Chuyển sang bị động:

1.Joseph Henry first demonstrated the theory of electromagnetism the theory of electromagnetism in 1831.

=> The theory of electromagnetism was first demonstrated by Joseph Henry in 1831.

2.People drink a great deal of tea in England.

=> A great deal of tea is drunk in England.

3.People are using wireless web service widely for accessing services via the Internet.

=> Wireless web service is being used widely for accessing servicesvia the Internet.

4.The teacher won't correct exercise tomorrow.

=> Exercise won't be corected by the teacher tomorrow.

5.Nobody swept this street last week.

=> This street wasn't swept last week.

6.They sold one of her own painting at $1,000.

=> One of her own painting was sold at $1,000.

7.I will put your goves back in your drawer.

=> Your goves will be put in your drawer.

8.You mustn't ise this machine after 5:30 p.m.

=> This machine mustn't be used after 5:30 pm.

9.How many languages do they speak in Canada?

=> How many languages are spoken in Canada?

10. How do you spend this amount of money?

=> How is this amount of money spent?

11. What books are people reading this year?

=> What books are being read this year?

12. How did the police find the lost man?

=> How was the lost man found?

13.What time can the boys hand in their papers?

=> What time can the boys' papers be handed in?

14.Who are they keeping in the kitchen?

=> Who are being kept in the kitchen?

15.Why didn't they help him?

=> Why wasn't he helped ?

16.How many days did she spend finishing the work?

=> How many days was the work spent finishing?

17.They cancelled all flights because of fog.

=> All flights were cancelled because of fog.

18.They are building a new highway around the city.

=> A new highway is being built around the city.

19.They will ask you a lot of questions at the interview.

=> You will be asked a lot of questions at the interview.

20.Somebody accused me of stealing money.

=> I was accused of stealing money.

21. The bill includes service.

=> Service is included the bill.

22.A sudden increase in water presure may break the dam.

=> The dam may be broken by a sudden increase in water pressure.

23. You must clean the wall before you paint it.

=> The wall must be cleaned befefore you paint .

24.Is the teacher going to tell some stories?

=> Are some stories going to be told by the teacher?

25.People spend a lot of money on advertising everyday.

=> A lot of money is spent on advertising everyday.

When will the work be  done by you?

How many days was the work spent to finish by her?

How is this amount of money spent by you?

How was the lost man found by the police?

By whom were your children looked after?

How long has the doctor been waited for?

What time can the boys 's papers be handed in?

Why wasn't he helped?

Who is being kept in the kitchen?

1.  How many games have been played by the team?

2. Where is English spoken?

3. Who are being kept in the kitchen?

4. How can this safe be opened?

5. What book are being read this year?

1, When will you do the work ?

-> When will the work be done?

2, How are you going to deal with this problem ?

-> How is this problem going to be dealt with?

3, How do you spend this amount of money ?

-> How is this amount of money spent?

Change the following sentences from active into passive form.

2. Wh _ questions.

1. When will you do the work ?

-> When will the work be done?

2. How many days did she spend finishing the work ?

-> How many days was the work finished by her?

3. How do you spend this amount of money ?

-> How is this mount of money spent ?

4. What books are people reading this year ?

->

5. How did the police find the lost man ?

-> How was the lost man found by the police?

16. Who looked after the children for you ?

-> By whom were children looked after for you?

17. How long have they waited for the doctor ?

->

18. What time can the boys hand in their paper ?

-> What time can their paper be handed in by the boys ?

19. Why didn't they help him ?

-> Why wasn't him helped ?

20. Who are they keeping in the kitchen ?

-> By whom

1. When will you do the work ?

=> When will the work be done?

2. How many days did she spend finishing the work ?

=> How many days was the work finished by her?

3. How do you spend this amount of money ?

=> How is this mount of money spent ?

4. What books are people reading this year ?

=>What books are being read this year?

5. How did the police find the lost man ?

=> How was the lost man found by the police?

16. Who looked after the children for you ?

-> By whom were children looked after for you?

17. How long have they waited for the doctor ?

=>How long has the doctor been waited for?

18. What time can the boys hand in their paper ?

=> What time can their paper be handed in by the boys ?

19. Why didn't they help him ?

=> Why wasn't him helped ?

20. Who are they keeping in the kitchen ?

=> Who are being kept in the kitchen?