14. The thief was captured easily by the police.

15. The money was returned by John last night.

16. The room was filled by smoke.

17. That book was took from the desh by Bob.

18. A dancing class was started last week.

19. The accident was seen by Mr. Smith.

20. Our written work was returned to us by the teacher.

21. For the time being, that group is being taught by Alice.

* Câu bị động:

   - QKĐ: S + Were/Was + P2 (By O).

   - HTTD : S + am/is/are + being P2 (By O).

      Chúc bạn học bài tốt nha !!

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14. The thief was captured easily by the police.

15. The money was returned by John last night.

16. Thr oom was filled with smoke.

17. That book was taken from the desk by Bob.

18. A dancing class was started last week.

19. The accident was seen by Mr. Smith.

20. Our written work was returned to us by the teacher.

21. For the time being, that group is being taught by Alice.

Bị động QKĐ: S was/were V3/ed (by O)

Bị động HTTD: S is/am/are being V3/ed (by O)