Grammar Topics
Browse and filter all grammar topics by level or category.
17 topics found
Common and Proper Nouns
Nouns name people, places, things, and ideas. Common nouns refer to general categories; proper nouns name specific, unique entities and are always capitalised.
Singular and Plural Nouns
English nouns change form from singular to plural following regular spelling rules. Learn all the key patterns and avoid common mistakes with irregular and uncountable nouns.
Indefinite Article (a / an)
Use 'a' before consonant sounds and 'an' before vowel sounds. The indefinite article introduces singular countable nouns for the first time or describes membership in a general class.
Definite Article (the)
The definite article 'the' is used when both speaker and listener know which specific thing is meant. Learn its eight key uses and common mistakes to avoid.
Zero Article
The zero article means using no article at all. Learn when English deliberately omits 'a', 'an', and 'the' — for general statements, proper nouns, languages, sports, and fixed phrases.
Cardinal Numbers
Cardinal numbers (1, 2, 3…) answer 'how many?' Learn to form and use numbers from 1 to one million, including spelling rules for teens and tens.
Demonstratives (this, that, these, those)
Demonstratives (this, that, these, those) point to specific nouns by indicating nearness or distance and singular or plural number. Master their use as both determiners and pronouns.
Ordinal Numbers
Ordinal numbers (first, second, third…) express position or order. Learn their formation from cardinals, irregular forms (fifth, eighth, twelfth), and how to use them for dates, floors, and sequences.
Irregular Plurals
Nouns that form their plural in unpredictable ways: man→men, child→children, mouse→mice, and more.
Uncountable Nouns
Nouns that cannot be counted directly (water, information, advice) and the grammar rules that govern them.
Possessive Nouns ('s and s')
Using 's and s' to show ownership and relationship between nouns.
Quantifiers: some / any
Using some (affirmative/offers) and any (questions/negatives) with countable and uncountable nouns.