Giúp mik chuyển những câu này sang dạng bị động

`-` BĐ :

`+` QKĐ : S + was / were + VpII ( by O )

`*` I , He , She , It `+` was

`*` You , We , They `+` were

`+` HTTD : S + is / am / are + being + VpII ( by O )

`*` I `+` am

`*` He , She , It `+` is

`*` You , We , They `+` are

`15`.The money was returned by John last night

`16`.The room was filled by 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

`22`.The other members are being called by John

`23`.A new procedure is being developed by the company

`24`.Who are being kept in the kitchen ?

`25`.What books are being read this year ?

`26`.The cows are being milked by Nam

`27`.The car is being washed by my father

`28`.A cup of tea is being drunk by Sheila

`29`.The cake is being cut with sharp knife by Mary

`\text{# TF}`

Bị động - các thì :

- Thì QKĐ: S + was/were + V3/ed 

- Thì HTTD:

(+) S + am/is/are + being + V3/ed 

(?) (Wh) + am/is/are + S + being + V3/ed?

--------------------------------------------------------------

15. The money was returned by John last night.

16. The room was filled by 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.

22. The other members are being called by John.

23. A new procedure is being developed by the company.

24. Who is being kept in the kitchen?

25. What books are being read this year?

26. The cows are being milked by Nam.

27. The car is being washed by my father.

28. A cup of tea is being drunk by Sheila.

29. The cake is being cut with sharp knife by Mary.

`color{orange}{~LeAiFuRuiHuiBao~}`