The singular form of people is --------------
person
The singular form of days is --------------
day
The plural form of woman is --------------
women
The singular form of cameras is --------------
a camera
The plural form of an eye is --------------
eyes
The plural form of sister is --------------
sisters
The plural form of a family is --------------
families
The plural form of a baby is --------------
babies
The plural form of box is --------------
boxes
The plural form of a pen is ------------------
pens
The plural form of book is
books
The plural form of a leaf is --------------
leaves
The plural form of tooth is --------------
teeth
The plural form of fish is --------------
fish
The plural form of man is -----------
men
The singular form of oranges is --------------
an orange
The singular form of ears is --------------
an ear
The plural form of boy is --------------
boys
The plural form of knife is --------------
knives
The singular form of feet is --------------
foot
The plural form of parent is --------------
parents
The plural form of a child is ------------
children
The plural form of key is --------------
keys