chuyển câu chủ động sang bị động ( thì hiện tại đơn hoặc quá khứ đơn )

          cấu trúc chung của câu bị động :   be + p2 

cấu trúc bị động thì hiện tại đơn 

                    S + tobe + ved/ p2 

cấu trúc bị động thì quá khứ đơn 

                  S + were / was + ved / p2 

=>
1. Her dog is often taken for a walk.
-> bị động HTĐ is/am/are V3/ed
2. Our written work was returned to us by the teacher.
-> bị động QKĐ was/were V3/ed
3. Her report was finished an hour ago.
-> bị động QKĐ was/were V3/ed
4. He was ordered to take a long rest by the doctor.
-> bị động QKĐ was/were V3/ed
5. Tom wasn't allowed to take these books home.
-> bị động QKĐ was/were (not) V3/ed
6. Minh Mang tomb was constructed in 1841.
-> bị động QKĐ was/were (not) V3/ed
7. They are taught French by Mr. Smith this year.
-> bị động HTĐ is/am/are V3/ed
8. The children weren't looked properly.
-> bị động QKĐ was/were (not) V3/ed
9. This street wasn't swept last week.
-> bị động QKĐ was/were (not) V3/ed
10. Much tea is drunk in England.
-> bị động HTĐ is/am/are V3/ed
11. English is spoken all over the world.
-> bị động HTĐ is/am/are V3/ed
12. Was this beautiful dress bought by Mary?
-> bị động QKĐ was/were S V3/ed?
13. Da Nhim Lake was built in 1962.
-> bị động QKĐ was/were (not) V3/ed
14. This flower is watered by my father every morning.
-> bị động HTĐ is/am/are V3/ed
15. Fiona was invited to John's birthday party last night.
-> bị động QKĐ was/were (not) V3/ed
16. The secretary wasn't phoned by the manager this morning.
-> bị động QKĐ was/were (not) V3/ed