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11.Mr . Brown is loved by everybody.
12. A new stadium is being built near the station.
13. the princess was eaten by the wolf.
14. A story was being told by someone at six o'clock.
15.All the milk has been drunk by somebody.
16. All the windows had been cleaned by me before the storm.
17. The computer will be repaired by a workman tomorrow.
18. The Passive will have been studied by the students by next year.
19. Dinner might be cooked by James.
20. My wallet must have been taken by somebody.