The document provides examples of using possessive case in sentences. It shows how to form sentences using possessive pronouns like "Bill's shirt" and "Mr. Carter's tie". It then gives examples of forming sentences with plural nouns like "the boys' sweatshirts" and "the girls' socks". Finally, it demonstrates asking questions using "whose" and providing answers using possessive forms, such as "Whose shorts are these? They are Carl's shorts."