Nouns are words used to identify people, places, things, and ideas. As a grammatical class, nouns satisfy most or all of the following tests:
 Number: they have a Singular and Plural form:
One car, two cars one child, several children.
 Determiners: they can be preceded by a, an, or the:
A child an apple the cars.
 Modifiers: they can be modified by an Adjective placed before them:
A young child a ripe apple the new cars.
 Phrases: they can form the Headword of a Noun Phrase:
A ripe red apple ready to eat the new cars on the forecourt.
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