ai còn thức giúp mình với ạ

`-` Cấu trúc như ảnh đã cho 

`1`. The bills must be paid before the fifth of month by him.

`2`. That box hasn't been opened for the past hundred years.

 `3`. The boy screamed while one of his teeth was being pulled out by the dentist.

`4`. Many houses have been destroyed by the fire.

`5`. The chairs are being carried into the house by the children.

`6`. He was awarded the Nobel Prize for medicine in`1946`.

`7`. He was seen to leave the office at`6` o'clock this morning.

`-` Câu bị động ( động từ chỉ giác quan): S+ be+ Vpp+ to V+ [ by O]+... ( nếu động từ thứ `2` trong câu chủ động ở dạng nguyên mẫu)

1. The bills must be paid before the fifth of month.

- Bị động ĐTKT : S + ĐTKT + be + PII ( by O )

2. That box hasn't been opened for the past hundred years.

- Bị động HTHT : S + has/have (not) + been + PII ( by O )

- Chủ ngữ là đại từ bất định "no one" `->` Câu bị động ở dạng phủ định

3. The boy screamed while one of his teeth was being pulled out by the dentist.

- Bị động QKTD : S + was/were + being + PII ( by O )

4. Many houses have been destroyed by the fire.

- Bị động HTHT : S + has/have + been + PII ( by O )

5. The chairs are being carried into the house by the children.

- Bị động HTTD : S + is/am/are + being + PII ( by O )

6. He was awarded the Nobel Prize for medicine in 1946.

- Bị động QKD : S + was/were + PII ( by O )

7. He was seen to leave the office at 6 o'clock this morning.

Bị động với động từ chỉ giác quan : see, hear, ... `->` S + be + PII + to V ( by O )

see sb do sth : thấy ai làm gì `->` (sb) be seen to do sth : được nhìn thấy làm gì