Change the active into the passive
1.John collects money.
2.Anna opens the window.
3.We do our homework.
4.I ask a question.
5.He cuts out the picture.
6.The sheep eat a lot of grass.
7.We do not clean our rooms.
8.William does not repair the car.
9.Does Sue draw this circle?
10.Do you feed the dog?
11.John collected money.
12.Anna opened the window.
13.We did our homework.
14.I asked a question.
15.He cut out the picture.
16.The sheep ate a lot of grass.
17.We did not clean our rooms.
18.William did not repair the car.
19.Did Sue draw this circle?
20.Did you feed the dog?
21.John has collected money.
22.Anna has opened the window.
23.We have done our homework.
24.I have asked a question.
25.He has cut out the picture.
26.The sheep have eaten a lot of grass.
27.We have not cleaned our rooms.
28.William has not repaired the car.
29.Has Sue drawn this circle?
30.Have you fed the dog yet?
31.The teacher tells a story.
32.The teacher told a story.
33.The teacher has told a story.
34.Somebody has teken my book away.
35.Somebody takes my books away.
36.Somebody took my books away.
37.They clean the wall before they paint it.
38.They cleaned the wall before they painted it.
39.Mr.Cole visited John at the weekend.
40.Mr.Cole usually visits John at the weekend.
41.People are killing wild animals for food.
42.The author has written a special edition for children.
43.I have received 20 cards so far.
44.My farther has just cleaned this motorbike.
45.I have never eaten that cake before.
46.We have just finished the report.
47.She hasn't answered my letter yet.
48.Someone has wound the clock.
49.A dog has just bitten me.
50.People believed that he can speak English.
51.Someone thinks that Lan will return tomorrow.
52.Have you ever watched that film.
53.She hasn't seen that man yet.
54.One of the parents is taping the children's song.
55.Is a student pilot flying that airplane?
56.No one has talked for me that work.
57.Someone has already told him to report to the hedmaster tomorrow.
58.They can think that it will rain tomorrow.
59.People think that Lan is living near here.
60.They think that she is hiding in the forest.
61.People drink a great deal of tea in England.
62.Someone has locked this door.
63.Look! Helen is scarying a basket of pears.
64.This team will ein the prize by any means.
65.When she had taken off her coat, she hung it up.
66.The hot sun dried up the pools.
67.You may hand in the answers now.
68.By the end of the day the party will have set up the big tent.
69.People have lauged at the joke for many years.
70.They heard him make an interesting remark.
71.I can assure you will arrange eveything in time.
72.Why don't you have an optician test your eyes?
73.Have you counted the money?
74.Last night the visitors ate all the cakes.
75.They have brought most of these thongs from London.
76.Tom and Bill are painting the fence over there.
77.You must finish your homework before 9 o'clock.
78.No one helped her to solve that problem.
79.Jane doesn't drink tea very often.
80.Someone had asked me to give a talk about my country.
HELP!!!
k 
đề bài bn ây
có lẽ là chuyển câu chủ động thành câu bị động đấy :D