11. They clean the floor every morning. -> The floor ___is cleaned every morning__________

12. They will solve the problem soon. -> The problem ______will be solved soon_________

13. They break the glass into small pieces. -> The glass _______is broken into small pieces__________

15. They made these cars in the USA. -> These cars ____was made in the USA____________

16. People have used the Internet all over the world. -> The Internet ___has been used all over the world___

17. We planted many trees in the school garden. -> Many trees ___were planted in the school garden____

18. Someone has taken my book away. -> My book _____has been taken away___________

19. He didn't help me with my homework. -> I ____wasn't helped with my homework______

20. We have learnt English for three years. -> English ______has been learnt for three years_____

21. My father often reads books before bedtime . -> Books .......are read by my father before bedtime.....................

22. Lan bought some comic books for her brother . -> Some comic books ......were bought by Lan for her brother.............

23. My sister received a letter yesterday . -> A letter ........was received by my sister yesterday..........

24. She can solve the problem in just 2 minutes . -> The problem ...........can be solved in just 2 minutes..............

25. Nowadays people use electricity for lighting. -> Electricity .......is used for lighting................................

1. People grow rice in many countries in the world. -> Rice ____is grown in many countries in the world ________

2. Graham Bell invented the telephone many years ago. -> The telephone ____was invented by Graham Bell many years ago_

3. They have used this car for many years. -> This car _____has been used for many years_______________________

4 , Lan praces English every day. -> English ___is praced by Lan everyday_________________________________

5. They will take the garbage out of the city. -> The garbage ____will be taken out of the city_________________________

6. Mary sent me this letter two days ago. -> I ____was sent this letter by Mary two dáy ago_______

7. People make compost from vegetables. -> Compost ____is made from vegetables___________

8. You must finish this work before Sunday. -> This work ____must be finished before Sunday_________

9. She hasn't used this bicycle for a long time. -> This bicycle ___hasn't been used for a long time_____

10. I saw a strange man in my garden yesterday. -> A strange man _____was seen in my garden yesterday_ 

1. Rice is grown in many countries in the world.

2. The telephone was invented by G.Bell many years ago.

3. This car has been used for many years.

4. English is praced by Lan every day.

5. The garbage will be taken out of the city.

6. I was sent a letter by Mary two days ago.

7. Compost is made from vegetables.

8. This work must be finished before Sunday.

9. This bicycle hasn't been used for along time.

10. A strange man was seen in my garden yesterday.

11. The floor is cleaned every morning. 

12. The problem will be sold soon.

13. The glass is broken into small pieces.

15. These cars were made in the USA.

16. The Internet has been used all over the world.

17. Many trees were planted in the school garden.

18. My book has been taken away.

19. I wasn't helped with my homework.

20. English was learned for 3 years.

21. Books are often read by my father before bedtime.

22. Some comic books were bought by Lan for her brother

23. A letter was received by my sister yesterday.

24. The problem can be solved in 2 minutes.

25. Electricity is used for lighting nowadays.

k mik nha

Ex 1.

a. The artifical flowers are made of silk.

b. Corns are grown in many countries. 

Ex 2. 

a. from

b. in

Write the sentences in passive voice:
1.They recylce paper in fsctories

paper is recycled in factories
2.We don\'t use the machine very often

the machine isn't used very often
3. No one locks the door

the door isn't locked
4. My friend sent me a letter two days ago

i was sent a letter by my friend two days ago

Write these sentences into passive voice

1) Who bought these shirts?

Who were these shirts bought by ?

2) People hasn't swept this street for three these days

This street hasn't been swept for three days.

3) He will make his son do the housework tomorrow

His son will be made to do the housework tomorrow by him

4) My father is going to repair the car this afternoon

The car is going to be repaired this afternoon by my father .

1 the  glass is washed with a detergent liquid

2 tire should be recycled to make pipes and floor covering

3 was paper used to make these toys

1.The wash the glass with a detergent liquid.

=> The glass was washed with a detergent liquid

 2.People can recycle tirew to make pipes and floor coverings.

=> Ties can be recycled to make pipes and floor coverings

 3.Did they use paper to make these toy?

=> Was paper used to make these toy?

1. Nam uses facebook on the phone every evening.  

……………Facebook is used on the phone by Nam every evening…………………….…………………………………………………….

2. The workers built our house two years ago.

……………Our house was built by the workers two years ago…………………………………………………………………………..

3. They often buy new clothes for our children on Tet.

………………New clothes are often bought for our children on Tet………………………………………………………………………..

4.  My mother has eaten some Pizza at that store many times.  

………………Some pizza has been eaten at that store by my mother many times….……………………………………………………………….……

5. Her father doesn’t surf the internet every morning.  

……………The Internet isn't surfed by my father every morning …………………….…………………………………………………….

6. What way do you use for communicating ?

  ……………………What way is used for communicating by you?…………………………………..……….……………………

--------------------------------

-Bị động hiện tại đơn: S+am/is/are+PII+(by O)+...

-Bị động hiện tại hoàn thành: S+has/have+been+PII+(by O)+.........

-Bị động quá khứ đơn: S+was/were+PII+(by O)+.......

\(\text{⩷!⨙┏⇴⨗⨜}\)

1. Mary types letters in the office. .........Letter are typed in the office by Mary................................................................................................................................ 2. His father will help you tomorrow. ......You will be helped by his father tomorrow................................................................................................................................... 3. Science and technology have completely changed human life. ..............Human life has completely been changed by science and technology........................................................................................................................... 4. Peter broke the window yesterday. .................The window was broken by Peter yesterday........................................................................................................................ 5. They are learning English in the room. ...............English is being learned in the room...................................................................................

1. Luckily for me, they didn't call my name.
=>.........Luckily for me, my name wasn't called......................................................

2. People always admire this picture.
=>.........This picture is always admired.............................................

3. She expected us to offer her a job.
=>........We were expected offer her a job...............................................

4. Nobody knows anything about his family.
=>..........Nothing about his family is known......................................................

5. The Greens has a carpet cleaner clean their carpet.
=>.......The Greens had their carpet cleaned by a carpet cleaner..........................................................................

6. Does anyone answer my question?
=>.........Is my question answered.............................................

7. He uses milk for making butter and cheese.
=>......Milk is used for making butter and cheese...............................................................

8. She will have a veterinary surgeon examine her dog.
=>.........She will have her dog examined by a veterinary surgeon .........................................................................