the detective's slightly unprofessional crime scene report.

The suspect _____ the stolen diamonds on the kitchen table, but right now, my lazy cat is _____ exactly where the evidence used to be.

The correct answer is laid / lying.

"Lay" is a transitive verb (meaning to place something down) and its past tense is laid (he laid the diamonds). "Lie" is an intransitive verb (meaning to recline or rest) and its present participle is lying (the cat is lying there).

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Humor

Humor is subjective, but at least the author tried.

Irregular Verbs

The English language has a large number of irregular verbs, approaching 200 in normal use—and significantly more if prefixed forms are counted. In most cases, the irregularity concerns the past tense (also called preterite or the past participle.

The other inflected parts of the verb—the third person singular present indicative in -[e]s, and the present participle and gerund form in -ing—are formed regularly in most cases. There are a few exceptions: the verb be has irregular forms throughout the present tense; the verbs have, do, go and say have irregular -[e]s forms; and certain defective verbs (such as the modal auxiliaries) lack most inflection.

The irregular verbs include many of the most common verbs: the dozen most frequently used English verbs are all irregular. New verbs (including loans from other languages, and nouns employed as verbs) usually follow the regular inflection, unless they are compound formations from an existing irregular verb (such as housesit, from sit).

Irregular verbs in Modern English typically derive from verbs that followed more regular patterns at a previous stage in the history of the language. In particular, many such verbs derive from Germanic strong verbs, which make many of their inflected forms through vowel gradation, as can be observed in Modern English patterns such as sing–sang–sung. The regular verbs, on the other hand, with their preterites and past participles ending in -ed, follow the weak conjugation, which originally involved adding a dental consonant (-t or -d). Nonetheless, there are also many irregular verbs that follow or partially follow the weak conjugation.

For information on the conjugation of regular verbs in English, as well as other points concerning verb usage, see verbs.

Strong Verbs

A large number of the irregular verbs derive from Germanic strong verbs, which display the vowel shift called ablaut, and do not add an ending such as -ed or -t for the past forms. These sometimes retain past participles with the ending -[e]n, as in give–gave–given and ride–rode–ridden, but in other cases this ending has been dropped, as in come–came–come and sing–sang–sung. This verb group was inherited from the parent Proto-Germanic language, and before that from the Proto-Indo-European language. It was originally a system of regular verbs, and in modern German the system remains more or less regular; however in Modern English relatively few verbs continue to follow such a pattern, and they are classed as irregular.

Verbs that retain a strong-type inflection in modern English and add -[e]n in the past participle include bear, beat, beget, bite, blow, break, choose, cleave, draw, drive, eat, fall, fly, forbid, forget, forsake, freeze, give, grow, know, lie, ride, rise, see, shake, shear, slay, smite, speak, steal, stride, strive, swear, take, tear, throw, tread, wake, weave, and write.

Those that do not add -[e]n in the usual past participle include become, begin, bind, burst, cling, come, drink, fight, find, fling, get (but with past participle gotten in American English), grind, hang, hold, let, ring, run, seek, shed, shine, shit, shoot, shrink, sing, sink, sit, slide, sling, slink, slit, spin, spring, stand, sting, stink, strike, swim, swing, win, wind and wring.

The verbs sow and swell are now usually regular in the past tense, but retain the strong-type past participles sown and swollen. Other verbs retain participles in -n for certain adjectival uses, such as drunken and sunken. The verb crow is now regular in the past participle, but the strong past tense crew is sometimes used.

Some originally weak verbs have taken on strong-type forms by analogy with strong verbs. These include dig, dive (when dove is used as the past tense), hide, mow, prove (when proven is used as the past participle), saw (past participle sawn), sew (past participle sewn), show (past participle shown), spit, stick, strew, string, and wear (analogy with bear).

Weak Verbs

Some other irregular verbs derive from Germanic weak verbs, forming past tenses and participles with a -d or -t ending (or from originally strong verbs that have switched to the weak pattern). The weak conjugation is also the origin of the regular verbs in -ed; however various historical sound changes (and sometimes spelling changes) have led to certain types of irregularity in some verbs. The main processes are as follows (some verbs have been subject to more than one of these).

  • Some weak verbs with long vowels in their present tense stems (such as keep) took a short vowel in the past tense and past participle (kept).
  • In some weak verbs ending in a final -t or -d, this final consonant coalesced (contracted) with the weak past ending to leave a single -t or -d in the past forms.
  • Some verbs ending in l or n had their past ending irregularly devoiced to -t, and in a few verbs ending with a v or z sound (leave, lose), both that sound and the past ending were devoiced. (The regular ending -ed is also devoiced after voiceless consonants in regular verbs, as described under, but this is not now shown in the spelling – for example, the -ed in blessed and whipped is pronounced as a t, and these words were formerly written blest and whipt. The spelling -t following a voiceless consonant is retained for verbs that display an irregularity, as in kept and cost.)
  • Some weak verbs continue the vowel shift called Rückumlaut ("reverse umlaut"); those with -gh- in the spelling were also affected by the Germanic spirant law.
  • A few weak verbs have undergone additional contractions or vowel shortenings in their past or present tense forms.
  • A few verbs are regular in their spoken forms, but have irregular spelling.

The irregular weak verbs (being in normal use) can consequently be grouped as follows:

For weak verbs that have adopted strong-type past tense or past participle forms, see the section above on strong verbs.

More information on the development of some of the listed verbs can be found at List of irregular verbs.

  • Verbs with vowel shortening: creep, flee, hear, keep, leap, shoe (when shod is used), sleep, sweep and weep. (Of these, creep, flee, leap, sleep and weep derive from verbs that were originally strong.)
  • Verbs with vowel shortening and devoicing of the ending: deal, dream, feel, kneel, lean, leave, lose (originally strong) and mean. Some of the verbs in this and in the preceding group have alternative regular forms, such as dreamed and leaped.
  • Verbs with coalescence of consonants: bet, bid, cast, cost, cut, fit, hit, hurt, knit, put, quit, rid, set, shed, shut, split, spread, thrust, wed and wet. Some of these verbs have alternative regular forms, such as wedded and wetted. (The verb hoist behaves similarly to verbs in this group, but this was originally itself a past form of the now obsolete verb hoise; similarly clad was originally – and sometimes still is – a past form of clothe.)
  • Verbs with coalescence of consonants and devoicing of the ending: bend, build, lend, rend, send, spend.
  • Verbs with coalescence of consonants and vowel shortening: bleed, breed, feed, lead, light, meet, read (past tense and past participle also spelt read, but pronounced with a short vowel), and speed.
  • Verbs with devoicing of the ending and no other irregularity: burn, dwell, learn, smell, spell, spill and spoil. Most of these have regular -ed forms as alternatives.
  • Verbs continuing the Rückumlaut pattern: bring–brought, buy–bought, seek–sought, sell–sold, teach–taught, tell–told, and think–thought. The borrowed verb catch (caught) has also fallen into this pattern as a result of analogy.
  • Verbs with additional contractions and shortenings: have–has–had, make–made, say–says–said (where says and said are pronounced with a short vowel ). (The verb do has a similar vowel shortening in does and done)
  • Verbs irregular only in spelling: lay–laid, pay–paid (although in the meaning "let out", of a rope etc., pay may have the regular spelling payed).

Anomalous Cases

The following verbs do not fit exactly into any of the above categories:

  • The modal verbs, which are defective verbs – they have only a present indicative form and (in some cases) a preterite, lacking nonfinite forms (infinitives, participles, gerunds), imperatives, and subjunctives (although some uses of the preterites are sometimes identified as subjunctives). Moreover, they do not add -s in the third person singular – this is because they derive either from preterites, or from Germanic preterite-present verbs, which were conjugated using the (strong-type) preterite form with present tense meaning. (Additional "true" preterites with past tense meaning were formed with the addition of dentals in the manner of the weak verbs.) The chief verbs of this class are can–could, may–might, shall–should, will–would, and must and ought (These last two have no preterites. They were originally preterites themselves). There are also dare and need, which follow the same pattern (no -s) in some contexts: "Dare he jump? She needn't worry" (dare derives from a preterite-present verb, but need is from an Old English regular verb).
  • Two verbs (be and go) that contain suppletive forms, i.e. one or more of their parts came from an entirely different root. With go this applies to the past tense went, which is originally from the verb wend. With be it applies to a number of different forms. Derived from be is the defective verb beware, which does not inflect in normal use and which appears only in those forms in which the plain form of be would be used, namely the infinitive, the imperative, and the subjunctive.
  • The verb do, which has the reduplicated form did for its past tense (an irregularity that can be traced back to Proto-Germanic). Its past participle done can be compared to typical strong participles in -[e]n; however both this and the third person present tense does feature a short vowel in modern pronunciation.

Verbs With Irregular Present Tenses

Apart from the modal verbs, which are irregular in that they do not take an -s in the third person, the only verbs with irregular present tense forms are be, do, have and say (and prefixed forms of these, such as undo and gainsay, which conjugate in the same way as the basic forms).

The verb be has multiple irregular forms. In the present indicative it has am in the first person singular, is in the third person singular, and are in the plural and second person singular. (Its present subjunctive is be, as in "I suggest that you be extremely careful", though that is not irregular, as all verbs use the infinitive/imperative form for the present subjunctive.) It also has two past tense forms: was for the first and third persons singular, and were for the plural and second person singular (although there are certain subjunctive uses in which were can substitute for was). The past participle is been, and the present participle and gerund forms are regular: being.

As mentioned above, apart from its other irregularities, the verb do has the third person present indicative does pronounced with a short vowel.

The verb have has a contracted third person present indicative form: has. This is formed similarly to the verb's past tense had.

The verb say displays vowel shortening in the third person present indicative (although the spelling is regular): says . The same shortening occurs in the past form said . (Compare the diphthong in the plain form say .)

Coincident Forms

In regular English verbs, the past tense and past participle have the same form. This is also true of most irregular verbs that follow a variation of the weak conjugation, as can be seen in the list below. Differences between the past tense and past participle (as in sing–sang–sung, rise–rose–risen) generally appear in the case of verbs that continue the strong conjugation, or in a few cases weak verbs that have acquired strong-type forms by analogy—as with show (regular past tense showed, strong-type past participle shown). However, even some strong verbs have identical past tense and participle, as in cling–clung–clung.

In some verbs, the past tense, past participle, or both are identical in form to the basic (infinitive) form of the verb. This is the case with certain strong verbs, where historical sound changes have led to a leveling of the vowel modifications: for example, let has both past tense and past participle identical to the infinitive, while come has the past participle identical (but a different past tense, came). The same is true of the verbs listed above under as having undergone coalescence of final consonants (and without other irregularities such as vowel shortening or devoicing of the ending): bet, bid, etc. (these verbs have infinitive, past tense and past participle all identical, although some of them also have alternative regular forms in -ed). The verb read has the same spelling in all three forms, but not the same pronunciation, as it exhibits vowel shortening.

In a few cases the past tense of an irregular verb has the same form as the infinitive of a different verb. For example, bore and found may be past tenses of bear and find, but may also represent independent (regular) verbs of different meaning. Another example is lay, which may be the past tense of lie, but is also an independent verb (regular in pronunciation, but with irregular spelling: lay–laid–laid). In fact lay derives from a causative of the verb from which lie derives. The two verbs are sometimes confused, with lay used in the intransitive senses prescriptively reserved for lie.

Prefixed Verbs

Nearly all of the basic irregular verbs are single-syllable words. (Their irregular inflected forms are normally single-syllable also, except for the past participles in -en like chosen and risen.) However many additional irregular verbs are formed by adding prefixes to the basic ones: understand from stand, become from come, mistake from take, and so on. (These prefixed forms are generally omitted from the list below, but a large number appear in the table at List of English irregular verbs.) As a general rule, prefixed verbs are conjugated identically to the corresponding basic verbs; for example, we have understand–understood–understood and become–became–become, following the patterns of stand–stood–stood and come–came–come. However, there are occasional differences: in British English, for instance, the past participle of get is got, while that of forget is forgotten.

Only a few irregular verbs of more than one syllable cannot be analyzed as prefixed compounds of monosyllables. The only ones in normal use are begin–began–begun and forsake–forsook–forsaken (these both derive from prefixed verbs whose unprefixed forms have not survived into Modern English). There is also beseech–besought–besought (this is from Old English besēcan "to seek or inquire about", making it equivalent to be- + seek, but it has moved away from seek in both form and meaning); however the form besought is now archaic, the verb normally being conjugated regularly (beseeched).

List

The following is a list of 204 irregular verbs that are commonly used in standard modern English. It omits many rare, dialectal, and archaic forms, as well as most verbs formed by adding prefixes to basic verbs (unbend, understand, mistake, etc.).

It also omits past participle forms that remain in use only adjectivally (clad, sodden, etc.).

The list that follows shows the base, or infinitive form, the past tense and the past participle of the verb.

  • a- : for abide, arise, awake, see bide, rise, wake
  • be (am, is, are) – was, werebeen
  • be- : for become, befall, beset, etc. see come, fall, set, etc.
  • bearboreborne spelt born in passive and adjectival uses relating to birth
  • beatbeatbeaten
  • begetbegotbegot(ten) [Biblical past tense: begat]
  • beginbeganbegun
  • bendbentbent
  • betbetbet [past tense and participle also sometimes betted]
  • beware – defective verb [see anomalous cases above]
  • bidbidbid [as in an auction]
  • bidbade/bidbidden/bid [meaning "request"]
  • bidebided/bodebided/bidden [but abide mostly uses the regular forms only]
  • bindbound – bound
  • bitebitbitten
  • bleedbledbled
  • blowblewblown
  • breakbrokebroken
  • breedbredbred
  • bringbroughtbrought
  • buildbuiltbuilt
  • burnburnt/burnedburnt/burned
  • burstburstburst
  • buyboughtbought
  • cancould [defective; see anomalous cases above]
  • castcastcast [prefixed forms broadcast, forecast, etc. sometimes take -ed ]
  • catchcaughtcaught
  • choosechosechosen
  • cladclad/claddedclad/cladded [clad is also sometimes used as past form of clothe]
  • cleaveclove/cleftcloven/cleft [but regular when meaning "adhere"]
  • clingclungclung
  • comecamecome
  • cost – cost – cost [but regular when meaning "calculate the cost of"]
  • creepcrept/creepedcrept/creeped
  • crowcrowed/crewcrowed [crew normally used only of a cock's crowing]
  • cutcutcut
  • dare – regular except for possible third person singular present dare (see anomalous cases above)
  • dealdealtdealt
  • digdugdug
  • divedived/dovedived [the form dove is chiefly American]
  • do (does ) – diddone
  • drag – *dragged/drug – *dragged/drug* [the form drug is chiefly dialectal]
  • drawdrewdrawn
  • dreamdreamed/dreamtdreamed/dreamt
  • drinkdrankdrunk
  • drivedrovedriven
  • dwelldwelt/dwelleddwelt/dwelled
  • eatateeaten
  • fallfellfallen
  • feedfedfed
  • feelfeltfelt
  • fightfoughtfought
  • findfoundfound
  • fitfit/fittedfit/fitted
  • fleefledfled
  • flingflungflung
  • flyflewflown [the form flied is common in the baseball sense]
  • for(e)- : for forgo, foresee, etc. see go, see, etc.
  • forbidforbade/forbidforbidden
  • forgetforgotforgotten
  • forsakeforsookforsaken
  • freezefrozefrozen
  • getgotgotten/got* past participle got in British English, gotten in American, but see *have got*
  • gildgilded/giltgilded/gilt
  • givegavegiven
  • go) – wentgone see also [have been]
  • grindgroundground
  • growgrewgrown
  • hang – *hung/hanged – *hung/hanged* the form hanged is more common in the sense of [execution by hanging]
  • have (has) – hadhad
  • hearheardheard
  • hewhewedhewn/hewed
  • hidehidhidden
  • hithithit
  • hoisthoist/hoistedhoist/hoisted
  • holdheldheld
  • hurthurthurt
  • in- : for inlay, input, etc. see lay, put, etc.
  • inter- : for interlay, interweave, etc. see lay, weave, etc.
  • keepkept – kept
  • kneelknelt/kneeledknelt/kneeled
  • knitknit/knittedknit/knitted
  • knowknewknown
  • laylaidlaid
  • leadledled
  • leanleaned/leantleaned/leant
  • leapleaped/leaptleaped/leapt
  • learnlearned/learntlearned/learnt
  • leaveleftleft
  • lendlentlent
  • letletlet
  • lielaylain [but regular when meaning "tell an untruth"]
  • lightlit/lighted – lit/lighted
  • loselostlost
  • makemademade
  • maymight [defective; see anomalous cases above]
  • meanmeantmeant
  • meetmetmet
  • mis- : for misspeak, mistake, etc. see speak, take, etc.
  • mowmowedmowed/mown
  • must – defective [see anomalous cases above]
  • need – regular except for possible third person singular present need (see anomalous cases above)
  • off- : for offset see set, etc.
  • ought – defective [see anomalous cases above]
  • out- : for outbid, output, etc. see bid, put, etc.
  • over- : for overbid, overdo, etc. see bid, do, etc.
  • paypaidpaid [but sometimes spelt regularly when meaning "let out" (rope etc.)]
  • pleadpleaded/pledpleaded/pled
  • pre- : for prepay, preset, etc. see pay, set, etc.
  • proveprovedproved/proven
  • putputput
  • quitquitquit
  • re- : for redo, remake, etc. see do, make, etc.
  • readreadread
  • rendrentrent
  • ridrid/riddedrid/ridded/ridden
  • rideroderidden
  • ringrangrung
  • riseroserisen
  • runranrun
  • sawsawedsawn/sawed
  • say (says ) – saidsaid
  • seesawseen
  • seeksoughtsought
  • sellsoldsold
  • sendsentsent
  • setsetset
  • sewsewedsewn/sewed
  • shakeshookshaken
  • shallshould [defective; see anomalous cases above]
  • shearsheared/shoreshorn/sheared
  • shedshedshed
  • shineshone/shinedshone/shined
  • shitshat/shit/shittedshat/shit/shitted
  • shoeshoed/shodshoed/shod
  • shootshotshot
  • showshowedshown/showed
  • shrink – *shrank/shrunk – *shrunk*
  • shriveshroveshriven
  • shutshutshut
  • singsangsung
  • sinksanksunk
  • sitsatsat
  • slayslew/slayedslain/slayed
  • sleepsleptslept
  • slideslidslid
  • slingslungslung
  • slinkslunkslunk
  • slitslitslit
  • smellsmelled/smeltsmelled/smelt
  • smitesmotesmitten
  • sneak – *sneaked/snuck – *sneaked/snuck* [snuck is chiefly American, is regarded as informal and is only cited from 1887 ]
  • sowsowedsown/sowed
  • speakspokespoken
  • speedsped/speededsped/speeded
  • spellspelled/speltspelled/spelt
  • spendspentspent
  • spillspilled/spiltspilled/spilt
  • spinspun – spun
  • spitspat/spit* – *spat/spit* [the form spit rather than spat is common in America]
  • splitsplitsplit
  • spoilspoiled/spoiltspoiled/spoilt
  • spreadspreadspread
  • spring – *sprang/sprung – *sprung*
  • standstoodstood
  • stavestaved/stovestaved/stove
  • stealstolestolen
  • stickstuckstuck
  • stingstungstung
  • stinkstankstunk
  • strewstrewedstrewn/strewed
  • stridestrodestridden/strode
  • strikestruckstruck/stricken
  • stringstrungstrung
  • strivestrove/strivedstriven/strived
  • swearsworesworn
  • sweatsweated/sweatsweated/sweat
  • sweepsweptswept
  • swellswelledswollen/swelled
  • swimswamswum
  • swingswungswung
  • taketooktaken
  • teachtaughttaught
  • teartoretorn
  • telltoldtold
  • thinkthoughtthought
  • thrive - thrived/throve - thrived/thriven
  • throwthrewthrown
  • thrustthrust/thrustedthrust/thrusted
  • treadtrodtrodden/trod
  • un- : for unbend, unweave, etc. see bend, weave, etc.
  • under- : for underlie, undergo, understand, etc. see lie, go, stand, etc.
  • up- : for upset see set, etc.
  • wakewokewoken
  • wearworeworn
  • weavewovewoven
  • wedwed/wedded – wed/wedded
  • weepweptwept
  • wetwet/wettedwet/wetted
  • willwould [defective; see anomalous cases above]
  • winwonwon
  • windwoundwound [but regular in the meanings connected with air and breath]
  • with- : for withdraw, withhold, withstand, see draw, hold, stand
  • wring – *wrang/wrung – *wrung*
  • writewrotewritten

Participle

Participles are verb forms that do double duty — they help build tenses and voices, but they also work as adjectives and adverbs. Understanding both types of participles is essential for forming correct verb tenses, using the passive voice, and writing more sophisticated sentences.

The Two Participles

English has two participles:

  1. Present participle — formed by adding -ing to the base verb: doing, running, sleeping. It's identical in form to the gerund, but serves a different function (more on that below).
  2. Past participle — for regular verbs, it's the -ed form (walked, boiled). For irregular verbs, it varies widely: done, written, sung, gone.

How the Present Participle Is Used

  • Progressive tenses: She is reading a book.
  • As an adjective: The woman sitting by the window is my boss.
  • As an adverb: Looking up from his phone, he noticed the bus had arrived.
  • In absolute constructions (with its own subject): The weather being terrible, we cancelled the trip.

Present participles used as adjectives carry an active meaning — an exciting movie is one that excites you.

How the Past Participle Is Used

  • Perfect tenses: They have finished the project.
  • Passive voice: The email was sent this morning.
  • As an adjective: The broken window needs replacing.
  • Adverbially: Exhausted from the hike, we fell asleep immediately.

Past participles used as adjectives usually carry a passive meaning — the attached file is one that has been attached. However, past participles of intransitive verbs can have active meaning: fallen leaves (leaves that have fallen).

Participle vs. Gerund

Both the present participle and the gerund end in -ing, but they do different jobs. The participle acts as an adjective or adverb; the gerund acts as a noun.

  • Swimming in the lake, she felt completely free. (participle — describes she)
  • Swimming is her favourite hobby. (gerund — subject of the sentence)

The famous example Flying planes can be dangerous is ambiguous: flying could be a gerund ("the activity of flying planes") or a participle ("planes that fly").

Self-check: If you can replace the -ing word with a noun like "it" or "the activity," it's a gerund. If it describes a noun or tells you more about an action, it's a participle.

Watch Out: Past Tense vs. Past Participle

For regular verbs, the past tense and past participle look the same (walked, played). For many irregular verbs, they differ:

  • ✅ I went home early. (past tense)
  • ✅ I have gone home early. (past participle)
  • ❌ I should have went home early.

If you're unsure, check whether the verb follows a helping word like have, has, or had — if it does, you need the past participle form.

Ready to practise? Try Gerund vs. Participle: Understanding -ing Word Functions, Participle Clauses: Shortening Sentences with -ing and Having + Past Participle, or Participle vs Gerund.

Simple Past

The simple past, past simple or past indefinite, sometimes called the preterite, is the basic form of the past tense in Modern English. It is used principally to describe events in the past, although it also has some other uses. Regular English verbs form the simple past in -ed; however there are a few hundred irregular verbs with different forms.

The term "simple" is used to distinguish the syntactical construction whose basic form uses the plain past tense alone, from other past tense constructions which use auxiliaries in combination with participles, such as the past perfect and past progressive.

Formation

Regular verbs form the simple past end*-ed*; however there are a few hundred irregular verbs with different forms. For details see.

Most verbs have a single form of the simple past, independent of the person or number of the subject (there is no addition of -s for the third person singular as in the simple present).

However, the copula verb be has two past tense forms: was for the first and third persons singular, and were in other instances.

The form were can also be used in place of was in conditional clauses and the like; for information on this, see subjunctive.

This is the only case in modern English where a distinction in form is made between the indicative and subjunctive moods in the past tense.

Questions, other clauses requiring inversion, negations with not, and emphatic forms of the simple past use the auxiliary did.

A full list of forms is given below, using the (regular) verb help as an example:

  • Basic simple past:
    • I/you/he/she/it/we/they helped
  • Expanded (emphatic) simple past:
    • I/you/he/she/it/we/they did help
  • Question form:
    • Did I/you/he/she/it/we/they help?
  • Negative:
    • I/you/he/she/it/we/they did not (didn't) help
  • Negative question:
    • Did I/you/he/she/it/we/they not help? / Didn't I/you/he/she/it/we/they help?

Usage

The simple past is used for a single event (or sequence of such events) in the past, and also for past habitual action:

  • He took the money and ran.
  • I visited them every day for a year.

It can also refer to a past state:

  • I knew how to fight even as a child.

For action that was ongoing at the time referred to, the past progressive is generally used instead (e.g. I was cooking). The same can apply to states, if temporary (e.g. the ball was lying on the sidewalk), but some stative verbs do not generally use the progressive aspect at all, and in these cases the simple past is used even for a temporary state:

  • The dog was in its kennel.

However, with verbs of sensing, it is common in such circumstances to use could see in place of saw, could hear in place of heard, etc.

  • I felt cold.

If one action interrupts another, then it is usual for the interrupted (ongoing) action to be expressed with the past progressive, and the action that interrupted it to be in the simple past:

  • Your mother called while you were cooking.

The simple past is often close in meaning to the present perfect.

The simple past is used when the event happened at a particular time in the past, or during a period which ended in the past (i.e. a period that does not last up until the present time).

This time frame may be explicitly stated, or implicit in the context (for example the past tense is often used when describing a sequence of past events).

  • I was born in 1980.
  • We turned the oven off two minutes ago.
  • I came home at 6 o'clock.
  • When did they get married?
  • We wrote two letters this morning.
  • She placed the letter on the table, sighed, and left the house.Contrast these examples with those given at.

Note also that for past actions that occurred before the relevant past time frame, the past perfect is used.

Various compound constructions exist for denoting past habitual action.

The sentence When I was young, I played football every Saturday might alternatively be phrased using used to (... I used to play ...) or using would (... I would play...).

The simple past also has some uses in which it does not refer to a past time.

  • If he walked faster, he would get home earlier.
  • I wish I knew what his name was.

These are generally in condition clauses and some other dependent clauses referring to hypothetical circumstances, as well as certain expressions of wish:

  • He said he wanted to go on the slide.

Past Progressive

The past progressive or past continuous construction combines progressive aspect with past tense, and is formed using the past tense of be (was or were) with the present participle of the main verb.

It indicates an action that was ongoing at the past time being considered:

  • At three o'clock yesterday, I was working in the garden. For stative verbs that do not use the progressive aspect, the simple past is used instead (At three o'clock yesterday we were in the garden).

The past progressive is often used to denote an action that was interrupted by an event, or for two actions taking place in parallel:

  • While I was washing the dishes, I heard a loud noise.
  • While you were washing the dishes, Sue was walking the dog.(Interrupted actions in the past can also sometimes be denoted using the past perfect progressive.)

The past progressive can also be used to refer to past action that occurred over a range of time and is viewed as an ongoing situation:

  • I was working in the garden all day yesterday. That could also be expressed using the simple past, as I worked..., which implies that the action is viewed as a unitary event (although the effective meaning is not very different).

Past Perfect

The past perfect, sometimes called the pluperfect, combines past tense with perfect aspect; it is formed by combining had (the past tense of the auxiliary have) with the past participle of the main verb.

It is used when referring to an event that took place prior to the time frame being considered.

This time frame may be stated explicitly, as a stated time or the time of another past action:

  • We had finished the job by 2 o'clock.
  • He had already left when we arrived.

The time frame may also be understood implicitly from the previous or later context:

  • I was eating ... I had invited Jim to the meal but he was unable to attend. (i.e. I invited him before I started eating)
  • I had lost my way. (i.e. this happened prior to the time of the past events I am describing or am about to describe)

Compare He had left when we arrived (where his leaving preceded our arrival), with the form with the simple past, He left when we arrived (where his leaving was concurrent with or shortly after our arrival).

Note that unlike the present perfect, the past perfect can readily be used with an adverb specifying a past time frame for the occurrence.

For example, while it is incorrect to say I have done it last Friday (the use of last Friday, specifying the past time, would require the simple past rather than the present perfect), there is no such objection to a sentence like "I had done it the previous Friday".

The past perfect can also be used for states or repeated occurrences pertaining over a period up to a time in the past, particularly in stating "for how long" or since when". However, if the state is temporary and the verb can be used in the progressive aspect, the past perfect progressive would normally be used instead. Some examples with the plain past perfect:

  • I had lived in that house for 10 years.
  • The children had been in their room since lunchtime.

Past Perfect Progressive

The past perfect progressive or past perfect continuous (also known as the pluperfect progressive or pluperfect continuous) combines perfect progressive aspect with past tense.

It is formed by combining had (the past tense of auxiliary have), been (the past participle of be), and the present participle of the main verb.

Uses of the past perfect progressive are analogous to those of the present perfect progressive, except that the point of reference is in the past.

For example:

  • I was tired because I had been running.
  • By yesterday morning they had already been working for twelve hours.
  • Among the witnesses was John Smith, who had been staying at the hotel since July 10.

This form is sometimes used for actions in the past that were interrupted by some event (compare the use of the past progressive as given above).

For example:

  • I had been working on my novel when she entered the room to talk to me.

This implies that I stopped working when she came in (or had already stopped a short time before); the plain past progressive (I was working...) would not necessarily carry this implication.

If the verb in question does not use the progressive aspect, then the plain past perfect is used instead.

The past perfect progressive may also have additional specific uses similar to those of the plain past perfect.

Transitive Verb

A transitive verb is a verb that requires one or more objects. This contrasts with intransitive verbs, which do not have objects. Transitivity is traditionally thought a global property of a clause, by which activity is transferred from an agent to a patient.

A verb that is followed by an object is called a transitive verb. Transitive verbs can be classified by the number of objects they require. Verbs that require only two arguments, a subject and a single direct object, are monotransitive. Verbs that require two objects, a direct object and an indirect object, are ditransitive, or less commonly bitransitive. An example of a ditransitive verb in English is the verb to give, which may feature a subject, an indirect object, and a direct object: John gave Mary the book. Verbs that take three objects are tritransitive. In English a tritransitive verb features an indirect object, a direct object, and a prepositional phrase – as in I'll trade you this bicycle for your binoculars – or else a clause that behaves like an argument – as in I bet you a pound that he has forgotten. Not all descriptive grammars recognize tritransitive verbs.

In contrast to transitive verbs, some verbs take zero objects. Verbs that do not require an object are called intransitive verbs. An example in English is the verb to swim.

Verbs that can be used in an intransitive or transitive way are called ambitransitive verbs. In English, an example is the verb to eat; the sentences You eat (with an intransitive form) and You eat apples (a transitive form that has apples as the object) are both grammatical.

The concept of valency is related to transitivity. The valency of a verb considers all the arguments the verb takes, including both the subject and all of the objects. In contrast to valency, the transitivity of a verb only considers the objects. Subcategorization is roughly synonymous with valency, though they come from different theoretical traditions.

Traditionally, transitivity patterns are thought of as lexical information of the verb, but recent research in construction grammar and related theories has argued that transitivity is a grammatical rather than a lexical property, since the same verb very often appears with different transitivity in different contexts.

Consider:

  • Does your dog bite? (no object)
  • The cat bit him. (one object)
  • Can you bite me off a piece of banana? (two objects)
  • The vase broke. (no object; anticausative construction)
  • She broke the toothpick. (one object)
  • Can you break me some toothpicks for my model castle? (two objects)
  • Stop me before I buy again. (no object; antipassive construction)
  • The man bought a ring. (one object)
  • The man bought his wife a ring. (two objects)

In grammatical construction theories, transitivity is considered as an element of grammatical construction, rather than an inherent part of verbs.

Examples

The following sentences exemplify transitive verbs in English.

  • We're gonna need a bigger boat.
  • You need to fill in this form.
  • Hang on, I'll have it ready in a minute.
  • The professor took off his spectacles.

Intransitive Verb

In grammar, an intransitive verb does not allow a direct object. This is distinct from a transitive verb, which takes one or more objects. The verb property is called transitivity. Intransitive verbs can often be identified as those which can't be followed by a "who" or a "what".

Examples

In the following sentences, verbs are used without a direct object:

  • "Rivers flow."
  • "I sneezed."
  • "My dog ran."
  • "Water evaporates when it's hot."
  • "You've grown since I last saw you!"
  • "I wonder how old I will be when I die."

The following sentences contain transitive verbs (they take one or more objects):

  • "We watched a movie last night."
  • "She's eating popcorn."
  • "When I said that, my sister smacked me."
  • "Santa gave me a present."
  • "He continuously clicked his pen and it was incredibly annoying to me."

Some verbs allow for objects but do not always require one. Such a verb may be used as intransitive in one sentence, and as transitive in another:

IntransitiveTransitive
"It is raining.""It is raining cats and dogs."
"When he finished the race, he barfed.""When he finished the race, he barfed up his lunch."
"Water evaporates when it's hot.""Heat evaporates water."
"He's been singing all day.""He's been singing barbershop all day."
"You've grown since I last saw you.""You've grown a beard since I last saw you!"

In general, intransitive verbs often involve weather terms, involuntary processes, states, bodily functions, motion, action processes, cognition, sensation, and emotion.

Valency-changing Operations

The valency of a verb is related to transitivity. Where the transitivity of a verb only considers the objects, the valency of a verb considers all the arguments the verb takes, including both the subject of the verb and all of the objects.

It is possible to change the transitivity of a verb, and in so doing to change the valency.

In languages that have a passive voice, a transitive verb in the active voice becomes intransitive in the passive voice.

In this sentence, hugged is a transitive verb taking Mary as its object. The sentence can be made passive with the direct object Mary as the grammatical subject as follows:

This shift is called promotion of the object.

The passive-voice construction cannot take an object. The passivized sentence could be continued with the agent:

It cannot be continued with a direct object to be taken by was hugged. For example, it would be ungrammatical to write Mary was hugged her daughter in order to show that Mary and her daughter shared a hug.

Intransitive verbs can be made passive in some languages. In English, intransitive verbs can be used in the passive voice when a prepositional phrase is included, as in, The houses were lived in by millions of people.

In the context of a nominative–accusative language like English, this promotion is nonsensical because intransitive verbs don't take objects, they take subjects, and so the subject of a transitive verb (I in I hug him) is also the subject of the intransitive passive construction (I was hugged by him).

Verb

A verb is a word that expresses an action, a state, or an occurrence — and it's the engine of every English sentence. Understanding how verbs work is foundational to everything else in English grammar, from forming questions to building complex sentences.

Verb Forms

Most English verbs have five inflected forms:

  • Base form (go, write, climb) — used as an infinitive, imperative, present subjunctive, and present indicative in all persons except third-person singular.
  • -s form (goes, writes, climbs) — used for the present tense, third-person singular (she writes).
  • Past tense (went, wrote, climbed) — also called the preterite.
  • Past participle (gone, written, climbed) — identical to the past tense for regular verbs, but often different for irregular verbs.
  • -ing form (going, writing, climbing) — serves as the present participle and gerund.

The verb be is a special case with more forms than any other English verb (am, is, are, was, were, been, being). Modal verbs like can, must, and should have fewer forms than typical verbs.

Main Verbs and Auxiliaries

Verbs in English often appear in combinations: one or more auxiliary verbs paired with a main verb.

  • The dog was barking very loudly.
  • My hat has been cleaned.
  • Jane does not really like us.

The first verb in the combination is the finite verb (it carries tense and agrees with the subject). The rest are nonfinite (infinitives or participles). Notice that these verbs don't always sit next to each other — as in does not really like.

Tense, Aspect, and Mood

English expresses tense (time reference), aspect (how an action unfolds over time), and mood (the speaker's attitude toward the action) mostly through verb combinations rather than word endings. That's why you'll encounter labels like "present progressive" or "conditional perfect" — these are specific tense–aspect–mood combinations built with auxiliaries.

Self-check: If you can change the time of a sentence by swapping one word (She runs → She ran), that word is the verb.

Keep Practising

To build your verb skills from the ground up, try these challenges: Basics. "To be" in Present Tense, Basics. Common Uses of Auxiliary Verbs, and Transitive and Intransitive Verbs.

Progressive

The progressive or continuous aspect is used to denote a temporary action or state that began at a previous time and continues into the present time (or other time of reference). It is expressed using a form of the auxiliary verb to be (conjugated appropriately for tense etc.) together with the present participle (-ing form) of the main verb: I am reading; Were you shouting?; He will be sitting over there.

Certain stative verbs make limited use of progressive aspect. Their nonprogressive forms (simple or nonprogressive perfect constructions) are used in many situations even when expressing a temporary state.

The main types are described below.

  • The copular verb to be does not normally use progressive forms (I am happy, not I am being happy). However its progressive aspect is used in appropriate situations when the verb expresses the passive voice (We are being followed), and when it has the meaning of "behave" or "act as" (You are being very naughty; He's being a pest).
  • The verb to have does not use progressive forms when it expresses possession), broadly understood (I have a brother, not I'm having a brother), but it does use them in its active meanings (I'm having a party; She's having a baby; He was having a problem starting his car). Other verbs expressing a state of possession or similar, such as possess, own, belong and owe, also do not normally use progressive forms.
  • Verbs of mental state, sense perception and similar (know, believe, want, think, see, hear, need, etc.) are generally used without progressive aspect, although some of them can be used in the progressive to imply an ongoing, often temporary situation (I am feeling lonely), or an activity (I am thinking about a problem).
  • Verbs denoting positional state normally do use the progressive if the state is temporary: He is standing in the corner. (Compare permanent state: London stands on the banks of the Thames.)

Perfect Progressive

The perfect and progressive (continuous) aspects can be combined, usually in referring to the completed portion of a continuing action or temporary state: I have been working for eight hours. Here a form of the verb have (denoting the perfect) is used together with been (the past participle of be, denoting the progressive) and the present participle of the main verb.

In the case of the stative verbs, which do not use progressive aspect, the plain perfect form is normally used in place of the perfect progressive: I've been here for half an hour (not I've been being here...).

B2 | Upper Intermediate

B2, or Upper Intermediate, is the fourth level on the CEFR scale. It marks the point where you move from "getting by" to genuinely comfortable communication — handling complex topics, expressing nuanced opinions, and understanding most of what you read or hear in real-world contexts.

What a B2 user can do

At this level, you're expected to:

  • Understand complex texts on both concrete and abstract topics, including technical discussions in your own field.
  • Follow extended speech and lectures, even when the structure isn't entirely clear, as long as the topic is reasonably familiar.
  • Interact fluently and spontaneously enough that conversations with native speakers flow naturally — without strain on either side.
  • Produce clear, detailed text on a wide range of subjects, using connectors and cohesive devices to build well-structured arguments.
  • Explain and defend a viewpoint on a topical issue, weighing the advantages and disadvantages of different options.
  • Recognize implicit meaning — reading between the lines in demanding, longer texts.

What B2 grammar looks like in practice

B2 is where grammar stops being about isolated rules and starts being about flexibility and precision. You're expected to control structures like:

  • Advanced conditionals and mixed conditionals — moving beyond simple if-clauses to express hypothetical and counterfactual meaning.
  • Passive voice in varied tenses and contexts, not just present and past simple.
  • Reported speech with correct sequence of tenses, including backshifting and reporting verbs.
  • Participle clauses and the distinction between participles and gerunds.
  • Comparative and superlative structures beyond basic -er/-est, including double comparatives and qualifying expressions.

Errors still happen at B2, but they rarely cause misunderstanding. The goal is controlled, flexible use of language across social, academic, and professional settings.

How B2 fits in the CEFR progression

B2 builds directly on the foundations of B1 (Intermediate) and prepares you for C1 (Advanced). Many university entrance exams, professional certifications, and immigration requirements target B2 as the minimum standard.

Self-check: If you can read a newspaper editorial, follow most of a TED talk without subtitles, and write a clear essay arguing a position — you're likely operating at B2.

Ready to test yourself? Try Is your English level B2/Upper Intermediate? or practise specific B2 grammar with challenges like Basics. Advanced Conditionals And "wish", Basics. Passive Voice, and Sequence of Tenses in Indirect Speech.

Difficulty: Medium

Medium difficulty. Difficulty levels represent author's opinion about how hard a question or challenge is.