bonsoir pourriez vous m'aide a cette exercice d'anglais svp je ne comprend pas merci et bonne soire ( Pas besoins manuel )

Hello

1. Bob has travelled a lot in America.
2. He has cut his finger. It's bleeding !
3. I have visited London.
4. Have you ever fallen in love ?
5. You have swept the floor : it's nice and clean !
6. I have never dived from a springboard.
7. Has a teacher ever hit you ?
8. He has never held a baby in his arms.

Voilà j'espère avoir pu t'aider ^^