Chuyển câu sang bị động 12. The professor is sure to ask me these difficult questions. 13. People say dog is faithful to human beings. 14. The teacher corrects our exercises at home. 15. They are building several new schools in our town. 16. People ought to tell us how much they expect of us. (2 passives) 17. We shall soon have to invite Aunt Mary again. 18. You cannot pump the ocean dry. 19. I can assure you I will manage everything in time. (2 passives) 20. I saw him opening the door. 21. They painted the house red. 22. Did the Queen or the Prime Minister open the Festival? 23. Who hit him? 24. Could one do it without preparation? 25. You must answer the questions on the paper. 26. People are talking about him everywhere.

12. I was sure to be asked these difficult questions by the professor.

13. Dog is said to be faithful to human beings.

14. Our exercises are corrected by the teacher at home.

15. Several new schools are being built in our town.

16. We ought to be told how much we are expected.

17. Aunt Mary shall soon have to be invited again.

18. The dry ocean cannot be pumped.

19. You can be assured that everything will be managed in time.

20. He was seen opening the door.

21. The house was painted red.

22. Was the Festival opened by the Queen or the Prime Minister.

23. By whom was he hit?

24. Could it be done without preparation?

25. The questions must be answered on the paper.

26. He is being talked everywhere.

Đáp án:

12.These difficult questions are sured to be asked me by the professor.

13.Dog is said to be faithful to human beings.

14.Our exercises are corrected at home by the teacher.

15.Several new school are being built in our town.

16.

=>We ought to be told how much they expect us.

=>We should be told how much they expect us.

17.Aunt Mary shall have to be invited again (by us)

18.The ocean cannot be pumped dry.

19.I can be assured to manage everything in time.

20.He was seen to open the door.

21.The house was painted red.

22.Was the Festival be opened by the Queen or the Prime Minister?

23.Was he hit by whom?

24.Was it done without preparation?

25.The questions must be answer on the paper.

26.He is being talked everywhere.

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