1. Mary types letters in the office.
-> Letters are typed by Mary in the office
2. His father will help you tomorrow.
-> You will be helped by his father tomorrow
3. Science and technology have changed human life.
-> Human life has been changed by science and technology
4. Peter broke this bottle.
-> This bottle was broken by Peter
5. They are learning English in the room.
-> English is being learnt in the room ( by them)
6. Nothing can change my mind.
-> My mind can not be changed (by anything)
7. No one had told me about it.
-> I hadn't been told about it
8. I buy 2 newspapers and 1 magazine everyday.
-> 2 newspaper and 1 magazine are bought everyday ( by me)
9. My students will bring the children home.
-> The children will be brought home by my students
10. We should keep the room tidy.
-> The room should be kept tidy
11. She gave us more information.
-> More information was given by her
12. The chief engineer was instructing all the workers of the plan.
-> All the workers were being instructed of the plan by the chief engineer
13. We plant many flowers in the garden.
-> Many flowers are planted in the garden
14. Somebody has taken some of my books away.
-> Some of my books have been taken away
15. They will hold the meeting before May Day.
-> The meeting will be held before May Day.
16. They have to repair the engine of the car.
-> The engine of the car had to be repaired
17. The boys broke the window and took away some pictures.
-> The window was broken and some pictures were taken away by the boys
18. People spend a lot of money on advertising every day. ->
A lot of money is spent on advertising everyday .
19. Teacher is going to tell a story.
-> A story is going to be told by the teacher .
20. Mary is cutting a cake with a sharp knife.
-> The cake is being cut with a sharp knife by Mary .
21. The children looked at the woman with a red hat.
-> The woman with a red hat was looked at by the children
22. They have provided the victims with food and clothing.
-> The victims have been provided with food and clothes
23. People speak English in almost every corner of the world.
-> English is spoken in almost every corner of the world
24. The children drink 30 bottles of milk every month.
-> 30 bottles of milk are drunk by the children every month
25. After class, one of the students always erases the chalk board.
-> After class, the chalk board are always erased by one of the students
26. She learns Chinese at school.
-> Chinese is learnt at school by her.
27. Hurricanes destroy a great of property each year.
-> A great of property is destroyed by hurricanes each year
28. They are cleaning the room at the moment.
-> The room is being cleaned at the moment
29. They were cleaning the room when I came yesterday.
-> The room was being cleaned when i came yesterday
30. The company has ordered some new machines.
-> Some new machines have been ordered by the company
II
1. I don’t know her telephone number.
-> Her telephone number isn't known
2. They can’t make tea with cold water.
-> Tea can't be made with cold water
3. You mustn’t use this machine after 5:30 p.m.
-> This machine mustn't be used after 5:30p.m
4.I won’t hang these old pictures in the living room.
-> These old pictures won't be hung in the living room
5. The German didn’t build this factory during the Second World War.
-> This factory wasn't built by the German during the Second World War
6. She didn't make the moon cakes last week.
-> The moon cakes weren't made by her last week
7. He doesn't meet them in her school everyday.
-> They aren't met in her school by him everyday
8. Anna won't wtite a letter.
-> A letter won't be written by Anna
9. The workers haven't decorated their building yet.
-> Their building haven't been decorated by the workers yet
10. The police hasn't arrested a burglar.
-> A burglar hasn't been arrested by the police
11. Two people aren't cooking dinner on the beach.
-> Dinner isn't being cooked on the beach by 2 people
12. Tina isn't doing grammar exercises.
-> Grammar exercises aren't being done by Tina
13. At this time last year, they weren't building this house.
-> At this time last year, this house wasn't being built
14. I wasn't chatting with my friends while my teacher was teaching the lesson yesterday.
-> My friends weren't being chatted with me while the lesson was being taught by my teacher yesterday
15. After the children hadn't finished their homework, they went to bed.
-> After the children's homework hadn't been finished by them, they went to bed
16. When she hadn't done her work she went to the cinema.
-> When her work hadn't been done, she went to the cinema
17. I am not going to watch films with my friend because I am sick.
-> My friends are not going to be watched films with me because i'm sick
18. My sister isn't going to cook a delicious meal for dinner.
-> A delicious meal for dinner isn't going to be cooked by my sister
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