60%

Help the stressed roommate draft a polite text message without starting a war! Drag the correct request phrases to complete the sentences.

Hey! I'm trying to study for my finals, so would you mind turning down that dubstep music just a little bit?

Also, while you're in the kitchen, could you wash the absolute mountain of dishes in the sink? I would really appreciate it!

Hey! I'm trying to study for my finals, so would you mind turning down that dubstep music just a little bit?

We use would you mind followed by a gerund (verb + -ing). Because the verb is turning, "would you mind" is the correct choice.

Also, while you're in the kitchen, could you wash the absolute mountain of dishes in the sink? I would really appreciate it!

We use could you followed by the base form of the verb. Because the verb is wash (not washing), "could you" is the correct choice.

To ChallengesPreviousNext

Modal verb

If you've ever struggled with the difference between You must do this (strong command) and You should do this (advice) — or It might rain (possible) and It will rain (certain) — you've felt how much modal verbs do in English. They're how the language signals certainty, obligation, possibility, and politeness, and getting them right is what stops your speech from sounding either pushy or wishy-washy.

A modal verb is an auxiliarycan, could, may, might, must, shall, should, will, would — adding meaning around ability, permission, possibility, obligation, or speculation. Always followed by the bare infinitive (can swim, never can to swim), and never inflected for person.

Verb tense

If you've ever frozen mid-sentence wondering whether to say I worked or I have worked, I had been doing or I was doing — you've felt the weight of English's tense system. Twelve forms, each with a specific job, and the wrong choice subtly misrepresents your meaning. Mastering tenses is the longest single project in English grammar, but it's also the one with the biggest payoff.

Verb tense signals when an action happens. English has three time references (past, present, future) combined with three aspects (simple, progressive, perfect), giving twelve standard forms. Each carries a specific meaning beyond just timing.

English grammar

If you can speak English but feel you're forever guessing — should that be a/the?, would have been or had been?, who or whom? — you don't have a vocabulary problem; you have a grammar problem. Grammar is the system that turns isolated words into precise meaning, and the only difference between guessing and knowing is studying it deliberately.

English grammar is the system of rules that govern how meanings are encoded in English: word formation, phrase and sentence structure, tenses, agreement, word order, and punctuation.

Gerund

If you've ever said I enjoy to read or good at to swim and wondered why it sounded wrong, you've met the gerund. English is fussy about which structures take -ing and which take to + verb, and getting this wrong is one of the most common giveaways that someone learned grammar from a list rather than from real usage.

A gerund is the -ing form of a verb acting as a nounreading, swimming, being late. After many common verbs (enjoy, avoid, finish) and after every preposition, English demands the gerund, never the infinitive.

Questions

If you've ever asked You like coffee? with rising intonation and gotten a confused look — you've felt the gap between casual and grammatical English questions. Many languages form questions with intonation alone, but English usually requires inversion (Are you ready?) or do-support (Do you like coffee?). Skip the structure and your questions sound like uncertain statements.

Questions in English use inversion of subject and an auxiliary (Can she dance?) or do-support when no auxiliary is present (Does the milk go in the fridge?). Yes/no questions, wh-questions, negative questions, and tag questions all share this machinery.

Humor

If you've ever reached the third drill of present perfect and felt your eyes glaze over, you've hit the limits of dry repetition. Practice that's even mildly funny is far easier to come back to — and far easier to remember weeks later. That's the whole point of the Humor tag.

The Humor tag marks questions where the author has tried to make the practice entertaining alongside instructive. Subjective, sometimes silly, but designed to keep you engaged long enough for the rule to stick.

B1 | Intermediate

If you can hold a conversation about your weekend, explain why you're late, and follow a short news story without panicking — but still feel lost in fast or technical English — you're probably operating at B1. Knowing this matters: study material at the wrong level either bores you or burns you out, and B1 is the typical target for travel, casual work, and most everyday social English.

B1 is the intermediate level in the CEFR framework, where you handle everyday English independently and start combining ideas with complex sentences, passive voice, and modal verbs.

Difficulty: Medium

If easy questions feel too obvious but hard questions leave you guessing, you're probably ready for Medium — the level where most real learning happens. It pushes just enough to expose the rules you don't quite have yet, without burying you in edge cases. This is where steady fluency is built, one well-aimed challenge at a time.

The Medium difficulty tag marks middle-range challenges — typically A2 to B1. One rule per question, realistic distractors, and contexts that require active thought rather than instant recognition.