Their motobike was sold yesterday

1. All the papers have been signed.
2. Your letter will be posted when the ship arrives.
3. Their car has been sold to pay their debts.
4. We were asked many questions about our country.
5. Something should be done about these serious problems.
6. Cancer cells can be killed accurately and effectively by the laser beam.
7. The laser has been tested against satellites by military scientists.
9. When was this new treatment used ?
10. The big machine in the yard is called a combine harvester.

1 All the papers have been signed 

2 Your letters will be posted when the ship arrives

3 Their car has been sold to pay their debts

4 We were asked many questions about our country

5 Something should be done about these serious problems

6 Cancar cells can be killed accuracily and effectively by the laser bean

7 The laser is being used by the doctors to cure her birthmark

8 The laser has been tested against satellites by military scientists

9 When was this new treatment used 

6 The big machine in the yard is called a combine harvester

Passive voice:

1. My sister gave me a new pair of jeans on my fifteenth birthday.

-> I was given a new pair of jeans on my fifteenth birthday by my sister.

2. They have sold their car to pay their debt.

-> Their car has been sold to pay their debt.

3. Did people make jeans two hundred years ago?

-> Were jeans made two hundred years ago?

4. He sent me a letter yesterday.

-> I was sent a letter yesterday.

5. We did our homework two days ago.

-> Our homework was done two days ago.

6. Did she finish the work yesterday?

-> Was the work finished yesterday?

7. What did they do last night?

-> What was done last night?

8. I had written two letters before.

-> Two letters had been written by me before.

9. He had bought a new car

-> A new car had been bought.

10. We have done 4 tests since last week

-> 4 tests have been done since last week.

19. Their exercises are done everyday.

20. Their car will be sold next month.

21. This air ticket is ordered for Emma’s mother by her.

22. The Christmas cards have been sent to her family by her.

23. His relatives were left seven million dollars by him.

1. I was given a new pair of jeans by my sister on my fifteenth birthday.

2. A supermarket is being built on our street.

3. The animal is fed twice a day .

4. Their car has been sold to pay their debt.

5. Flowers are being grown in front of the garden.

Có mấy chỗ bạn chép sai nhá

A computer is used to do that job.

A lot of money was paid to me by her to buy this house.

Books were borrowed by the children from the library yesterday.

The car and the motorbike are washed everyday by her father.

Many exercised were gave to use last week.

The furniture could be fixed by the boy in the kitchen.

The street children in this hall were used to teach by Mai.

A computer is used to do that job.

A lot of money was paid to me by her to buy this house.

Books were borrowed by the children from the library yesterday.

The car and the motorbike are washed by her father everyday.

Many exercised were given to us last week.

The furniture in the kitchen could be fixed by the boy.

The street children in this hall used to be taught by Mai.

1. My sister gave me a new pair of jeans on my fifteenth birthday.

º ………I was given a new pair of jeans by my sister on my fifteenth birthday.…………………………………………………………………

2. They have sold their car to pay their debt.

º ……Their car has been sold to pay their debt.……………………………………………………………………

3. We are going to grow flowers in the front garden.

º …………Flowers are going to be grown in the front garden. ………………………………………………………………

4. You mustn’t use this machine after 5.30 pm.

º …………This machine mustn't be used after 5.30pm………………………………………………………………

5. My grandmother is knitting a new sweater for me.

º ……A new sweater is being knitted for me by my grandmother……………………………………………………………………

6. Did people make jeans two hundred years ago?

º ……Was jeans made 2 hundred years ago ?……………………………………………………………………

7. We don’t use this kind of cloth to make shirts.

º ………This kind of cloth doesn't be used to make shirts.…………………………………………………………………

8. Vietnamese womencontinue to wear the unique and fashionable ao dai.

º …………The unique and fashionable ao dai is continued to be worn by Vietnamese women.………………………………………………………………

9. We will hold  a farewell party Next Sunday.

º ……A farewell party will be held next Sunday……………………………………………………………………

10. Tornado had damaged hundreds of home when rescue team arrived.

º ………Hundreds of home had been damaged by tornado when rescue team arrived.…………………………………………………………………

Exercise 4. Change in to the opposite voice.

1. How many trees did they cut down to build that fence?

º ………How many trees were cut down to build that fence?…………………………………………………………………

2.  My cousin will meet you at the station.

º ……You will be met at the station by my counsin……………………………………………………………………

3. A great deal of tea is drunk in England.

º ………People drink a great deal of tea in England…………………………………………………………………

4. The doctor pulled out one of my teeth yesterday morning.

º ………One of my teeth was pulled out yesterday morning.…………………………………………………………………

5. They have to pick fruit very early in the morning.

º … The fruit has to be picked very early in the morning.………………………………………………………………………

6. The My Dinh National Stadium was opened on September 2nd , 2003.

º …………They opened the My Dinh National Stadium on September 2nd , 2003.………………………………………………………………

7.  Vietnamese people made a lot of preparations to welcome 22nd SEA Games.

º …………A lot of preparations were made to welcome 22nd SEA Games.…………………………………………………………………

8.  Electric lights had been invented before I was born.

º ……People had inented electric lights before i was born……………………………………………………………………

9. A six-year-old girl was rescued from the forest fire by my pet dog.

º …………My pet dog rescued a six-year-old girl from the forest fire . ………………………………………………………………

10. Many countries have provided food and other material aids for the hurricane victims.

º ………Food and other material aids have been provided for the hurricane victims. by many countries…………………………………………………………………

1. My sister gave me a new pair of jeans on my fifteenth birthday.

º …………………  I was given a new pair of jeans by my sister on my fifteenth birthday.………………………………………………………

2. They have sold their car to pay their debt.

º ………………  Their car has been sold to pay their debt.…………………………………………………………

3. We are going to grow flowers in the front garden.

º …………………… Flowers are going to be grown in front of the garden.……………………………………………………

4. You mustn’t use this machine after 5.30 pm.

º …………………… this machine mustn't be used after 5:30 pm……………………………………………………

5. My grandmother is knitting a new sweater for me.

º ……………… A new sweater is being knitted for me by my grandmother …………………………………………………………

6. Did people make jeans two hundred years ago?

º …………………… Were jeans made two hundred years ago? ……………………………………………………

7. We don’t use this kind of cloth to make shirts.

º ………………………… This kind of cloth isn't used to make shirts………………………………………………

8. Vietnamese women continue to wear the unique and fashionable ao dai.

º …………………… The unique and fashionable ao dai is continued to wear by Vietnamese woman.……………………………………………………

9. We will hold  a farewell party Next Sunday.

º ……………………a farewell party will be held next sunday……………………………………………………

10. Tornado had damaged hundreds of home when rescue team arrived.

º …………………Hundreds of home had been damaged by tornado when rescue team arrived.……………………………………………………

Exercise 4. Change in to the opposite voice.

1. How many trees did they cut down to build that fence?

º ………………  How many trees were cut down to build that fence?…………………………………………………………

2.  My cousin will meet you at the station.

º …………………… You will be met by my cousin at the station.……………………………………………………

3. A great deal of tea is drunk in England.

º ………………… people drink a great deal of tea in England.………………………………………………………

4. The doctor pulled out one of my teeth yesterday morning.

º ……………………… One of my teeth was pulled out by the doctor yesterday morning.…………………………………………………

5. They have to pick fruit very early in the morning.

º ………………… The fruit has to be picked by us early in the morning………………………………………………………

6. The My Dinh National Stadium was opened on September 2nd , 2003.

º …………………People opened The My Dinh National Stadium on September 2nd , 2003 ………………………………………………………

7.  Vietnamese people made a lot of preparations to welcome 22nd SEA Games.

º ……………… A lot of preparations were made to welcome 22nd SEA Games ……………………………………………………………

8.  Electric lights had been invented before I was born.

º ………………… People had inented electric lights before i was born………………………………………………………

9. A six-year-old girl was rescued from the forest fire by my pet dog.

º ……………My pet dog rescued a six-year-old girl from the forest fire……………………………………………………………

10. Many countries have provided food and other material aids for the hurricane victims.

º ………………… Food and other material aids have been provided for the hurricane victims. by many countries………………………………………………………

a. They have him tell the story again and again.

-> The story has him tell again and again (by them mình phải bỏ nhé)

b. They had someone take their suitcases upstairs.

-> Their suitcases upstairs had someone take .

c. The family had someone paint the house for Tet.

-> The house had someone paint for Tet by the family.

d.