47. Beer was used to drunk for breakfast in England years ago.

48. 3 shirts can be sewn a day by her.

49. She is considered to be the best singer. 

50. This room hasn't been used for ages.

51. An article is being translated into Vietnamese by me. 

52. He was said to have swallowed a safety pin.

53. I am being followed.

54. Our students will be assigned to different jobs by the State.

55. The letter was read again and again by her last night.

56. This is the first time we have been written to about this.

 __Công thức đổi câu chủ động -> bị động :__

Hiện tại đơn

S + V(s/es) + O

S + am/is/are + P2

Hiện tại tiếp diễn

S + am/is/are + V-ing + O

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

@minhanhhadinh

học tốt =)))