Réponse : Bonjour voici les réponses :D :
1) My neighbour have just bought a new car.
2) My cousins haven't decided where to go on holiday, perhaps in England.
3) Alex has gone to the cinema with his girlfriend.
4) I have seen "The Good, the bad and the Ugly": i liked it.
5) Have you ever been to France?
6) Julien has just met his friend.
7) Recently, we have had many parties with our friends.
8) What have you done during the holidays.
Explications :
Si tu n'as pas compris comment j'ai fait, il faut juste conjuguer le verbe "Have" au présent puis le verbe qui suit au participe passé. :3