1 That lesson was explained by the teacher yesterday

2 She and her friends were seen at the seaside

3 Letters are delivered to her office by the postman everyday

4 She was given two letters by him this morning

 They have scored more than 10 goals in this season.

=>more than.....10 goals have been scored in this season......

ex3:change the following sentences into passive voice:

1. we know that the expedition reached the south pole in may.

It is known that the expedition reached the south pole in may.

2.people know that he is armed.

It is known that he is armed.

3.someone saw him pick up the gun.

He was seen to pick up the gun

4.we believe that he has special knowledge which may be useful to the police.

It is believed that he has special knowledge which may be useful to the police.

5.you needn't have done it.

it needn't have been done

6.he likes people call him "sir".

He likes being called "sir"

7.don't touch this switch .

This switch isn't touched

8.he doesn't like people laughing at him.

he doesn't like being laughed at

9.you don't need to wind this watch.

This watch doesb't need to be winded

10.they decided to divide the money between the windows of the lifeboat men.

They decided the money to be divided between the windows of the lifeboat men.

11. people believe that he was killed by terrorists.

It is believed that he was killed by terrorists.

12.they are to send letters to the leaders of charitable organization.

Letter are to be sent to the leaders of charitable organization.

13.we consider that she was the best singer that Australia has ever produced.

It is considered that she was the best singer that Australia has ever produced.

14.they urged the government to create more jobs .

The government was urged to create more jobs .

15.they suggested banning the sale of alcohol at football chess.

They suggested the sale of alcohol at football chess. be banned 

Chuyển câu chủ động sang câu bị động:

1. she told her kid not to go out at night

Her kid was told not to go out at night

2 my father allowed me to join in the trip

I was allowed to join in the trip by my father

3.his students were advised  by he to choose the suitable courses

He advised his student to choose the suitable courses

4.people organized the spring fair at tao dan park last year

The spring fair was organized at tao dan park last year

5.people have worn perfume since ancient times

Perfume has been worn since ancient times

6. They didn't use matches to make the fire. 

Matches were not used to make the fire 

1,No one can answer that question.

That question can't be answered.

2,the teacher made us do a lot of exercises.

A lot of exercises were made to do by the teacher.

3,how are they going to do this project.

How this project is going to be done ?

4,which picture did you draw yesterday.

Which picture is drawn yesterday?

5.people say that prevention is better than cure.

Prevention is said better than cure.

6,we saw her cross the intersections.

She was seen to cross the intersections.

7,people considered that Micheal Jackson has been the best pop singer.

Michael Jackson was considered to have been the best pop singer.

8,everyone doesn't look up to him.

He isn't looked up to.

9,must they hand in weaponds?

Must weapons be handed in.

10,nobody showed them how to do.

They weren't showed how to do.

Tham khảo :

1.-Lan doesn’t often go to the library after school.
-Does Lan often go to the library after school?
2. - There are not/ aren’t 35 students in my class.
 

( Trong câu nghi vấn, ta chuyển tính từ sở hữu 'my’ -> your)
3. - Jennie doesn’t like the action movie very much.
 

( Jennie là chủ ngữ ngôi thứ ba số ít nên dùng trợ động từ là 'does’)
4. - My family didn’t/ did not have a nice trip in Sapa last summer holiday.
 

( Ở thì quá khứ đơn, tất cả các chủ ngữ đều sử dụng trợ động từ did)
5. -Hoa’s friend didn’t/ did not invite her to the party last night.
-Did Hoa’s friend invite her to the party last night?
6. - Lan is not/ isn’t cooking dinner with her mother at the moment.
-Is Lan cooking dinner with her mother at the moment?
7. - I can not/ can’t see the sea from my bedroom.
-Can I see the sea from my bedroom?
8. - We are not/ aren’t going to take part in a dance club this school year.
-Are we going to take part in a dance club this school year?
9. - We will not/ won’t probably win the race.
 

10. -They don't often do their homework before going to school.
-Do they often do their homework before going to school?
11. - Hoa is not/ isn’t studying English with her friends now.
 

1,Some friends will be invited to her party

2,That car won't be bought tomorrow 

3,I won't be told about their family

4,Will this problem be explained to night?

5,She will be taken to the countryside by her parents next weekend

6,The painters house is going to repaired next Saturday.

3,I won't be told about their family

4,Will this problem be explained to night?

6,The painters house is going to repaired next Saturday.

1. They told me that you were the best architect in this city.

You were told to have been the best architect in this city.

2. She reported that the flowers were killed by frost.

The flowers were reported to have been killed by frost.

3. Some people inform me that the director is going to take a business trip to England.

The director was informed to be  going to take a business trip to England.

4. That officer announced that the meeting was delayed until next week.

The meeting was announced to have been delayed until next week.

5. He discovered that this cotton was grown in Egypt.

This cotton was discovered in Egypt

6. They promise that the performance will start on time.

The performance is promised to start on time

7. He recommends that we should stay at the city center.

We are recommended to stay at the city center.

8. We believed that Alice would pass the driving test.

Alice was believed to pass the driving test.

9. The director notifies all the workers that they will have to work extra hard this month.

All the workers are notified to  have to work extra hard this month.

10. They have persuaded me that they will go with me to the stadium.

I have been persuaded  that they will go with me to the stadium.

11. They have decided that the company will go to the beach together at the weekend.

The company has been decided to go to the beach together at the weekend.

12. People think that Maradona is the best football player in the 20th century.

Maradona is thought to be the best football player in the 20th century.

13. They find that the job is not suitable for a girl like her.

The job is found not to be suitable for a girl like her.

14. The teacher explained that this powerful engine pulled the train.

This powerful engine was explained to have pulled the train.

15. He told me that his football team had played well last season.

His football team was told to have played well last season.