Chuyển các câu sau sang câu bị động
1.no one has make any comments on event
=> No comments have been make on event.
2.the rain has made them stop working
=> Them have been made the rain stop working.
3.did anyone see you coming
=> Were you seen you coming?
4.they point out his mistake to him
--> His mistake is pointed out to him
5.did they give her a bunch of flower
--> Was a bunch of flower given her?
6.someone told him he could not take the examination
--> He was yold he couldn' t take the examination
7.they saw him walking with his friend before he got lost
--> He was seen walking with his friend before he got lost
8.he has to pay the bills before the fifth of the mouth
--> The bills have to be paid before the fifth of the month
9.nobody opened that book for the past hundred of years
--> The book wasn't opened for the lpast of years
10. you ought to water these plants once a week
--> These plants ought to be watered once a week
11.they can't make tea with cold water
--> Tea with cold water can't be made
12.the chief engineer was instructing all workers of the plant
--> All workers of the plant were being intructed by the chief egineer
13.some body has taken some of my book away
--> My book has been taken away
14.they will hold the meeting before may day
--> The meeting will be held before may day
15.they have to repair the engine of the car
--> The engine of the car has to be repaired