Bonsoir,
Lorsque le s n'est pas possessif il fait parti du verbe être ( it is = it's, she is = she's..).
S possessifs = bart's/ friend's / marge's/ sister's / bart's / name's / malhouse's / bart's / lisa's
Bonne soirée
Bonsoir ;)
a. Bart's best friend's milhouse
b. He's got glasses and blue hair
c. Marge's sister's very tall
d. They are Bart's sisters
e. She's got a sister. Her name's marge
f. It's 2 clock. It's time to go
d. Milhouse's Bart's friend, but not Lisa's .
Voila :) Bon confinement :))