Nouns - Singular and Plural Nouns

This table shows how to change Singular nouns into Plural nouns.

Type of Noun	Plural form	Examples
Most nouns	By adding -s to the word	hen - hens, tree - trees, bag - bags
Nouns ending in a consonant and -y	By replacing -y with -i and adding -es to the word	butterfly - butterflies, army - armies, baby - babies
Nouns ending in a vowel and –y	By adding -s to the word	monkey - monkeys, day - days, toy - toys
Nouns ending in -o	By adding -s or -es	video - videos, potato - potatoes, mosquito - mosquitoes
Nouns ending in -sh,-ch, -x, -s, -ss	- Bye adding es	box - boxes, brush - brushes, stitch - stitches, glass - glasses
Nouns ending in -f or –fe	By changing the -f or -feto -v and adding -es	calf - calves, wolf - wolves, hoof - hooves
Compound nouns	By adding -s to the main word	brother-in-law - brothers-in-law
Irregular nouns	No   particular    rule    to change into plural form	goose - geese, child - children, mouse - mice, man - men
Same form for singular and plural	No change to the word	deer - deer, bison - bison