Réponse :
1. We are taught grammar by Ms. Sullivan
2. He was praised by the teacher
3. The injured were taken to the hospital by the firemen
4. The town was destroyed by an earthquake
5. The teacher was pleased by the boy's work
6. The building was damaged by the fire
7. French was taught to you by who?
8. A ticket will be given to you by the manager
9. The streets were thronged by spectators
10. We will be blamed by everyone
11. The trees were blown down by the wind
12. The thieves were caught by the police
13. The letter was posted by Alice
14. We were received by the hostess
15. The snake was killed by somebody with a stick
16. The minister was welcomed by the people
17. He was found guilty of murder by them ¨
18. This house was built by John Matthews in 1991
