Singular + s
parrot – parrots apple – apples girl – girls
Words ending with y if a consonant is written before. ----> ies
lolly – lollies story – stories strawberry – strawberries
but: boy – boys toy - toys bay - bays
Words ending with ch, x, s, sh, o ----> es
class – classes brush – brushes box – boxes
Some words ending with f, fe, lf ----> ves
knife – knives wolf – wolves life – lives
but: chiefs, safes, cliffs, handkerchiefs
Irregular forms
man - men woman - women tooth - teeth
goose - geese ox - oxen louse - lice
foot - feet mouse - mice child - children
person - people    
Some nouns are identical to the singular form
bison - bison deer - deer sheep - sheep
fish - fish mouse - mouse offspring - offspring
You can use singular or plural with words like family, class, police, team, army, band, choir, class, club, crew, company, firm, gang, government, orchestra, party, staff, etc.

In British English the plural is used more often than in American English.

If the group acts in unison (as a group), use a singular verb:
My family lives in Miami. All the members living under one roof.
The team was successful. You see the team as a group.
If the group acts individually, use a plural verb:
My family live in towns all over Florida. Each individual is living a separate life in a different town.
The team were successful. You see the single members of the team.


Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6