English grammar that finally clicks.
Grammar isn’t a list of rules to memorise — it’s the set of moves that change what a sentence means. Watch one sentence transform, then come and play with the rest.
Press a button. Watch grammar move.
Same idea, nine different sentences. Switch the tense, flip it to a question or a negative, and see exactly which words do the heavy lifting — the rule rebuilds itself underneath.
Like the idea? Every transformation here has a full lesson below — browse the grammar lessons →
Elementary
Build your core grammar foundationPresent simple
Habits, routines, facts and permanent states.
Present continuous
Actions happening now and temporary situations.
Past simple
Completed actions and events in the past.
There is / There are
Describing existence and location of things.
Can & could — ability
Expressing what you are or were able to do.
Articles: a, an, the
When to use definite and indefinite articles.
Adjectives & adverbs
Describing nouns and modifying verbs and adjectives.
Question forms
Yes/no questions, wh- questions, and question tags.
Intermediate
Expand your grammar range and accuracyPresent perfect simple
Connecting past experiences to the present moment.
Past continuous
Actions in progress at a specific time in the past.
Zero & First conditional
Real and likely situations and their consequences.
Reported Speech
How to report questions and commandss.
Comparatives & superlatives
Comparing people, things, and ideas.
Modal verbs
Must, should, might, need to — obligation and advice.
Passive voice — basics
Shifting focus from the doer to the action or object.
Future forms
Will, going to, present continuous for future plans.
Upper intermediate
Master complex structures and nuancePast perfect simple
Events that happened before another point in the past.
Third conditional
Imaginary situations in the past and their results.
Reported speech
Reporting what someone said, asked, or thought.
Relative clauses
Defining and non-defining clauses with who, which, that.
Gerunds & infinitives
When to use -ing forms vs to + verb after other verbs.
Passive voice — advanced
Complex passive structures including continuous and perfect forms.
Wish & if only
Expressing regrets and desires about the present and past.
Conjunctions & linkers
Although, despite, in spite of, whereas — contrast and concession.
Advanced
Achieve precision and sophisticationInversion
Inverted structures after negative adverbials for emphasis.
Cleft sentences
It is… that / What… is — focusing on key information.
Subjunctive mood
Formal structures: I suggest that he be / It is vital that she attend.
Mixed conditionals
Blending time frames to express complex hypothetical ideas.
Discourse markers
Linking ideas in speech and writing: moreover, nevertheless, thereby.
Advanced modal verbs
Must have, can't have, should have — deduction and speculation.
Participle clauses
Using -ing and -ed clauses to condense and add detail.
Emphasis structures
Do / does / did for emphasis, fronting, and other devices.
Proficiency
Reach native-like command of grammarEllipsis & substitution
Omitting or replacing words to avoid repetition fluently.
Complex inversion
Advanced inversion patterns in formal written English.
Nominal clauses
Clauses functioning as nouns — as subjects, objects, and complements.
Grammar for style
Choosing structures for rhetorical effect in writing and speech.
Advanced passive structures
Causative, reporting, and complex passive constructions.
Complex sentence structure
Embedding multiple clause types for sophisticated expression.
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Take the free level testIrregular Verbs Trainer
The verbs that don't follow the rules — browse them, flip through flashcards, then race the clock to lock them in.
The list
Search any form, or filter by pattern. The colored tag shows how the three forms relate.
| Base | Past simple | Past participle | Pattern |
|---|
Flashcards
See the base verb, guess the past and participle, then tap the card to check.
Sprint
15 verbs against the clock. Type the form we ask for and press Enter. Beat your best time!
The English Tense Map
All twelve tenses in one picture. Tap any square to see how it's built, when to use it, and where it sits in time — then test yourself.
Explore the twelve tenses
Three times (present, past, future) across four aspects (simple, continuous, perfect, perfect continuous). Click a square to open it.
Spot the tense
Six sentences — can you name the tense? Instant scoring and a short explanation for each.
Grammar Arcade
Ten rapid-fire questions, three lives, and a streak multiplier. Pick your level and see how high you can score.
Choose your level
The Complete Grammar Map
Every English grammar topic in one place, with a one-line guide to each. Browse by category and jump straight to the full lesson.
Parts of Speech
Nouns
Pronouns
Adjectives
Verbs
Prepositions
Conjunctions
Interjections
Sentence Structure
Subject & Predicate
Clauses
Phrases
Verb Tenses
Simple Tenses
Continuous Tenses
Perfect Tenses
Perfect Continuous Tenses
More Grammar Topics
Articles
Determiners
Pronoun-Antecedent Agreement
Subject-Verb Agreement
Sentence Types
Active & Passive Voice
Direct & Indirect Speech
Comparatives & Superlatives
Conditional Sentences
Modals & Semi-Modals
Gerunds & Infinitives
Relative Clauses
Question Formation
Negation
Punctuation
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