City

Bench

Child

potato

sandwich

family

boy

tooth

leaf

box

Many singular nouns form their plural by adding -s.

Singular nouns ending in -y with vowel before -y form their plural by adding - ies

Singular nouns ending in - y with consonant before -y form from their plural by changing -y to i and adding -es.

Some singular nouns known as Irregular Nouns ) form their plural by changing the spelling.

Some singular nouns form their plural without changing the spelling.

Plural of man

singular noun of geese

Plural form of tooth

plural form of Ox

Singular form of knives