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`7` Many accidents are caused by careless driving.

`8` This room isn’t used very often.

`9` How are languages learnt (by her)?

`10` Meals are cooked for us by my mom.

`**` Bị động thì hiện tại đơn :

`(+)` S + am/is/are + PII + (by O)

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

`(?)` Am/Is/Are + S + PII + (by O)?

`@` Lưu ý :

- I : am

- You, we, they, danh từ số nhiều : are

- She, he, it, danh từ số ít : is

`II`

`1`, The house was built last year.

- build - built - built : xây dựng

`2`, This man was met in the park when I was jogging.

- meet - met - met : gặp

`3`, The village was damaged by the storm.

`4`, A lot of workers in the local area were employed by the company.

`5`, I was waked up by the noise this morning.

- wake - woke/ waked - woken/ waked 

`6`, I was advised to go to university by my father.

`**` Bị động thì quá khứ đơn :

`(+)` S + was/ were + PII + (by O)

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

`(?)` Was/ Were + S + PII + (by O)?

`@` Lưu ý :

- I, she, he ,it, danh từ số ít : was

- You, we, they, danh từ số nhiều : were

`*` by O đứng sau trạng từ chỉ nơi chốn, trước trạng từ chỉ thời gian.

`*` Chủ thể của hoạt động là đại từ nhân xưng, đại từ bất định, các từ chúng chung, không rõ thì không cần thêm by O

`7,` Many accidents are caused by careless driving.

`8,` This room isn't used very often.

`9,` How are languages learned by her?

`10,` Meals are cooked for us by my mom.

`@` Câu bị động thì HTĐ:

`+)` S + is/am/are + Vpp + (by O)

`-)` S + is/am/are + not + Vpp + (by O)

`?)` Is/am/are + S + Vpp + (by O)?

`II.`

`1,` The house was built last year.

`2,` This man was met in the park when I was jogging.

`3,` The village was damaged by the storm.

`4,` A lot of workers in the local area were employed by the company.

`5,` I was woken up by the noise this morning.

`6,` I was advised to go to university by my father.

`@` Câu bị động thì QKĐ: 

 `+)` S + was/were + Vpp + (by O)

`-)` S + was/were + not + Vpp + (by O)

`+)` Was/were + S + Vpp + (by O)?

`@` Chú ý:

- Trạng từ chỉ nơi chốn đứng trước by , trạng từ chỉ thời gian đứng sau by.

- Nếu ở câu chủ động chủ ngữ là they , people , someone , somebody , no one , nobody , ... thì khi chuyển về câu bị động không dùng by O. 

- Nếu ở câu chủ động chủ ngữ là he , she , you , we , ... thì khi chuyển về câu bị động có thể dùng hoặc không dùng by O.