被动语态的具体用法~~~

现在进行时的被动语态具体用法~

现在进行时的被动语态
定义：现在进行时的被动语态表示此时此刻某事正在被做。

例如：
The sports meeting is being held in our school.
我校正在举行运动会。
Another bridge is being built over the Changjiang River.
长江上正在修建另一座大桥。

构成：be + being+过去分词
例如：
A number of Dongfeng trucks are being shipped abroad.
一批东风卡车正被运往国外。

用法：
1）“be being done” 中的动词be应随主语(sing. / pl.)作相应的变化。
2）将现在进行时的主动语态变为现在进行时的被动语态的关键是：把be doing变为be being done.
例1. The students are cleaning the classroom now.
→The classroom is being cleaned now.
现在学生们正在打扫教室。 (are cleaning变为is being cleaned)
例2. The boy is counting some eggs.
→Some eggs are being counted.
那男孩正在数蛋。 (is counting 变为 are being counted)

你也可以给他们对比讲一下：现在完成时

请比较主动与被动语态：
Somebody cleans the office every day.(主动）
The office is cleand every day.（被动）
最基本的是把宾语和主语调换位置，然后加be动词。
一般现在时：
am/is/are + 动词分词(一般为ed形式，常用的不规则done,built,taken,taught等）
一般过去时：
was/were + 动词分词(一般为ed形式，常用的不规则done,built,taken,taught等）
现在进行时：
am/is/are + being + 动词分词(一般为ed形式，常用的不规则done,built,taken,taught等）
过去进行时：
was/were +being +动词分词（一般为ed形式，常用的不规则done,built,taken,taught等）
现在完成时：
has/have been +过去分词（一般为ed形式，常用的不规则done,built,taken,taught等)
过去完成时：
had +过去分词（一般为ed形式，常用的不规则done,built,taken,taught等)

1. 定义：被动语态，即不知道动作执行者或强调动作承受者的一种语态。例如中文常说：我被他打，这就是一种被动。但有时由于句子结构上的需要也要用被动，例如It is not unusual for workers in that region to be paid more than a month it 在句中作形式主语。而不定式to be paid more than a month是句子的逻辑主语。结合选项全句的意思是：“那个地方的工人一个多月后才得到工资是常有的事”。

2. 构成：be+past participle(过去分词)(简称P.P.)（+by+动作执行者）（过去分词的概念见上课）

3. 当主动语态要被改成被动的时候，我们把原句的宾语提前，作为改句的主语，主语后置，作为宾语。因此有一点要注意，不及物动词由于不加宾语，没有被动形式，但不及物动词如果与某些介词构成介词短语，可以用被动。例如The fire had been put out before the fireman arrived. Put是不即物动词，但put out是及物动词

4. 应用到各种时态和句型如下：

① 一般式（一般现在，一般过去，一般将来）：am, is, are, was, were, is going to be , will be+done.ie. Once environmental damage is done, it takes many years for the system to recover. 本句的意思是：“环境一旦遭到破坏，需要多年时间才能恢复过来。”do作为及物动词有“引起，产生”的含义，do damage的意思是“造成破坏”。主语damage是及物动词do的动作对象，谓语应当用被动语态。同样的，还有，I will mend the machine.相当于The machine will be mended （by me）.

② 进行时（现在进行、过去进行、将来进行）：be+being+P.P. ie.The classroom is being cleaned.

③ 完成时（现在完成、过去完成、将来完成）：have/has been + P.P.：例如The machine will have been repaired by 3 o’clock this afternoon.再如：My homework has been finished.

④ 其他时态依词类推，可得到结果。

⑤ 情态动词的被动语态：主语 + 情态动词 + be动词 + 动词过去分词，例如Your teeth must be brushed.

⑥ 不定式的被动语态：to be done例：The no-shows have to be considered when deciding the rate of overbooking.（确定超过接待能力的预定时必须考虑预定了房间却来不了的客人。）

Ⅱ、主动语态变为被动的几个特殊情况

① 有些动词在主动结构中，后面接不带to的不定式，但如果改为被动，则需把省略的to加上，这类动词有hear, watch, make, help, let等，如：The boss made my grandfather work 10hours a day.改成My grandfather was made to work for 10 hours a day.

② 含有宾语从句的主动结构变为被动，通常用it作为被动结构的先行主语，从句放在句子后面/也可采用另一种形式，这类动词有：know, say, believe, find, think, report等

③ 是所有的主动句都可以变换成被动句，更不是所有的被动句都可以自由变换成主动句。虽然语法原则上允许主动和被动句的互相转换，但有的句子转换后会变成不通顺或不地道的英语句子。因此，在某些题目里，这也成为判断应该用主动还是用被动的依据。

例：At 5:05 p.m. on Saturday 19th July , there was an accident at the junction of the Main Street and Panda Road when a boy was knocked down off his bicycle by a delivery van. The boy was sent to St. Maria Hospital where he was treated for shock and a broken arm.

在这段文章里，a boy was knocked down off his bicycle by a delivery van这句被动句强调出读到文章的人最关心的事故的受害者。The boy was sent to St. Maria Hospital这句话则说明了孩子被送到医院的事实，至于是由谁（某个过路人？或肇事司机？）送的不重要。he was treated for shock and a broken arm这句被动句无须说出treat这个动作的发出者，因为在医院，伤病员自然由医务人员处理，无须罗嗦。这样，这段文章就重点突出，条理清楚了。

④ 有些动词可以有两个宾语，在用于被动结构时，可以把主动结构中的一个宾语变为主语，另一个宾语仍然保留在谓语后面。多是把间接宾语变为主语。这样句子自然些。直接宾语变为主语时，间接宾语要变为某个介词的宾语，介词to可以省略。如His father left him this house.改为This house was left (to) him by his father.

⑤ 有些动词虽为及物，但宾语并非是动作承受者，不能转换，这些动词有have, hold（容纳）,suit, fit, lack, become（适合）contain, cost, last, mean, suffice（足够）等。

⑥ 当直接宾语为反身代词、相互代词或宾语前有指代主语的物主代词时不用被动，如I shook my head.我摇摇头。

⑦ 当宾语为同源宾语（与主句指同一人），动名词，动词不定式或一个从句时不用被动。如John enjoyed seeing the fil,.

⑧ 在一些固定说法中，有些名词和动词结合的固定说法，不能改We Chinese always keep our word.

⑨ 某些从不及物动词转化来的及物动词，直接宾语在表示动作的方式或效果时，这些动词在意思上起状语的作用，没有被动The girl kissed her boyfriend good night=The girl said good night to her boyfriend by kissing him.(这个女孩说了晚安并且亲了他的男朋友）

⑩ 表地点\处所\组织\长度\大小\数量\程度\抽象名词的词做宾语时不用被动.

⑪ 某些“不及物动词+介词”短语,walk into, listen to, sleep in, agree with, shake hands with, belong to, take part in, keep up with不能用被动。

⑫ 某些词用主动表被动：sell, miss, build, grow, look, smell, taste, sound, feel等

练习
1). Put the following sentences into the passive voice (by phrase may be omitted)
1. People speak English in many countries.

2. We built this bridge last year.

3. The tiger in the zoo frightened the little girl.

4. Xiao Liu has invited you to a lunch party.

5. You must not take these magazines out of the reading-room.

6. We shall discuss the problem at tomorrow's meeting.

7. Has anybody fed the birds?

8. People will never forget the accident.

9. You may write this letter in pencil.

10.They are repairing the car in the garage.

11.Someone must have turned on the light without your notice.

12.They have found ways to make waste water clean.

13.Someone must take care of the children when we go out.

14.They won't hold the meeting until next Friday.

15.They gave him a medal for his wonderful work.

16.The doctor will ask the patient some questions before he gives her medicine.

17.They made (选举) the young man head of the volleyball team.

18.Someone will tell you how to prepare for the examination (考试).

19.They criticized me for something wrong that I had done.

20.Someone has taken the stranger (陌生人) to another hospital.

21.It surprised me to hear that they wouldn't give him a holiday after his hard work.

22.People will laugh at (嘲笑) you if you wear that dress.

23.I have told him that he didn't finish his homework yesterday..

24.We must finish the work by six o'clock this afternoon.

25.Do you often clean your room?

26.They are making this type of radios in shanghai.

27.Could you carry out (执行) the plan on time?

28.We must pay attention to (注意) such problems.

29.Someone is showing them how to operate (操作) the computers.

30.You should put forward (提出) the questions at the meeting.

31.He is sure to finish the job by then.

32.She is going to play the match today.

33.People are talking about the things all over the town.

34.We saw a bus running towards us at that time

35.They made her leader (领袖) of the group.

36.They had to put off (推迟) the sports meet because of the rain.

37.We don't have to write it in such a hurry.

2). Make the best choice:
38.Our house_____,
A. is getting paint B. is getting painted C. is got painted D. has got to paint
39.He arrived in Beijing, and he _____his friend there..
A. was met by B. was met C. was meeting D. met by
40.The mistakes (错误) in the exercises will _____the teacher.
A. cross B. be crossing C. be crossed by D. cross by
41.My brother and I have __________her birthday party.
A. been invited B. been invited for C. invited to D. been invited to
42.It_______this way
A. is had to do B. is had to be done C. had to be done D. has to do
43. _____Chaplin.
A. The child's name was called B. The child's name calls
C. The child calls D. The child is named
44.The sports meeting____ .
A. is put off B. is to put off C. is to be put off D. puts off
45.The story ______in China.
A. was taken place B. has been taken place
C. took place D. was happened
46.Great changes _____in our province (省). Many tall buildings.
A. have been taken place, have been set up B. have taken place, have been set up
C. have been taken place, have been set up D. were taken place, were set up
47. Some of the hotels in my hometown_________.
A. have now been rebuilding B. are now rebuilding
C. are now being rebuilt D. are rebuilt now
48. The flowers should ____ every morning.
A. water B. watered C. be watering D. be watered
49. Do you know what ____ in a hundred years?
A. happens B. is happened C. will happen D. will be happened
50. Where ___ the machines ___?
A. is; made B. are; made C. have; made D. do; make
51. The bridge ___ in three weeks.
A. will build B. is built C. will be built D. is being built
52. This kind of machine _____ well.
A. is sold B. sell C. sells D. are sold
53. Mrs. Green____ to work last week.
A. has been B. has gone C. went.
54. The maths problems are too hard _____
A. be done B. to do them C. to work out D. be worked out
55. The children ____ games under the tree .
A. were seen play B. saw playing C. were seen playing D. were seen to play
56. Many of the stars cannot ___ because they are too far away ____ us .
A. see , to B. be seen , from C. seen, for D. being seen, for
57. Where ___ your keys ____?
A. did find B. were founded C. were founded D. did founded
58. The umbrellas have _____ because of the heavy rain these days.
A. sold out B. sold over C. been sold off D. been sold out
59. They told us that the car _____ at that moment.
A. was repairing B. was being repaired C. being repaired D. was to repairing
60. Some advice _____ the pupils by the professor.
A. was given B. was gave to C. was being given D. was given to

被动语态二焦点
一、带双宾语的两种被动语态形式
1）用直接宾语作主语时在间接宾语前加介词“to”：
1．I'll give her a present for her birthday． （直接宾语） (give sth to sb)
A present will be given to her for her birthday by me．
2．She told me the news． （直接宾语） (tell sth to sb)
The news was told to me by her．
2）另一种一般用直接宾语作被动语态的主语，且须在间接宾语前加上介词“for”：
1．I've bought my little sister a sweater． （直接宾语） (buy sth for sb)
A sweater has been bought for my little sister by me．
2．Mother cooks some delicious food for me． （直接宾语） (cook sth for sb)
Some delicious food is cooked for me by Mother．
类似的动词有：read，draw，make，get等。
有时用间接宾语作主语讲不通，或不习惯，也须转用直接宾语作主语。如：
My girl friend writes me a letter every week．
I am written a letter by my girl friend every week．（错句）
A letter is written to me by my girl friend every week．
类似的动词有：return，send，pass，hand，sell，teach等。
二、许多不及物动词加上介词或副词而变为及物短语动词，这时同样可以有被动语态。但应注意短语的整体性，在变为被动语态时不应丢掉后边的介词或副词。
1�动词＋介词
a．The doctor has already been sent for．
b．The news has never been heard of before．
类似的短语动词有：call on，look after，talk about，look at，ask for，wait for．．．
2．动词＋副词
a．A new play will be put on (上演) next week．
b．The problem has been worked out．
类似的短语动词有：put off (推迟)，think over，take off (脱、取消)，look up (查询)，sell out，use up (用光)．．．
3．动词＋副词＋介词
a．The poor were looked down upon before liberation．解放前穷人被人瞧不起。
b．He was looked up to by everyone．他被人们所敬仰。
类似的短语动词有：get out of，look out of，get on with，get along with (与。。。相处)，catch up with (赶上)，keep up with (跟上)．．．
4．动词＋名词＋介词
a．Lin Fen can take good care of your children．
1）Your children can be taken good care of by Lin Feng．
2）Good care can be taken of your children by Lin Feng．
b．They never paid attention to (注意、关注) the matter．
1）The matter was never paid attention to．
2）Attention was never paid to the matter．
类似的短语动词有：make fun of，make use of，make friends with，take part in (参加)．．．

将下列句子改成被动语态
1. Lin Fen gives her little brother some orange juice.
2. He always asks the teachers some strange questions.
3. She has told the police what had happened.
4. What did your father buy for you?
5. The students are making that sick boy some paper cranes.
6. That artist drew the King a horse.
7. A postman sent you this letter just now.
8. I will get you this necklace as your birthday present.
9. They returned their teacher that book yesterday evening.
10. This term Mr Li is going to teach us physics.
11. Now some students are looking after that old lady.
12. Last week he called on his uncle.
13. As it is raining heavily, we have to out off the football match.
14. They have taken off the 5 a.m. train.
15. You can look up these words in your dictionary.
16. They have used up all their money.
17. Everyone in the class got on well with the twins.
18. The policeman soon caught up with the thief.
19. Now we can make use of the money we have.
20. He sometimes made fun of his classmates.
21. The teacher divided (分开) the class into four groups.

基本语法be done by

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