Matching Pairs Possessive 's Online version Brayan Ramirez Brian Reyes by Brayan Ramirez 1 To form the possessive... 2 The car of John 3 Fixed expression 4 5 Functions of the possessive 6 7 It shows a relationship of belonging between one thing and another. add apostrophe + s to the noun. If the noun is plural, or already ends in s, just add an apostrophe after the s. John's car a day's work Possessive Men's clothes It is John's car. 'Belonging to' or 'ownership' is the most common relationship the possessive expresses.