Bonjour
Le present perfect est simple à former
HAVE au présent (has/have) + participe passé de la Base Verbale
But I have never skied in my life !
Have you ever done..?
.. but no I haven't.
You say that, but I have taken a ski-lift before...
Have you ever roller-skated or have you ever been on a hoverboard ?
Yes, I have, but that's different!
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Les réponses tags ou réponses courtes n'utilisent que l'auxiliaire et le sujet..
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Bonne journée