A noun can be singular or plural.

Pencil, pen, flower, owl and chair are one in number. So, they are singular nouns.

Pencils, pens, flowers, owls and chairs are more than one in number. So, they are plural nouns.

Singular noun means one.
Plural noun means more than one.

To make a noun plural, we add -s  at the end of the word.

For example:

boy becomes boys
flower becomes flowers
river becomes rivers

Make the following words plural by adding -s.

For words ending in s, ch, x, o, sh, we add –es to make them plural.

For example:

bus becomes buses
dress becomes dresses
mango becomes mangoes

Make the following words plural by adding -es.

Are these nouns singular or plural? Write S for singular nouns and P for plural nouns.