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Rules›Plural Nouns
A1

Plural Nouns

Plural nouns mark more than one. Most nouns add -s, some add -es or -ies, a few common nouns change form completely (man → men), and a small group never changes (sheep → sheep).

  1. -s, -es, -ies

    When to use it
    Most nouns add -s to mean more than one: two books, three cars.
    Nouns ending in -ch, -sh, -s, -x, -z take -es: watch → watches, box → boxes.
    A consonant + y turns into -ies: city → cities, baby → babies.
    The number decides the form: one apple stays singular, two apples and many friends go plural.

    Build an example

    Quantity
    Noun
    twobooks

    I have two books.

    Most nouns add -s in the plural.

    Signal words
    twothreemanyseverala lot of
    Spelling
    most nouns→+ sbook → books
    ends in -ch, -sh, -s, -x, -z→+ esbox → boxes
    consonant + y→drop y, + iescity → cities
    Common mistake
    I have two book.I have two books.
    After two, the countable noun must be plural: books.
    ✗ A countable noun should be plural after any number word.
    ✓ Only after numbers bigger than one. After one the noun stays singular: one apple, two apples.