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3. Ten emails have been written by my friend for 2 hours.
4. Our house is being painted by my father.
5. Some food was being bought by my sister at 11 a.m yesterday.
6. A pencil is used to draw beautiful pictures by my brother.
7. Their work had been finished before you came yesterday.
8. You will be called by me if there is any important information.
9. This flower is watered by my father every morning.
10. Fiona was invited to John's birthday party last night.
11. The dinner is being prepared in the kitchen by her mother.
12. Our teeth should be cleaned twice a day.
13. The English Grammar has been explained by our teachers.
14. The accident in this city was caused by some drunk drivers.
15. Tom's parents will be visited by him next month.
16. The secretary wasn't phoned by the manager this morning.
17. Was this beautiful dress bought by Mary?
18. These old pictures won't be hung in the living room.
19. This factory wasn't built by the German during the Second World War.
20. This house and these cars are going to be painted for Christmas Day by the Greens.
