Bonjour je bloque a mon exercice d'anglais :
Transformez les phrases de la voix active à la voix passive :

1.He buys a plane for his birthday.
2.They warned you.
3.You give a present to him.
4.Someone has picked my purse in my bag.
5. I can repair the car.
6. She will do her homework later.
Merci de m'aider au plus vite .