Rewrite the sentences in Passive Voice:
1. I clean my room every day.
2. Tom bought a nice present yesterday.
3. Ann will sing a beautiful song.
4. Ben repaired my computer yesterday.
5. My sister is making a tasty cake now.
6. We have bought tickets to the concert.
7. Helen teaches French at school.
8. They grow strawberries every year.
9. Tim sent an SMS to his friend.
10. She has written a test today.
11. They visited that museum yesterday.
12. I am watching a football match now.