=>
1. Her telephone number isn't known by me.
-> bị động HTĐ is/am/are (not) V3/ed
2. Tea can't be made with cold water.
-> can't be V3/ed
3. This machine mustn't be used after 5:30 p.m.
-> mustn't be V3/ed
4. These old pictures won't be hung in the living room.
-> won't be V3/ed
5. This factory wasn't built by the German during the Second World War.
-> bị động QKĐ was/were (not) V3/ed
6. The moon cakes weren't made by her last week.
-> bị động QKĐ was/were (not) V3/ed
7. They aren't met in her school by him every day.
-> bị động HTĐ is/am/are (not) V3/ed
8. A letter won't be written by Anna.
-> won't be V3/ed
9. Their building hasn't been decorated by the workers yet.
-> bị động HTHT have/has (not) V3/ed
10. A burglar hasn't been arrested by the police.
-> bị động HTHT have/has (not) V3/ed
11. Dinner isn't being cooked on the beach (by two people).
-> bị động HTTD is/am/are (not) being V3/ed
12. Grammar exercises aren't being done by Tina.
-> bị động HTTD is/am/are (not) being V3/ed
13. This house wasn't being built at this time last year.
-> bị động QKTD was/were (not) being V3/ed
14. My friends weren't being chatted with while my teacher was teaching the lesson yesterday.
-> bị động QKTD was/were (not) being V3/ed
15. After their homework hadn't been finished by the children, they went to bed.
-> bị động QKHT had (not) been V3/ed
16. When her work hadn't been done, she went to the cinema.
-> bị động QKHT had (not) been V3/ed
17. Films aren't going to be watched with my friend because I am sick.
-> is/am/are (not) going to be V3/ed
18. A delicious meal isn't going to be cooked for dinner by my sister.
-> is/am/are (not) going to be V3/ed