Ex1:
1. This flower is watered by my father every morning
2. Fiona was invited to John's birthday party by him last night
3. The dinner is being prepared in the kitchen by her mother
4. our teeth should be cleaned twice a day
5. the english grammar have been explained by our teacher
6. the accident was caused in this city by some drunk drivers
7. Tom's parent will be visited next month
8. the secretary wasn't phoned by the manager this morning
9. was this beautiful dress bought by Mary?
10. these old pictures won't be hang in the living room
11. this factory wasn't built by the german during the second world war
12. This house and these cars are going to be painted for christmas day by the greens
13. the cats had been fed by Ann before she went to the cinema
14. the pollution problems have been discussed by the students since last week
15 has the most valuable painting been stolen in the national museum by the thieves
16. the new president will be interviewed on tv
17. How many language are spoken in canada
18. are those shoes going to be repaired
19. his nose has been broken in a football match
20. have the above sentences been finished
