24. By whom had you to be told about it?

25. By whom this work can be done?

26. The question can be answered by me.

27. Could the door be locked by Jenny?

28. This castle was built in 1756.

29. My car has been repaired by the mechanic.

30. He will be obeyed, don't worry!

31. The kitchen is being painted.

32. Everything for the party had been prepared 

33. This novel was written by Hemingway in 1932

34. Such shirts are made in China

35. Their cameras mustn't be taken inside the factory

36. The flowers have been watered by the gardener.

37. My work was finished at 2pm

38. All flight were cancelled because of the fog.

39. The computer is being used by Bill at the moment.

40. Designers are paid a lot of money

41. When was your kitchen decorated?

42. Something must be done before it's too late.

43. This dictionary isn't used very often

 

46. Oil has been found in the Antartic

47. Mary was given this present an hour ago

48. Has this telephone been repaired?

49. I was told that your teacher was sick

50. I was met by her.

51. Their work has been finished by the students.

52. TV was watched late last night

53. Their grandma will be visited tomorrow.

63. Their crops were harvested on the farm by the farmers.

64. A cake will be made on her birthday

65. Exercises are being done at the moment

66. Was your English homework done by you and Lan?

67. By whom were you told about this news?

69. The job for this company can't be applied by anyone 

68. Cakes weren't eaten at the party

70. English is spoken all over the world

71. Her bike has just been repaired by her father

72. Those baskets can't be emptied, please

73. At that time dinner was being cooked by me.

74. He is let going out alone

75. Which unit is taught today?

76. Food for my mother used to be bought by me.

77. Party is going to be held next week.

 

Bạn xem qua kiến thức về câu bị động sau đó áp dụng để làm bài nha 
Chuyển đổi câu chủ động sang bị động trong thì tiếng Anh (Tense) 

 

Hiện tại đơn

S + V(s/es) + O

=> Passive voice: S + am/is/are + P2

Hiện tại tiếp diễn

S + am/is/are + V-ing +
=> S + am/is/are + being + P2

Hiện tại hoàn thành

S + have/has + P2 + O

=> S + have/has + been + P2

Quá khứ đơn

S + V(ed/Ps) + O

=> S + was/were + P2

Quá khứ tiếp diễn

S + was/were + V-ing + O

=> S + was/were + being + P2

Quá khứ hoàn thành

S + had + P2 + O

=> S + had + been + P2

Tương lai đơn

S + will + V-infi + O

=> S + will + be + P2

Tương lai hoàn thành

S + will + have + P2 + O

=> S + will + have + been + P2

Tương lai gần

S + am/is/are going to + V-infi + O

=> S + am/is/are going to + be + P2

Động từ khuyết thiếu

S + ĐTKT + V-infi + O

=> S + ĐTKT + be + P2

Các bước chuyển đổi từ câu chủ động sang câu bị đông

Bước 1: Xác định tân ngữ trong câu chủ động, chuyển thành chủ ngữ câu bị động.

Bước 2: Xác định thì (tense) trong câu chủ động rồi chuyển động từ về thể bị động như hướng dẫn ở trên.

Bước 3: Chuyển đổi chủ ngữ trong câu chủ động thành tân ngữ thêm “by” phía trước. Những chủ ngữ không xác định chúng ta có thể bỏ qua như: by them, by people….
Nguồn: anhngumshoa.com
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Mình sẽ làm vài câu, những câu còn lại bạn tự làm nhé !
24. By whom had you to be told about it ?
25. By whom can this work be done ?
26. The question can be answered by me
27. Could the door locked by Jenny ?
28. This castle was built in 1756
29. My car has been repaired by the mechanic
30. He will be obeyed by them
31. The kitchen is being painted by them 
32. Everything had been prepared for the party
33. This novel was written by Hemingway in 1932
34. Such shirts are made in China
35. Their cameras must not be taken inside the factory