When done try the Possessive Nouns Quiz.
Possessive nouns show that something is owned or possessed. Possessive nouns most often are paired with nouns. The possessive form of a noun is formed by adding an apostrophe (') or an apostrophe and s ('s).
A possessive noun is written with a noun followed by 's in the singular form and s' in the plural form.
One cat's fur
Two cats' fur
One walrus' head or One walrus's head
If a singular noun ends in s it can form the possessive either by adding 's or by simply adding an '.
Possessive forms of ireegular nouns form the plural with 's
Some sheep's wool
women's (also different forms of the word men such as workmen's, postmen's)