Réponse:
Pour former le Present Perfect on a :
Have + participe passé du verbe
*participe passé = (la troisième colonne du tableau des verbes irréguliers)
** terminaison en -ed pour les verbes réguliers
1. I have studied...
2. She has eaten...
3. They have been...
4. We have read...
5. He has lived...
6. You have known...
7. We have been...
8. I have lost...
9. He has drunk...
10. They have missed...
