Singular and Plural

Most nouns form the plural by adding -s or -es.

Singular	Plural
Boat Hat House Rabbit River shoe	Boats Hats Houses Rabbits Rivers Shoes

A noun ending in -y preceded by a consonant makes the plural with -ies.

Singular	Plural
A cry A fly A nappy A puppy A city A lady A baby	Cries Flies Nappies Puppies Cities Ladies Babies

There are some irregular formations for noun plurals. Some of the most common ones are listed below.

Singular	Plural
Woman Man Child Tooth Foot Person Leaf Half Knife Wife Life Loaf Potato Tomato Cactus Mouse	Women Men Children Teeth Feet People Leaves Halves Knives Wives Lives Loaves Potatoes Tomatoes Cacti Mice

Some nouns have the same form in the singular and the plural

Singular	Plural
Sheep Fish Species Aircraft	Sheep Fish Species Aircraft