Grammar Topics
Browse and filter all grammar topics by level or category.
17 topics found
Common and Proper Nouns
Master common and proper nouns: know when to capitalize names and use general terms correctly in every sentence you write.
Singular and Plural Nouns
Singular and plural nouns: master the spelling rules for forming plurals and avoid common mistakes with irregular, uncountable nouns.
Indefinite Article (a / an)
Indefinite article a/an: learn when to use 'a' vs 'an' based on sound, and introduce singular nouns correctly the first time.
Definite Article (the)
Definite article 'the': learn its eight key uses for referring to things both speaker and listener already know, avoiding errors.
Zero Article
Zero article rules: learn when English omits 'a', 'an', and 'the' entirely — for general statements, languages, sports, fixed phrases.
Cardinal Numbers
Cardinal numbers 1, 2, 3: learn to form and spell numbers up to one million correctly, including tricky teens and tens rules.
Demonstratives (this, that, these, those)
Demonstratives this, that, these, those: master how to point to nouns by distance and number, used as determiners and pronouns.
Ordinal Numbers
Ordinal numbers first, second, third: learn to form them from cardinals, master irregular forms, use them for dates and floors.
Irregular Plurals
Irregular plurals like man→men, child→children, mouse→mice: memorize these unpredictable forms and stop making plural mistakes.
Uncountable Nouns
Uncountable nouns like water, information, and advice: learn the special grammar rules that govern them and avoid common errors.
Possessive Nouns ('s and s')
Possessive nouns with 's and s': learn to show ownership and relationships between nouns correctly in every context.
Quantifiers: some / any
Quantifiers some and any: learn when to use 'some' in statements and offers versus 'any' in questions and negatives correctly.