必修2 Unit 2 The Olympic games 被动语态
They will build a new bridge over the river. (主动)
A new bridge will be built over the river. (被动)
由助动词be + 及物动词的过去分词构成。而在汉语中常用“被”、“给”、“由”、“受”等词来表示被动。
1. 一般现在时：am / is / are +done
Rice is grown in the south of our country.
We are not allowed to enter the chemistry lab without the teacher’s permission.
2. 一般过去时：was / were +done
His lessons were not easily forgotten.
A tall building was put up in my hometown last year.
3. 一般将来时： shall/ will be+ done
Plenty of jobs will be given to college graduates.
Hundreds of jobs will be lost if the factory closes.
4. 过去将来时：would +be+ done
The project would be completed by the end of the year.
The workers told me that the car would be mended as soon as possible.
5. 现在进行时：am / is / are + being +done
English lessons are being broadcasted on the radio.
The car is being repaired in the garage.
6. 过去进行时：was / were + being + done
Roads were being mended here this time last year.
A meeting was being held when I arrived there.
7. 现在完成时：has /have been done
I have been told the sports meet might be put off.
All the preparations for the task have been completed, and we're ready to start.
8. 过去完成时：had been done
When I got to the theatre, I found the tickets had already been sold out.
By the end of last year, another new gymnasium had been completed in Beijing.
9. 含有情态动词的被动语态：情态动词+ be+ done
Your compositions must be handed in after class.
The baby should be taken good care of by the baby-sitter.
（1）—Have you moved into the new house?
—Not yet, the rooms _____.
A. are being painted B. are painting
C. are painted D. are being painting
（2）Can such a thing _____ happening again?
A. prevent from B. prevented from
C. be prevented from D. to prevent from
（3）A talk on Chinese history _____ in the school hall next week.
A. is given B. has been given C. will be given D. gives
（4）It was reported that the murderer _______ arrested.
A. has been B. had been C. has D. had
（5）Great changes _______ in China since the People’s Republic of China _______ in 1949.
A. have taken place; was founded B. has taken place; was founded
C. have been taken place; founded D. took place; founded
（6）If city noises ____ from increasing，people ____ shout to be heard even at dinner．
A．are not kept；will have to B．are not kept；have to
C．do not keep；will have to D．do not keep；have to
答案：A C C B A A
1. 当不知道或没有必要指出动作的执行者时，常用被动语态，这时往往不用by 短语。
My bike was stolen last night.
2. 突出或强调动作的承受者，如果需要说出动作的执行者，用by 短语。
I was given ten minutes to decide whether I should accept the offer.
The well-known person got on the bus and was immediately recognized by people.