Làm giúp mình chuyển từ câu chủ động sang bị động này với ạ , vì mình nhiều bài tập quá ( mình đăng bài này lần 2 rồi ạ) thank mn nhiều lắm ạ

Công thức - bị động:

- S + need + Ving

- Thì QKTD: S + was/were +being + V3/ed 

- Thì TLĐ:

(+) S + will be + V3/ed 

(?) Will + S + be + V3/ed?

- Thì QKĐ: S + was/were + V3/ed 

- Thì QKHT: S + had been + V3/ed 

- S + will have been + V3/ed 

- Thì HTĐ: S + am/is/are  + V3/ed 

- Thì HTHT: S + has/have + been + V3/ed

- Thì HTTD: S + am/is/are + being + V3/ed 

- S + has/have + to be + V3/ed 

- S + should be + V3/ed 

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34. A thank - you letter needs writing when you come home.

35. All the workers of the plant were being instructed by the chief engineer.

36. Will the ceremony be held at the square next week?

37. A physical experiment was being done when I was there.

38. I wasn't told that they had discharged John from hospital.

39. The victim had been taken to hospital before the police came.

40. By the time you come back, the project will have been finished.

41. By the time you come back here in 5 years' time, those houses will have been knocked down.

42. Our house is looked after when we are on business.

43. The floor has just been swept and the dishes have been washed by my sister.

44. I didn't realize that our conversation was being recorded.

45. A new highway is being built around the city.

46. Seafood is served by the restaurant every Monday.

47. Mary has to be told about our change in plans.

48. Nothing was explained about that.

49. Their complaints should be sent to the head office.

50. Two very difficult exercises were given to us by the teacher.

51. He was given a present by his colleagues when he retired.

52. You will be sent the results as soon as they are ready.

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