A boy-two boys
A chair- two chairs
An apple- two apples
A knife- two knives
A girl- two girls
A mouse- two mice
A cat - two cats
A woman-two women
A man- two men
An armchair- two armchairs
An airplane- two airplanes
A goose- two geese
A lion- two lions
A pen- two pens
A window-two windows
A knife- two knives
A book- two books
A house - two houses
An eye- two eyes
A foot- two feet
