40+ grammar topics from beginner to advanced. Each topic includes interactive exercises you can check instantly, plus AI-powered practice questions to go deeper.
Articles: A, An & The
Articles signal whether a noun is specific or general. English has three articles — a, an, and the — each with distinct rules that even advanced learners sometimes mix up.
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No, None & Any
No, none, and any all express the idea of zero quantity, but they are used in different grammatical positions and contexts. Mixing them up is a very common mistake.
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Collective Nouns
Collective nouns name a group of people, animals, or things as a single unit. In British English they often take a plural verb; in American English, usually singular. Understanding them helps you sound natural and avoid agreement errors.
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Countable & Uncountable Adjectives
English uses different quantifiers depending on whether a noun is countable (things you can count: books, ideas) or uncountable (things you cannot: water, advice). Using the wrong quantifier is one of the most common grammar mistakes.
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Indefinite Pronouns
Indefinite pronouns refer to non-specific people or things. They include everyone, someone, anyone, no one, everything, something, anywhere, and nothing. Getting their grammar right — especially subject-verb agreement — is essential for fluent English.
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Reflexive Pronouns
Reflexive pronouns (myself, yourself, himself, herself, itself, ourselves, yourselves, themselves) are used when the subject and object of a verb refer to the same person. They are also used for emphasis. Confusing them with personal pronouns is a common intermediate-level mistake.
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Either, Neither & Both
Either, neither, and both are used when talking about two things or people. They have distinct meanings and grammatical patterns. Getting them right signals a confident intermediate level of English.
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Agreeing & Disagreeing with Statements
English has specific short forms for agreeing and disagreeing with statements — "So do I", "Neither do I", "Me too". These short responses depend on whether the original statement is positive or negative and whether it uses an auxiliary verb or a main verb. Getting them right makes your conversation sound natural and fluent.
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Verb Tenses
English has twelve main tenses — four past, four present, and four future — each expressing a different relationship between an action and time. Mastering which tense to use and why is one of the most important skills in advanced English.
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Past Routines & Statuses
"Used to" and "would" both describe past habits and routines that no longer happen. However, only "used to" can describe past states or situations. Understanding the difference prevents a very common intermediate-level error.
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Hypothetical & Wish Clauses
Wish clauses and hypothetical expressions allow us to talk about things we want to be different — situations that are contrary to reality. The verb tense shifts back in time relative to the reality being described, which is a key feature of this structure.
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Passive Voice
The passive voice shifts the focus from who does the action to what receives the action. It is formed with "be + past participle" and is essential in academic, scientific, and journalistic writing.
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Modal Verbs
Modal verbs (can, could, may, might, will, would, shall, should, must, ought to) add meaning to the main verb — expressing ability, possibility, obligation, permission, or advice. They never change form and are always followed by the base verb.
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Non-Modal Verbs — Two Verbs Together
When two verbs appear together in English, the form of the second verb depends on the first. It may be a to-infinitive, a gerund (-ing), or a bare infinitive. Choosing the wrong form is one of the most persistent intermediate errors.
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Causative Verbs
Causative verbs (make, let, have, get) describe situations where one person causes or arranges for something to happen, often through another person. Each has a different structure and level of force or persuasion.
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Irregular Verbs
Most English verbs form the past simple and past participle by adding -ed (walk → walked). Irregular verbs do not follow this pattern and must be memorised individually. They are among the most frequently used verbs in the language.
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Stative Verbs
Stative verbs describe states rather than actions — things like emotions, mental states, senses, and possession. They are not normally used in continuous tenses. "I know the answer" ✓ — "I am knowing the answer" ✗. This rule has important exceptions that advanced learners need to master.
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Relative Clauses
Relative clauses add information about a noun using pronouns like who, which, that, whose, and where. They can be defining (essential to the meaning) or non-defining (extra information set off by commas). Getting the pronoun and comma usage right is a key advanced skill.
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Embedded Questions
Embedded questions (also called indirect questions) are questions placed inside a statement or another question. They use statement word order and sound more polite and formal than direct questions. Mastering them is essential for professional communication.
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Reported Speech
Reported speech (also called indirect speech) conveys what someone said without quoting them directly. Tenses typically shift back, pronouns change, and time/place expressions adjust. It is a fundamental skill for academic and professional writing.
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Conditionals
Conditional sentences describe situations and their results. English has four main types (zero to third) plus mixed conditionals, each expressing a different degree of likelihood or reality. They are built from an "if" clause and a main clause.
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Time Clauses
Time clauses connect two events or situations using conjunctions like after, before, while, since, until, and when. A key rule: after time conjunctions, never use "will" for the future — use present simple instead. These clauses can also be compressed into gerund phrases for more formal, efficient writing.
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Negative Adverbials for Emphasis
Placing a negative adverbial at the start of a sentence creates dramatic emphasis and sounds formal or literary. It requires subject-auxiliary inversion — the same word order used in questions. These structures are common in formal speeches, essays, and literary writing.
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Participle Clauses
Participle clauses are compressed clauses that use -ing (present participle) or -ed/-en (past participle) instead of a full verb. They create more sophisticated, economical sentences and are common in formal writing.
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Question Tags
Question tags are short questions added to the end of statements to seek confirmation or involve the listener. They follow a strict pattern: positive statement → negative tag; negative statement → positive tag. The tag must use the same auxiliary as the main sentence.
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Negative Questions
Negative questions use "not" (or a contraction) in the question. They are used to express surprise, seek confirmation, make suggestions, or express that you expected a different answer. The word order and meaning can be tricky for learners.
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Direct & Indirect Objects
Many English verbs can take two objects: a direct object (the thing acted upon) and an indirect object (the recipient). Understanding how to order them — and when a preposition is needed — is essential for grammatically correct sentences.
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Adjective Order
When multiple adjectives describe a noun, English speakers instinctively follow a specific order. Getting this order wrong doesn't make your meaning unclear, but it sounds unnatural to native ears. The order is: Opinion → Size → Age → Shape → Colour → Origin → Material → Purpose + Noun.
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Comparatives & Superlatives
Comparatives compare two things; superlatives compare one thing against all others in a group. The form depends on the number of syllables in the adjective and whether it is regular or irregular.
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Compound Adjectives
Compound adjectives are formed by combining two or more words that together modify a noun. When placed before the noun, they are usually hyphenated. Understanding when and how to form them makes your writing more precise and natural.
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Adverbs of Frequency
Adverbs of frequency tell us how often something happens. They range from always (100%) to never (0%). Their position in the sentence depends on the type of verb, and getting it wrong is a very common beginner-to-intermediate mistake.
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Adverbs vs. Adjectives
Adjectives describe nouns; adverbs modify verbs, adjectives, and other adverbs. Confusing them — especially with -ly adverbs and flat adverbs — is a persistent intermediate error. Some words (fast, hard, late, early) look identical as adjectives and adverbs, while others have irregular adverb forms (good → well).
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Similar & Confused Verbs
English has many verbs that look or feel similar but have distinct meanings or uses. Confusing them — saying "learn" when you mean "teach", or "borrow" when you mean "lend" — is a very common error across all levels.
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Antonym Prefixes
Antonym prefixes reverse the meaning of a word. English has several negative prefixes — un-, in-, im-, il-, ir-, dis-, mis-, non- — and choosing the correct one depends on the word. There are patterns, but also exceptions that must be memorised.
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Nominalization — Changing Word Forms
Nominalization is the process of converting other word forms (verbs, adjectives) into nouns. It is a key feature of formal and academic writing in English. "We decided to expand." → "The decision to expand was made." Recognising and using nominalization makes writing sound more professional.
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Casual Merged Words
In fast, informal spoken English, certain words blend together into contractions called "merged words" or "reductions". Understanding them is essential for listening comprehension of native speakers, films, and podcasts — even if you would not write or produce them yourself in formal contexts.
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Saying Numbers
Reading numbers aloud in English has specific conventions that differ from other languages. Whether dealing with large sums, fractions, dates, or scores, knowing the correct spoken form avoids awkward misunderstandings.
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Pronunciation of -ed
The -ed ending of regular past tense verbs and past participles is pronounced in three different ways: /t/, /d/, or /ɪd/. The correct pronunciation depends entirely on the final sound of the base verb — not the spelling. Mastering this gives speech a much more natural rhythm.
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Prepositions
Prepositions show relationships between words — of time, place, and direction. They are also fixed in many verb and adjective collocations. Because they are largely idiomatic, they must be learned in context rather than translated directly from other languages.
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Linking & Cohesion
Linking words and phrases connect ideas within and between sentences, making writing and speech flow logically. They signal contrast, cause and effect, addition, sequence, and more. Overusing simple connectors (so, but, because) and never using formal linkers is a key feature of lower-level writing.
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Apostrophes
Apostrophes serve two functions in English: showing possession (John's book) and marking missing letters in contractions (it's = it is). Misusing them — especially the infamous "it's vs its" confusion — is one of the most noticed written errors in English.
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Commas
Commas are among the most misused punctuation marks in English. They have specific rules for lists, clauses, introductory phrases, and more. Both missing commas and unnecessary commas change the rhythm and sometimes the meaning of a sentence.
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Colons, Semicolons & Em Dashes
Colons, semicolons, and em dashes are underused punctuation marks that can significantly elevate your writing. Each has distinct functions that go beyond simple separation — mastering them signals a sophisticated command of written English.
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