Write the plural form of the countable nouns

1

a ship - ships, a boy - boys, a gun-guns, a day-days

2

a class-classes

a box-boxes

3

army-armies

navy-navies

4

a wolf - wolves

a knife - knives

5

a man-men

a woman-women

a child-children

a foot-feet

a tooth-teeth

an ox-oxen

a goose - geese

a mouse - mice