refer

2. They didn’t look after the children properly.

the children weren't looked after properly.

3. Nobody swept this street last week.

this street wasn't swept last week.

9.  The children weren't looked after properly.

10. This street wasn't swept last week.

9. => The children weren't looked after properly

10. => This street wasn't swepy last week

You were not seen at the bus stop. 

The postman is being attacked by my dog. 

This street was not swept last week.

1. You weren't seen at the bust stop
2. The postman is being attacked by my dog.
3. This street wasn't swept last week.

4. A new bridge near my house will be built next year.
5. The road to our village will be widened.
6. The meeting will be held before May Day.
7. A new computer will be bought by Jane.
8. The museum will be visited by millions of people.
9. The contract will be signed by our boss.
10. Public transport will be used by students to go to school.
11. A great deal of electricity will be generated by solar power this summer.
12. Plants won't be burned by local people to heat this winter.
13. The air will be polluted by the smoke from factories.
14. A hydro power station will be built in this area.
16. The grass will be cut by the gardeners tomorrow.

1. All the workers of the plant were instructed by the chief engineer.

2. Some of my books has been taken away.

3. The meeting will be hold before May Day.

4. The engine of the car have to be repaired.

5. The window was broken  and some pictures were taken away by the boys.

1 All the workers of the plans were being instructed by the chief engineer

2 Some of my books have been taken away

3 The meeting will be held before May Day

4 The engine of the car has to be repaired

5 The window was broken and some pictures were taken away by the boys

1, Nobody swept this street last week.     =>

This street wasn't swept last week.

2, they looked after the chidren caerfully.   =>

The children was looked after carefully.

3, Where did they buy that skirt ?     =>

Where was that skirt bought?

4, Mr.Obama had " Bún chả " at Huong Lien food stall .    =>

"Bún chả" was had at Huong Lien food stall by Mr Obama.

5, They did not decorate the room yesterday.    =>

The room was not decorated yesterday.

Chúc bạn học tốt ^^

1, Nobody swept this street last week.     =>this street wasn't swept last week.

2, they looked after the chidren caerfully.   =>the children were looked after carefully.

3, Where did they buy that skirt ?     =>where was that skirt buy?

4, Mr.Obama had " Bún chả " at Huong Lien food stall .    =>bun cha was having at huong lien foodstall by mr.omama.

5, They did not decorate the room yesterday.    =>the room wasn't decorated yesterday.

1. This street wasn't swept last week.

2.The children were looked after carefully.

3.Where was that skirt bought?

4. " Bún chả" was had at Huong Lien foodstall by Mr. OBama.

5.The room wasn't decorated yesterday.

Chuyển những câu này sang thể bị động:

They didn’t look after the children properly. …………The children weren't looked after properly…………………………………………

Nobody swept this street last week. ………………This street wasn't swept last week……………………………………………

People drink a great deal of tea in England. ……………………A great deal of tea is drunk in England………………………………

People speak English all over the world. …………………English is spoken all over the world……………………………………

Tom was writing 2 poems. ………………………2 poems were being written by Tom………………………………………………

She often takes her dog for a walk……………Her dog is often taken for a walk………………………………………………….

She didn’t introduce me to her mother. …………………I wasn't introduced to her mother………………………………………

Farmers usually milk cows twice a day. ……………Cows are usually milked twice a day……………………………………………

He likes people to call him “sir”. ……………………He likes to be called "sir"…………………………………………

Our teacher used to bid us talk in class. …………………We used to be bidden talk in class………………………………………

Don’t let other see you. ………………Don't let yourself be seen by others……………………………………………………

The children weren’t looked after properly.

This street was swept last week.

A great deal of tea is drunk in England. 
English is spoken all over the world.

2 poems were being written by Tom.
Her dog is often taken for a walk.
I wasn't introduced to her mother.
Cows are usually milked twice a day by farmers 

He likes being called "Sir".
We used to be bidden to talk in class by our teacher.
Don't let yourself be seen.

viet lai cau

nobody swept this street last week

this street wasn't swept last week

all students attended th meeting

the meeting was attented by all students

an earthquake destroyed the town

all students was destroyed by an earthquake

nobody swept this street last week

This street wasn't swept last week.

all students attended th meeting

The meeting is attended by all students.

an earthquake destroyed the town

The town is destroyed by an earthquake.

Chuyển câu chủ động thành bị động:

1) Mary has operated Tom since 10 o'clock.

Tom has been operated by Mary since 10 o'clock

2) This is the second time they have written to us about this.

This is the second time we have been written to about this

3) Mr. Smith has taught us French for two years.

We have been taught French by Mr.Smith for 2 years

4) They didn't lool after the chilrend porperly.

The children weren't looked after properly

5) Nobody swept this street last week.

This street wasn't swept last week

6) People drink a great deal of tea in England.

A great deal of tea is drunk (by people) in England

Chuyển các câu sau sang câu bị động

1. People don't use this road very often

=>this road isn't used very often

2. The secretary has given Mrs. Jones some letters

=>Mrs. Jones has been given some letters the secretary

3. We will grow a lot of trees in the year

=>a lot of trees will be grown in the year

4. They chose him as the best actor of the year

=>he was chosen as the best actor of the year

5. The waiter will bring us the bill

=>we will be brought the bill by the water

6. Her mother bought Mary some sweets

=>mary was bought some sweets by her mother

7. Larry will send a letter to Tom

=>tom will be sent a letter by larry

8. A man requested the stranger to leave the meeting

=>the stranger was requested to leave the meeting by a man

9. Nobody swept this street last week

=>this street wasn't swept last week

10. Nobody drinks tea

=>tea isn't drunk

11. Nobody has read that novel before

=>that novel hasn't been read before

12. Nobody was cooking the meal when they came

=>the meal wasn't being cooked when they came