bonjour pouvez vous m’aider s’il vous plaît ? la consigne est « réécris ces phrases en utilisant le cas possessif » merci

1) Bart is Lisa's brother

2) Homer and Marge are lisa's and bart's parents

3) Lisa's books

4) Maggie is lisa's and bart's Sister

5) Abe Simpson is children's grandfather

6) Milhouse is Bart's friend

7) Patty ans Selma are Maggie's, Lisa's and Bart's aunts

8)Santa is the Simpsons' d'or

9) Moe is Homer's friend

10) Snowball is Lisa's cat

11) Ned Flounders is the Simpsons' neighbour