Bonjour,
Réponse :
I've never eaten snails.
She has already finished her homework.
We have never been to New York.
The have always told the truth.
I've just written a letter.
Have you ever been to Japan?
Explications :
PRESENT PERFECT ( have + -en )
have / has + participe passé.
Attention à la place de l'adverbe de fréquence.