Réponse :
1. must change
2. keen on playing chess.
3. read the text.
4. doesn't like running
5. drinking beer.
6. did he choose
7. he shouldn't speak
8. to come back
9. want to eat ?
Explications :
J'ai mis les verbes directement pour que ce soit plus clair, en espérant t'avoir aidé :)