A complete English grammar guide with 136 topics
The main categories that explain how words function in a sentence.
Words that describe nouns.
Adjectives that appear directly before (or sometimes after) the noun they modify, forming part of the noun phrase.
Adjectives that appear in the predicate after a linking verb to describe the subject or object.
Adjectives formed from proper nouns (countries, cities, brands, religions, individuals) and always capitalized.
Nominal adjectives referring to groups of people by shared characteristic, always preceded by "the" and treated as plural.
Adjectives (this, that, these, those) that specify which noun based on number and proximity.
Adjectives (what, which, whose) used to ask questions by modifying nouns.
Adjectives that perform the function of a noun, preceded by "the" and acting as subject or object.
Adjectives formed from two or more words joined by hyphens, functioning as a single modifier before a noun.
The standard sequence when multiple adjectives modify the same noun.
Adjectives inflect to show positive, comparative, and superlative degrees.
Adjectives used to compare differences between two nouns.
Adjectives describing the highest or lowest degree among three or more.
Words that modify verbs, adjectives, or other adverbs.
Adverbs that tell when (a point in time) or for how long something happens.
Adverbs describing direction, distance, movement, or position.
Adverbs describing how something happens or is done.
Adverbs indicating intensity, degree, or extent of what they modify.
Adverbs of degree that reduce intensity of adjectives and adverbs.
Adverbs of degree that increase the strength or intensity of adjectives and adverbs.
Adverbs describing how often something happens, split into definite and indefinite categories.
Adverbs explaining why something happens, often using conjunctive adverbs, infinitives, or adverbial clauses.
Adverbs drawing attention to a particular part of a clause, often implying contrast.
Adverbs modifying words or clauses in a negative way.
Adverbs connecting two independent clauses and describing their relationship.
Adverbs expressing the speaker's opinion or comment on the entire clause.
Adverbs indicating whose point of view is being expressed or what aspect is being discussed.
Adverbs (where, when, why) introducing relative clauses.
Nouns or noun phrases functioning grammatically as adverbs.
Adverbs formed by adding -ly to adjectives (regular) vs. those with unique forms (irregular).
Adverbs shift from positive to comparative and superlative degrees.
The standard sequence when multiple adverbs modify the same verb: Manner → Place → Frequency → Time → Purpose.
Words that connect words, phrases, or clauses.
Conjunctions (FANBOYS: for, and, nor, but, or, yet, so) joining grammatically equal elements.
Paired conjunctions (both...and, either...or, neither...nor) joining two equal elements.
Conjunctions introducing dependent clauses and showing relationship to the independent clause.
Words that name people, places, things, or ideas.
Common nouns name a class; proper nouns name a specific entity.
Nouns used to call or address someone directly.
Concrete nouns are sensed physically; abstract nouns are ideas or feelings.
Countable nouns can be counted; uncountable nouns are treated as masses.
Nouns that refer to a group as one unit.
Nouns made of two or more words with one meaning.
Converting verbs or adjectives into nouns.
Additional grammatical categories used in practical language.
Words with no independent meaning that pair with verbs to form infinitives (to) or phrasal verbs (up, down, etc.).
The definite article "the" and indefinite articles "a/an" identifying nouns as specific or general.
Words introducing nouns and providing information about specificity, quantity, or possession.
Words (my, your, his, her, its, our, their) modifying nouns to denote possession.
The -ing form of a verb functioning grammatically as a noun.
Words or sounds conveying emotion, grammatically unrelated to the rest of the sentence.
Words that show relationships in time, place, or direction.
A preposition plus its object, functioning adjectivally or adverbially.
Prepositions grouped by function: time, place, direction, agency, instrument, reason, connection, and origin.
Frequent mistakes with prepositions including to vs. at, in vs. on, and intransitive verb patterns.
Patterns and pairings of specific prepositions with nouns.
Verb + preposition combinations (prepositional verbs) where the preposition is inseparable from the object.
Adjective + preposition combinations that form adjective complements.
Prepositional idioms where the meaning cannot be inferred from individual words.
Words used instead of nouns to avoid repetition.
Pronouns referring to specific people or things.
Pronouns that refer back to the subject.
Pronouns used for emphasis.
Pronouns referring to non-specific people or things.
Pronouns used to point to near or far items.
Pronouns used to ask questions.
Pronouns that connect a main clause to a relative clause.
Pronouns showing mutual action between two or more participants.
Pronouns used for grammatical structure without concrete reference.
Words that express actions, events, or states.
Finite verbs carry tense and agreement; non-finite forms do not.
Transitive verbs need an object; intransitive verbs do not.
Regular verbs follow a standard pattern; irregular verbs change forms.
Helper verbs used to build tense, negation, and questions.
Verb expressions that behave partly like modal verbs.
Verbs in sentences where one action depends on a condition, using modal auxiliaries.
Verbs indicating the subject causes an action to happen, followed by a noun and an infinitive.
Verbs indicating the direct object is changed into a new state, followed by an object complement.
Verbs whose subject is also the direct object, identified by reflexive pronouns.
Base verb forms, often with to, used in many structures.
Verb forms used in perfect/continuous tenses and as adjectives.
Action verbs show activity; stative verbs show states.
Verbs that connect subject and complement.
General verbs that combine with nouns to form full meaning.
Verb + particle combinations with idiomatic meaning.
Changes in word form to express grammatical meaning.
Verb form changes by tense, person, and number.
Systems that locate actions in time.
How an action unfolds: ongoing, completed, repeated.
The speaker attitude: statement, command, possibility.
Active voice focuses on doer; passive voice focuses on action/result.
Paraphrasing what someone said, shifting tense one step back.
Identifies whether the subject is the speaker (first), addressee (second), or someone else (third).
Noun and pronoun form changes by role or relation.
How English nouns form plurals, including regular and irregular patterns.
How a small number of English nouns inflect for gender via suffixes or inherently gendered pairs.
How words change form following predictable rules (regular) vs. unique memorized forms (irregular).
Rules for arranging words into meaningful sentences.
Word groups with subject and verb; independent or dependent.
Groups of words acting as a unit without full predication.
Everything in the sentence that follows the subject, built around at least one finite verb.
Core elements such as subject, verb, and complements.
Sentences classified by structure or communicative function.
Classification based on clause composition.
Classification by communicative goal.
Short utterances understood from context.
The person or thing that performs, controls, or is responsible for the action of the verb.
Nouns or pronouns completing the meaning of verbs (direct or indirect) or prepositions.
Elements following linking verbs that describe, identify, or rename the subject.
Phrases or clauses completing the meaning of a predicative adjective.
Adverbs or adverbial elements required to complete a verb's meaning, without which the sentence is incomplete.
