Sharpen Your English Grammar
Whether you're preparing for a language exam, polishing your writing, or simply curious about the finer points of English grammar — you're in the right place. Our CEFR-based grammar test adapts each time you take it, giving you a fresh set of questions and targeted feedback on where you shine and where you can grow.
Prefer to focus on specific topics? Browse our practice challenges, each one built around a grammar topic and tagged by category and difficulty. Every question comes with a clear explanation — so you don't just find out what's right, you understand why.
Looking for something specific? Jump straight to verb tenses, IELTS preparation, or explore the tag tree below to find exactly the topic you need.
Log in or create an account to keep track of your results and pick up where you left off.
Challenges by tag
More about the tags
The English Grammar tree breaks topics down by grammatical category — from determiners to verb tenses and everything in between. Our taxonomy overview explains how we organized it all. The categories are not set in stone— we continue refining them to be as useful as possible.
CEFR stands for the Common European Framework of Reference for Languages — a widely-used standard for benchmarking language ability from beginner (A1) to mastery (C2).
Difficulty Levels reflect the content authors' judgment of how challenging each question is, so you can start easy and work your way up.
What's New
February 21, 2026 — New Challenge: Core Verb and Preposition Combinations
Do you depend of or depend on? Fixed verb–preposition pairs like insist on, listen to, and apologize for trip up even advanced learners. Build accuracy with these essential collocations and stop translating from your native language.
February 21, 2026 — New Challenge: Subjunctive and Conditional Adventures
Wishes, hypotheticals, and "what if" scenarios — master the subjunctive mood and conditional sentences through creative stories involving time travel, wizards, and raccoons. Perfect for leveling up from basic to confident B1 grammar.
February 21, 2026 — New Challenge: Quantifiers: Much, Many, and a Lot of
Struggling to choose between much, many, and a lot of? This easy-level challenge helps you nail the difference between countable and uncountable nouns so you stop second-guessing yourself in everyday conversations and writing.
February 21, 2026 — New Challenge: Transitive vs. Intransitive: High-Impact Verbs
Saying discuss about or enter into? These sneaky errors come from translating directly from your native language. Master high-impact transitive and intransitive verbs like lay/lie, raise/rise, and discuss/contact to sound natural and confident.
February 14, 2026 — New Challenge: Participle Clauses
Want to write tighter, more elegant sentences? Participle clauses let you merge two ideas into one — using -ing for simultaneous actions and having + past participle for completed ones. Essential for B1+ writing.
February 14, 2026 — New Challenge: Gerund vs. Participle: -ing Word Functions
Every -ing word looks the same, but swimming can be a noun, an adjective, or part of a verb. Learn to tell gerunds from participles so you can parse and build sentences with confidence.
February 14, 2026 — New Challenge: Determiners: Some, Any, Few, and Little
Is it a few or few? Some or any? These small words dramatically change your meaning. Master the subtle differences so you say exactly what you intend — whether you're being positive, negative, or making an offer.
February 14, 2026 — New Challenge: Articles — A, An, The & Zero Article
Do you know why we say "an hour" but "a university"? Our newest challenge walks you through a/an sound rules, the vs. zero article, and first vs. second mention across 14 real-world scenarios. Give it a try!
February 8, 2026 — New Challenge: Verb + Object + Infinitive Patterns
"I want you to try" or "She made him laugh" — some verbs need to, others don't. Learn the verb + object + infinitive pattern with verbs like ask, tell, allow, let, and make to build accurate complex sentences.
February 8, 2026 — New Challenge: Stop, Remember, and Try — Gerund or Infinitive?
"I stopped smoking" vs. "I stopped to smoke" — completely different meanings! Master how stop, remember, and try change their meaning depending on whether a gerund or infinitive follows.
February 8, 2026 — New Challenge: Gerund vs. Infinitive with Common Verbs
Do you enjoy to read or enjoy reading? Picking the wrong form after verbs like avoid, suggest, decide, and want is one of the most common English mistakes. Fix it once and for all.
February 8, 2026 — New Challenge: Gerund vs. Infinitive after Adjectives
"Happy to help" or "tired of waiting"? The rules for choosing gerunds and infinitives after adjectives aren't random — learn the patterns so expressions like worth trying and afraid of failing come naturally.
January 31, 2026 — New Challenge: Advanced Conditionals and "Wish"
Ready to go beyond basic if-clauses? Tackle mixed conditionals, nuanced wish structures, and regret patterns that will make your English sound polished and precise in both writing and conversation.
January 31, 2026 — New Challenge: Conditionals and "Wish"
"If I would know..." — sound familiar? Learn to use conditionals and wish correctly so you can talk about hypothetical situations, regrets, and desires without the classic mistakes that trip up most learners.