Possessive Nouns

Possessive nouns are used to indicate ownership. Possessive nouns usually are formed by adding an apostrophe (') and s. John's book Kerry's car Grandma's mirror When a noun is plural and ends in s, just add an apostrophe ('). The kids' toys My parents' house The teachers' lounge If two people own one thing, add the apostrophe and s to the second person only. John and Mary's new house David and Sue's wedding Tom and Doug's car If two people own separate things, add the apostrophe and s for each person. Susan's and Beth's books Jean's and Dan's pants Ben's and Jim's offices Quiz  Which of the following is not correct? 1)Dr. Hunts has a new computer. 2)Dr. Hunts's new computer is working well. 3)Dr. Hunts' computer is new.