Possessive Nouns

Possessive nouns are simply meant to show ownership or a relationship. There are four basic rules when writing possessive nouns. The first is: add an " 's " to make a singular noun possessive. The next is: add only an " ' " to make a plural noun possessive. The third rule is to add an " 's " to a plural noun that does not end in s. the last and final rule is to add an " 's " or only an " ' " to .