17 topics from beginner to advanced. Each topic includes rules, examples, and quizzes.
Learn how to use the past simple tense in English with rules, examples, and common mistakes.
Past Continuous describes actions in progress at a specific moment in the past.
Master the present perfect: when to use have/has + past participle, with clear examples and comparisons with past simple.
Both express future, but with different meanings: 'will' for spontaneous decisions or predictions; 'going to' for plans or evidence-based predictions.
Learn the most common modal verbs in English — can, could, must, should — for expressing ability, possibility, obligation, and advice.
Use must, have to, should, and their negatives to express different levels of obligation and advice.
How to compare two things (taller than) and three or more (the tallest) in English, with rules for one-syllable, two-syllable, and irregular adjectives.
Gerund (verb + ing as a noun) and infinitive (to + verb) behave differently. Some verbs take one, others the other, and a few take both — sometimes with different meanings.
Use may, might, could, must, and can't to express different degrees of certainty about something.
Use the Third Conditional to talk about past situations that didn't happen — imagining a different past.