Ever wondered why "the file is scheduled to be deleted" sounds perfectly fine, but "the file was attempted to be deleted" is grammatically wrong? Test your advanced grammar skills on acceptable double passives, reporting verbs for rumors, and verbs that reject passive infinitives.

See a quick refresher inside!

Why repeat yourself when you can drop words to create elegant, concise sentences? Test your advanced grammar skills on gapping, verb phrase (VP) ellipsis, and right node raising across 10 challenging questions.

See a quick refresher inside!

Do you know why we say Never have I seen... instead of I have never seen...? Learn how to add dramatic flair to your English by mastering negative adverbial inversion, locative fronting, and inverted conditionals.

See a quick refresher inside!

Do you know how to express an unfulfilled plan from the past or calculate exact durations leading up to a future deadline? Test your advanced grammar skills by mastering the future perfect continuous, future in the past, and nuanced expectation phrases like bound to and on the verge of.

See a quick refresher inside!

Can you spot a hypothetical situation when the word "if" is nowhere to be found? Navigate 10 tricky scenarios by identifying implied conditionals hidden within phrases like but for, otherwise, given, and implied subjects.

See a quick refresher inside!

Do you know how to drop the "if" to make your English sound more formal and dramatic? Master the art of inversion by testing your knowledge of first conditionals with should, second conditionals with were, third conditionals with had, and complex mixed conditionals.

See a quick refresher inside!

Do you know whether to write "It is I who is" or "It is I who am"? Test your advanced syntax skills by mastering pronoun and verb agreement, emphasizing prepositional phrases, and structuring complex adverbial and negative time clauses.

See a quick refresher inside!

Are you confused about when to use "needn't have done" instead of "didn't need to do"? Master the trickiest rules of English verbs by testing yourself on marginal modals, past regrets with ought to, and the modal forms of dare and need.

See a quick refresher inside!

Do you know the difference between an action that shouldn't have been done and one that needn't have been done? Put your advanced grammar skills to the test with continuous deductions, passive obligations, and unnecessary past actions.

See a quick refresher inside!

Can you clearly explain a chaotic sequence of past events without losing your listener? Put your storytelling skills to the test by mastering the Past Simple, Past Continuous, Past Perfect, and Past Perfect Continuous tenses in dramatic, real-world contexts.

See a quick refresher inside!

Do you know how to accurately report tricky statements like "What shall I do?" or "You mustn't enter"? Shifting modal verbs into reported speech requires much more than just a simple tense backshift. Test your advanced grammar skills on reporting shall for advice, must for prohibitions and obligations, and past modal deductions like must have and might have.

See a quick refresher inside!

Do you still use question word order when reporting what someone asked? Test your advanced grammar skills on reported wh- questions, yes/no questions, and infinitive commands in this 10-question challenge.

See a quick refresher inside!

When do you stop whisking? Until your arm goes numb, obviously. Master the timing of events by choosing the right time conjunctions, applying correct verb tenses in future time clauses, and sequencing past events properly.

See a quick refresher inside!

Ever tried to tell a thrilling story but completely jumbled the timeline of events? Master your storytelling by testing your knowledge of interrupted actions, simultaneous events, and logical sequencing using when, while, before, and after.

See a quick refresher inside!

Do you know why we say "I don't know" but "I haven't seen it"? Test your ability to choose the correct negative contractions for the verbs be, do, and have in everyday situations.

See a quick refresher inside!

Who stole the diamond, or rather, when was it stolen? Master how to shift the focus of your sentences by practicing the present simple passive, past simple passive, and past continuous passive across 12 engaging scenarios.

See a quick refresher inside!

Do you know the difference between waking up and getting up? Master the vocabulary of everyday life by testing your knowledge of morning routines, household chores, operating electronics, and running errands.

See a quick refresher inside!

Test your Basics: Present Perfect - How Long Have You...? skills with 11 questions at easy level.

Have you ever wondered how to talk about your past experiences without saying exactly when they happened? Master the basics of the present perfect tense by practicing subject-verb agreement, irregular past participles, and interrogative forms across everyday scenarios like travel, food, and chores.

See a quick refresher inside!

Test your Basics: Present Perfect vs. Past Simple skills with 12 questions at easy level.

Do you know why we say she asked where I went instead of she asked where did I go? Master the tricky word order of reported Wh- and Yes/No questions, and learn how to properly format positive and negative reported commands.

See a quick refresher inside!

Do you know how to correctly report someone saying "I will do it tomorrow"? Test your ability to apply tense backshifting, change time and place markers, and choose correctly between said and told.

See a quick refresher inside!

Do you know when to say "I am still waiting" versus "I haven't left yet"? Test your ability to express time and expectations by mastering ongoing situations, early completions, and unmet expectations across 10 engaging questions.

See a quick refresher inside!

Test your from/to/until/since/for Time Prepositions skills with 10 questions at easy level.

Verb forms show tense, voice, mood, or other grammatical features, with regular and irregular verbs. Regular verbs follow a pattern by adding -ed for past simple and past participle forms. Irregular verbs have unique forms, including essential auxiliary verbs "be," "have," and "do." Examples of common irregular verbs are "go," "write," "sing," and "swim."

See a quick verb forms refresher inside!

The Future Simple, Future Continuous, and Future Perfect tenses express actions or events in the future. Future simple describes an action's occurrence, future continuous highlights its ongoing nature, and future perfect emphasizes its completion by a specific time. These tenses are formed using different auxiliary verbs: "will/shall" for future simple, "will be/shall be" for future continuous, and "will have/shall have" for future perfect. Negative sentences and questions involve placing "not" after the auxiliary or inverting the auxiliary and subject, respectively.

See a quick Future Simple, Future Continuous, and Future Perfect usage rules refresher inside!

Reported speech, or indirect speech, is used to convey what someone else said without directly quoting their exact words. It often involves changing tenses, pronouns, and contextual details to create a more natural and conversational narrative. Mastering reported speech requires understanding the main tense changes and practicing with various examples to ensure the original meaning is accurately conveyed.

See a quick reported speech usage refresher inside!

Any idea what Present Perfect is? The Present Perfect tense describes actions with a connection to the present, formed using "have" or "has" and the past participle of the main verb. It differs from Past Simple and Present Simple tenses. To identify Present Perfect, look for "have" or "has" followed by a past participle. Negative sentences add "not" after the auxiliary verb, and questions invert the subject and auxiliary verb.

See a quick Present Perfect usage refresher inside!

The Passive Voice emphasizes the action or receiver, using the verb to be and the past participle of the main verb. It can be formed in different tenses, including continuous and perfect. Negative sentences add not after the verb to be, while questions invert the subject and the verb to be.

See a quick Passive Voice usage refresher inside!

Would you know what to say if you won the lottery, or how to express regret over a hilariously botched bank robbery? Master the rules for the zero, first, second, and third conditionals across 13 engaging hypothetical scenarios.

See a quick refresher inside!

Have you ever caught yourself saying "I am knowing" instead of "I know," or asking for "an advice"? Polish your everyday English by testing yourself on stative verbs, tricky subject-verb agreement, uncountable nouns, and past tense rules.

See a quick refresher inside!

By the time you finish this challenge, will you have been practicing grammar for hours? Test your ability to express ongoing future duration by mastering the future perfect continuous tense, identifying stative verb exceptions, and distinguishing it from other future tenses.

See a quick refresher inside!

Will you have mastered this grammar topic by the time you finish this quiz? Test your ability to use will have + past participle alongside time expressions like by the time and before to describe completed future actions.

See a quick refresher inside!

Do you know why we say "I would rather you didn't" when talking about the present? Master the tricky grammar behind expressing strong warnings and preferences by practicing negative "had better" statements, parallel structures, and past subjunctive forms across 15 questions.

See a quick refresher inside!

Did you cut your own hair, or did you have it cut? Master the art of delegating tasks by practicing the causative structure, focusing on the have/get something done pattern across various verb tenses.

See a quick refresher inside!

Ready to drop the if and sound like a highly advanced English speaker? Test your mastery of formal grammar by practicing third conditional inversion with had, second conditional inversion with were, and first conditional inversion with should.

See a quick refresher inside!

What happens when a past mistake alters your present reality, or a permanent trait changes a past outcome? Test your advanced grammar skills on past actions with present results, present states with past consequences, and formal conditional inversions.

See a quick refresher inside!

Who ate the last slice of pizza, and how did the dog get so muddy? Put on your detective hat and test your ability to use past modals of deduction, choosing between logical certainties, possibilities, and impossibilities.

See a quick refresher inside!

Did you waste your time doing something unnecessary, or did you realize it was unnecessary and skip it entirely? Test your grasp of past modals by choosing between needn't have done for wasted efforts and didn't need to do for avoided actions.

See a quick refresher inside!

Ever wondered how to fix a "dangling participle" before it ruins your writing? Master advanced sentence structures by practicing -ing and -ed participle clauses, identifying dangling modifiers, and using passive perfect participles to connect ideas seamlessly.

See a quick refresher inside!

How do you grammatically describe an ongoing action that caused a messy past result? Test your ability to use the past perfect continuous to express duration in the past and sequence interrupted ongoing actions across 12 engaging scenarios.

See a quick refresher inside!

Have you ever arrived at the airport only to realize your plane had already left? Master the timeline of past events by practicing the Past Perfect tense, contrasting it with the Past Simple, and correctly placing adverbs of time.

See a quick refresher inside!

Why are your clothes covered in flour, and what exactly have you been doing? Master this tense by testing your ability to express the duration of ongoing actions, describe incomplete tasks, and explain visible evidence of recent activities.

See a quick refresher inside!

Why do we say "I have been baking" but "I have finished two cakes"? Test your ability to choose between the present perfect continuous for ongoing actions and the present perfect simple for completed results, while avoiding common traps with stative verbs.

See a quick refresher inside!

Do you know the difference between "it is said that he escaped" and "he is said to have escaped"? Master advanced English sentence construction by practicing impersonal passive structures, perfect infinitives, and continuous infinitives alongside common reporting verbs.

See a quick refresher inside!

Did he say he is leaving or was leaving? Master the nuances of reporting what others say by practicing tense backshifting, identifying exceptions for general truths and present reporting verbs, and fixing indirect question word order.

See a quick refresher inside!

If you had known the secret to the third conditional, would you have spoken English more confidently? Test yourself on forming unreal past situations, using the past perfect correctly in the if-clause, and choosing the right modal perfect results.

See a quick refresher inside!

Have you ever made a hilarious mistake and wished you could turn back time? Learn how to accurately express past regrets using wish, if only, and the past perfect tense while helping time travelers, dramatic chefs, and gloomy ghosts fix their grammar.

See a quick refresher inside!

Do you freeze up when an English speaker asks, "What's up?" Master the art of everyday conversation by practicing casual greetings, natural replies, and weekend farewells.

See a quick refresher inside!

Have you ever wondered if someone "replied me" or "replied to me"? Master the nuances of digital communication by practicing verb patterns, texting collocations, and messaging prepositions.

See a quick refresher inside!

Do you know whether to say "I look forward to hear" or "I look forward to hearing"? Test your knowledge of gerunds, infinitives of purpose, and polite professional collocations for emails and virtual meetings.

See a quick refresher inside!

Do you constantly second-guess whether to use "I ate" or "I have eaten"? Master the difference between completed past actions and ongoing life experiences across 14 hilarious scenarios.

See a quick refresher inside!

Do you say in 6 pm or at 6 pm? Is it since three years or for three years? If your native language is Spanish, French, Italian, or Portuguese, these prepositions are your biggest weakness. Master in/on/at for time, since vs for, and to vs for with 12 fun scenarios.

See a quick refresher inside!

This English grammar quiz is designed to check if an English learner is at B2/Upper Intermediate CEFR level.

This quiz is designed to test your knowledge of English grammar and vocabulary on an upper-intermediate level, as per the Common European Framework of Reference (CEFR) guidelines. It will cover a wide range of topics such as verb tenses, relative clauses, modal verbs, and adjective and adverb clauses, as well as testing your ability to understand and use complex grammar structures.

After taking the quiz, learners would be able to see where they stand in terms of their English proficiency and if they are ready to move to the next level. Passing the challenge indicates the control of English grammar enough to move to the next level.

This English grammar quiz is designed to check if an English learner is at C2/Upper Intermediate CEFR level.

This is a quiz to check if an English learner is at the C1/Advanced CEFR level. It tests the learner's ability to understand and use a wide range of complex and nuanced language. The questions will cover various grammar topics such as verb tenses, modals, passive voice, and idiomatic expressions. The learner will be expected to show a high degree of accuracy in their use of English. The quiz is designed to challenge even the most advanced learners and will be a good indicator of whether they have reached a C1 level of proficiency in the language.

Do you know why we ask "Who ate the cake?" instead of "Who did eat the cake?" Master the tricky rules of English interrogatives by testing yourself on subject questions, polite indirect questions, tag questions, and dangling prepositions.

See a quick refresher inside!

Master transitive vs. intransitive verbs and avoid common errors like discuss about or enter into. Stop adding unnecessary prepositions with high-impact verbs like discuss, reach, enter, and contact!

Are you making subtle grammar mistakes in your daily standup notes and Slack messages? Master professional communication by fixing errors with company names, "one of the" phrases, "there is" vs. "there are", and tricky I/me/myself pronouns.

See a quick refresher inside!

Ever type so fast on Slack or Teams that you leave out an essential word? Test your ability to spot and fix missing auxiliary verbs, dropped pronouns, and omitted prepositions in everyday professional messages.

See a quick refresher inside!

Have you ever sounded like a time traveler in your morning standup or sent a confusing client email? Master professional communication by fixing common errors with past simple vs. present perfect, stative verbs, future time clauses, and base forms.

See a quick refresher inside!