What is an NUMBER in English ?
              There are two NUMBERS in English --the
Singular Number and the Plural Number.

SINGULAR NUMBER
              A noun that denotes one person or thing.

Example : Book, pen, bird, cow, boy .. etc

PLURAL NUMBER

              A noun that denotes more than one person or thing.

Example : Books, pens, birds, cows, boys .. etc

The plural of nouns is generally formed by adding 's' to the singular.
              boy - boys
              girl - girls
              tree - trees
              table - tables
              cow - cows


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