English Grammar Rules
Browse all grammar topics with clear explanations and examples
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Nouns
Countable, uncountable, and plural forms
Countable vs Uncountable Nouns
Understanding count nouns (a book, two books) vs mass nouns (water, information)
Irregular Plural Nouns
Nouns that don't follow regular -s/-es plural rules
Possessive Nouns
Showing ownership with 's and of: John's book, the leg of the table
Singular and Plural Nouns
Regular plural rules: add -s, -es, -ies, and special cases
Compound Nouns
Two words forming one noun: toothpaste, bus stop, mother-in-law