Bonjour,
Réponse :
a. I have visited New-York but I have never been to Canada.
b. My brother has tried surfing before but he hasn’t tried windsurfing yet.
c. My two best friends have never seen the Star Wars films! Can you believe it?
d. Have you ever watched a horror movie?
Explications :
Present perfect :
Forme affirmative:
has / have + participe passé
Forme négative:
hasn't / haven't + participe passé
Forme interrogative:
Has / Have + sujet + participe passé
