Les adjectifs possessifs: mon, ton, son Unit 5 Lesson 16 When we want to show possession in French we can use possessive adjectives, just as we do in English. In French however, the possessive adjective agrees with the noun that they introduce Possessor Je mon Mon Frère ma Ma mère mes Mes enfants Possessoire Tu ton ton Frère ta ta mère tes tes enfants Possessoire il son son Frère sa ses mère ses ses enfants Possessoire elle son son Frère sa ses mère ses ses enfants When an feminine singular noun is being introduced by a possessive adjective the masculin form is used. Mon amie Mon auto There is a liaison after the following possessive adjectives and a vowel Mon oncle Mes amis Choosing the right possessive adjective. The choice between son, sa, and ses depends on the gender(masculin or feminine) and the number(singular or plural) of the noun that follows. It does not depend on the gender of the possessor(male or female)