Have a look at the rules!
Irregular nouns
Solution to the exercises:
http://www.grammar.cl/exercises/plural-nouns.pdf
Plural Nouns
A) Change each o f the following nouns
below into plural nouns.
a. Books
b. Tables
c. Days
d. Cars
B) Change each o f the following nouns
below into plural nouns.
a. Watches
b. Foxes
c. Glasses
d. Quizzes
e. Classes
f.
Busses
C) Change each o f the following nouns
below into plural nouns.
a. Babies
b. Bodies
c. Monkeys
d. Parties
e. Dictionaries
f.
Cities
D) Change each o f the following nouns
below into plural nouns.
a. Calves / calfs
b. Hoofs/ hooves
c. Elfs/ elves
d. Dwarfs/ dwarves
e. Thiefs / thieves
f.
Loafs
/ loaves
E) Change each o f the following nouns
below into plural nouns.
a. Potatoes
b. Geese
c. Tomatoes
d. House
e. Cherries
f.
Meese
g. Deer
h. Oxen
i.
Mosquitoes
j.
Sheep
k. Heroes
l.
boxes
F) Change each o f the following nouns
below into plural nouns.
a. Paw is to cat as foot is to human.
b. Key is to door as password is to
computer.
c. Girl is to boy as woman to man.
d. Goose is to flock as dog is to pack.