Singular and Plural Nouns
Singular Nouns
1. principal
cafeteria
team
Rule
Add s to most nouns to make them plural.
Plural Nouns
principals
cafeterias
teams

Singular Nouns
2. switch
wish
box
Rule
Add es to most nouns ending in ch, sh, s, z, or x.
Plural Nouns
switches
wishes
boxes
Singular Nouns
3.community
party
discovery
Rule
If a noun ends in a consonant and y, change the y to i and add es.
Plural Nouns
communities
parties
discoveries
Singular Nouns
4. toy
play
roadway
Rule
If a noun ends in a vowel and y, add s to make it plural.
Plural Nouns
toys
plays
roadways
Singular Nouns
5. leaf
wife
half
Rule
Some nouns ending in f or fe are made plural by changing the f or fe to ves.
Plural Nouns
leaves
wives
halves
Singular Nouns
6. roof
chief
belief
Rule
Some nouns ending in f are made plural by adding s.
Plural Nouns
roofs
chiefs
beliefs
Singular Nouns
7. radio
stereo
cello
Rule
Most nouns ending in o that have a vowel just before the o are made plural by adding s.
Plural Nouns
radios
stereos
cellos
Singular Nouns
8. tomato
potato
piano
Rule
Some nouns ending in o that have a consonant just before the o are made plural by adding es, others are made plural by adding only s.
Plural Nouns
tomatoes
potatoes
pianos
Singular Nouns
9. foot
mouse
goose
Rule
A few nouns have irregular plural forms.
Plural Nouns
feet
mice
geese
Singular Nouns
10. sheep
trout
fish
Rule
A few nouns have the same form for both the singular and plural form.
Plural Nouns
sheep
trout
fish