ai giúp mình với Chuyển các câu phủ định sau sang câu bị động. 1. I don’t know her telephone number. 2. They can’t make tea with cold water. 3. You mustn’t use this machine after 5:30 p.m. 4. I won’t hang these old pictures in the living room. 5. The German didn’t build this factory during the Second World War. 6. She didn't make the moon cakes last week. 7. He doesn't meet them in her school everyday. 8. Anna won't wtite a letter. 9. The workers haven't decorated their building yet. 10. The police hasn't arrested a burglar. 11. Two people aren't cooking dinner on the beach. 12. Tina isn't doing grammar exercises. 13. At this time last year, they weren't building this house. 14. I wasn't chatting with my friends while my teacher was teaching the lesson yesterday. 15. After the children hadn't finished their homework, they went to bed. 16. When she hadn't done her work she went to the cinema. 17. I am not going to watch films with my friend because I am sick. 18. My sister isn't going to cook a delicious meal for dinner.

1.Her telephone number is not known.
2.Tea can not be made with cold water.
3.This machine must not be used after 5:30 p.m.
4.These old pictures will not be hanged in the living room.
5.This factory was not built by The German during the Second World War.
6.The moon cakes were not made by her last week.
7.They are not met in her school by him everyday.
8.A letter will not be written by Anna.
9.The workers' buiding has not been decorated by them yet.
10.A burglar has not arrested by the police.
11.Cooking dinner is not being cooked by two people on the beach.
12.Grammar exercises is not done by Tina.
13.This house was not being built at this time last year.
14.My friend was not chatted with me while the lesson was being taught by my teacher yesterday.
15.After the children's homework had not been finished,they went to bed. 
16.When her work had not been done , she went to the cinema.
17.The films is not going to be watched with my friend by me because of my sickness.
18.A delicious meal is not going to be cooked for dinner by my sister.

1. her telephone number isn't known
2. tea cann't be made with cold water
3. this machine mustn't be used after 5:30 p.m
4. these old pictures willn't be hanged in the living room
5. this factory wasn't built by the german during the second world war
6. the moon cakes weren't made by her last week
7. they aren't met in her school by him everyday
8. a letter willn't be written by anna
9. the workers' buiding hasn't been decorated by them yet
10. a burglar hasn't arrested by the police
11. cooking dinner isn't being cooked by two people on the beach
12. grammar exercises isn't done by Tina
13. this house wasn't being built at this time last year
14. my friend wasn't chatted with me while the lesson was being taught by my teacher yesterday
15. after the children's homework hadn't been finished,they went to bed
16. when her work hadn't been done , she went to the cinema
17. the films isn't going to be watched with my friend by me because of my sickness
18. a delicious meal isn't going to be cooked for dinner by my sister

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