hơi dài nhưng mog có ng giúp

`1.` A large area in Japan was destroyed by the tsunami last year.

`-` BĐ QKĐ: S `+` was/were (not) `+` PII `+` (by O)

`2.` English is spoken in many countries over the world. 

`-` BĐ HTĐ: S `+` am/is/are (not) `+` PII `+` (by O)

`3.` The house is being painted green by the workers.

`-` BĐ HTTD: S `+` am/is/are (not) `+` being `+` PII `+` (by O)

`4.` These exercises must be finished before `4` o’clock.

`-` BĐ ĐTKT: S `+` ĐTKT (not) `+` be `+` PII `+` (by O)

`5.` A new airport has been built (by them).

`-` BĐ HTHT: S `+` have/has (not) `+` been `+` PII `+` (by O)

`6.` My bike can’t be repaired (by him).

`-` BĐ ĐTKT: S `+` ĐTKT (not) `+` be `+` PII `+` (by O)

`7.` We got our house painted by some workers last week.

`-` BĐ nhờ vả: S `+` have/get (chia) `+` O (vật) `+` PII `+` (by O(người)

`8.` Tom wasn't allowed to take these books home.

`-` Cấu trúc: Allow sb to do sth `=` Let sb do sth `:` Cho phép ai làm gì ...

`->` BĐ: Be allowed to do sth (by O) `:` Được cho phép làm gì (bởi ai) ...

`10.` A better solution to this problem can’t be given.

`-` BĐ ĐTKT: S `+` ĐTKT (not) `+` be `+` PII `+` (by O)

`11.` These exercises won't be corrected by the teacher tomorrow.

`-` BĐ TLĐ: S `+` will (not) `+` be `+` PII `+` (by O)

`12.` Many people are attracted by this well-known library.

`-` BĐ HTĐ: S `+` am/is/are (not) `+` PII `+` (by O)

`13.` It is said that he is intelligent.

`-` Cấu trúc câu bị động chỉ ý kiến:

`->` CĐ: S `+` say/believe/think/ ... (chia) `+` that `+` S2 `+` V2 (chia)

`=` BĐ: It `+` be said/believed/thought/ ... `+` that `+` S2 `+` V2(chia)

`=` S2 `+` be said/believed/thought/ ... `+` to V/to have PII

`@` Chú ý: Nếu vế `2` ở thì QKĐ, hoặc khác thì ở cả `2` vế khi chuyển sang câu bị động bằng cách `2` thì sau "to" ta thêm "have PII".

`-` Nếu ở mệnh đề `2` ở câu chủ động là bị động ta có cấu trúc của `C2:`

`->` S2 `+` be said/believed/thought/ ... `+` to be PII/to have been PII

`14.` We have been taught French by Mr. Smith for `2` years.

`-` BĐ HTHT: S `+` have/has (not) `+` been `+` PII `+` (by O)

`15.` The children weren't looked after properly.

`-` BĐ QKĐ: S `+` was/were (not) `+` PII `+` (by O)

`16.` This street wasn't swept last week.

`-` BĐ QKĐ: S `+` was/were (not) `+` PII `+` (by O)

`17.` English is spoken all over the world.

`-` BĐ HTĐ: S `+` am/is/are (not) `+` PII `+` (by O)

`-` Câu bị động : 

`+)` BD `-` HTĐ : S + am / is / are + Ved / V3 + ( by O ).

`+)` BD `-` HTTD :  S + am / is / are + being + Ved / V3 + ( by O ).

`+)` BD `-` HTHT : S + have / has + been + Ved / V3 + ( by O ).

`+)` BD `-` QKĐ : S + was / were + Ved / V3 + ( by O ).

`+)` BD `-` ĐTKT : S + ĐTKT ( can, may, should, ... ) + be + Ved / V3 + ( by O ).

`+)` BD `-` TLĐ : S + will / won't + be + Ved / V3 + ( by O ).

`-` Bị động nhờ vả : S + have / get + O + Ved / V3 + ( by O ).

`-` Bị động `-` câu tường thuật : 

`@` S + say / think / believe / report / ... + ( that ) + `S2` + `V2` + `O2`.

`->` It + be + said / thought / believed / reported ... + `S2` + `V2` + `O2`.

`->` S + be + said / thought / believed / reported ... + to V`-`infi.

`1.` A large area in Japan was destroyed by the tsunami last year.

`2.` English is spoken in many countries over the world. 

`3.` The house is being painted green by the workers.

`4.` These exercises must be finished before`4` o’clock.

`5.` A new airport has been built by them.

`6.` My bike can’t be repaired by him.

`7.` We got our house painted by some workers last week.

`8.` Tom wasn't allowed to take these books home.

`10.` A better solution to this problem can’t be given.

`11.` These exercises won't be corrected by the teacher tomorrow.

`12.` Many people are attracted by this well-known library.

`13.` It is said that he is intelligent.

`14.` We have been taught French by Mr. Smith for`2`  years.

`15.` The children weren't looked after properly.

`16.` This street wasn't swept last week.

`17.` English is spoken all over the world.