二 什么时候需要使用被动语态１ John repaired the computer yesterday.
２ The computer was repaired by John yesterday.
1) 不知道动作的执行者时三 被动语态的构成
Printing was introduced into Europe from China.
Modern education was introduced into China from Europe.
2) 当不必要提出动作的执行者时
His son was born in 1990.
The bridge was built in 1998.
3) 当强调或侧重动作的承受者时
The cute boy is liked by everybody in that room.
This job was done by that boy yesterday.
No
时态
被动语态构成
例子
1
一般现在时
am/is/are
done
They usually design bridges. Bridges are usually designed by them. She cleans the corridor everyday. The corridor is cleaned by her everyday 2
一般过去时
was/were
done
The boy saw the accident yesterday. The accident was seen by the boy yesterday. He broke the door last Sunday. The door was broken by him last Sunday. 3
一般将来时
will/be going to
be done
Fred will plan the party tomorrow. The party will be planned by Fred tomorrow. She is going to repair the car next week. The car is going to be repaired by her next week. 4
过去将来时
would be done
He said that he would plan the party next week. He said that the party would be planned by him next week. He told me that he would fix the lock after lunch. He told me that the lock would be fixed by him after lunch. 5
现在进行时
am/is/are
being done
He is cutting the tree now. The tree is being cut by him now. She is drawing a picture at the moment. A picture is being drawn by her at the moment. 6
过去进行时
was/were
being done
His mum was washing her clothes at 6pm last night. Her clothes were being washed by her mum at 6pm last night. They were repairing the car at 2pm yesterday. The car was being repaired by them at 2pm yesterday. 7
现在完成时
has/have
been done
David has fixed the machine. The machine has been fixed by David. The boys have kept the interesting book for two weeks. The interesting book has been kept by the boys for two weeks. 8
过去完成时
had been done
He told me that he had written the report. He told me that the report had been written by him. That company had made 200 computers by the end of last week. 200 computers had been made by that company by the end of last year. 9
情态动词
情态动词+ be done
He can fix the computer. The computer can be fixed by him. He could fix the computer yesterday. The computer could be fixed by him yesterday. Students may use the computers here. The computers may be used by students here. Students might use the computers here last week. The computers might be used by students here last week. You must water the flower now. The flower must be watered by you now. You should water the flower now. The flower should be watered by you now. You ought to water the flower now. The flower ought to be watered by you now. You have to water the flower now. The flower has to be watered by you now.