Define possessive nouns?
A possessive noun shows ownership (having or owning). Possessive nouns are formed by adding an apostrophe and "s" or only an apostrophe. Examples are John's car or the car belongs to John it is not Mark's. Mark is Johns' brother.
The possessive noun is also used to refer to restaurants, churches, shops and colleges combined with the job title or name of the owner. Examples are the doctor's, the dentist's, the grocer's orSt. Saviour's or Smith's
Common expressions such as Sunday's newspaper or thewater's edge also use this type of noun