Bị động - các thì:

- Thì HTHT: 

(+) S + has/have + been + V3/ed 

(-) S + has/have + not + been + V3/ed 

(?) Has/Have + S + been + V3/ed?

- Thì QKHT:

(+) S + had been + V3/ed 

(-) S + had (not) been + V3/ed

(?) Had + S + been + V3/ed?

- Thì TLĐ:

(+) S+ will be + V3/ed

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47. The present has been opened.

48. The book hasn't been read.

49. The parcel hasn't been sent.

50. Has he been phoned?

51. The information had been received by the delegates before the recess.

52. His homework had been finished before she came.

53. The passage had been written.

54. Trees had been planted.

55. He had been told of the meeting.

56. A fight has been started.

57. The window hadn't been closed.

58. The paper hadn't been bought.

59. Had the problem been solved?

60. The papers will be received by John tomorrow.

61. Mr. Watson will be called tonight.

`color{orange}{~LeAiFuRuiHuiBao~}`