Bonjour,
Réponse :
a. How long have you waited to go to the Comic-Con?
b. I’ve looked for 2 hours, but I haven’t been able to find my sword!
c. Have you spent all day at the convention?
d. Haven’t you read Naturo twice already?
e. Have you changed it? Yes, my costume was horrible!
Explications :
PRESENT PERFECT
Forme affirmative:
sujet + have/has + participe passé
Forme négative:
sujet + haven't/hasn't + participe passé
Forme interrogative:
Have/Has + sujet + participe passé ...?
Forme interro-négative :
Haven't/Hasn't + sujet + participe passé ...?