allen试验-正交变换
英语被动语态
英语被动语态
一、什么是被动语态?
英语中时态很多,但语态不多,只有两种,即:主动语态和被动语态。所谓“被动语态”
,
相当于中文中常说的“被……”、“由……”的句式,如:“他的自行车被偷了。”,“这座楼房是由他们建造的。”
二、被动语态的结构
那么,英语中被动语态是怎么样构成的呢?请看下面的例句
His bicycle
was stolen.
The building has been built
in 2000.
通过上面的例句,可以看出,“被动语态”的构成是:
be + 过去分词 + (by+动作执行者)
三、被动语态的运用
什么情况下要用被动语态呢?一般地说,有下面几种情况:
(1) 不知道谁是动作的执行者或没有必要。例如:
Paper is
made from wood. (纸是由木材生产出来的。)
The
house is quite old. It was built in 1950.
(这座房子太旧了。它是1950年建成的。)
He was
wounded in the fight. (他在战斗在受伤了。)
Electricity is used to run machines. (电是用来开动机器的。)
(2) 需要强调动作的对象时。例如:
Calculator can't be used in the maths exam.
(计算器不能用于数学考试。)
Books and
newspapers in the reading room mustnt be taken
away. (阅览室的书籍和报
纸不准带走。)
He was
awarded first prize in that contest.
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英语被动语态
(他在比赛中获得了第一。)
(3)为了使语气婉转,避免提到是谁做的这件事。例如:
The construction of the new lab must be completed
by the end of next month. (新实验室
必须在下个月底前完工。)
四、各种时态的被动语态举例
一般地讲,被动语态可用于英语
的各种时态。为了能准确地运用被动语态,重点是要掌
握be动词的各种时态变化。各种时态的被动语态
举例如下:
1、 一般现在时的被动语态. am is are +
动词的过去分词
Our classroom is cleaned every
day.
This car is made in China.
2、一般过去式的被动语态: was were + 动词的过去分词
His desk was cleaned just now.
The
station was built in 1928.
3、现在进行时的被动语态: am is are + being + 动词的过去分词
A new factory is being built in our city
now.
Some trees are being cut down in
the park.
4、过去进行时的被动语态: was were +
being + 动词的过去分词
A new factory was being
built in our city at that time.
Some
babies were being looked after by Miss Chen last
year.
5、一般将来时的被动语态:
(A) will
shall + be + 动词的过去分词
(B) am is are +
going to be +动词的过去分词.
Some new
factories will be built in our city this year.
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英语被动语态
Your watch
is going to be mended in an hour.
6、过去将来时的被动语态: (1).would should + be + 动词的过去分词
(2).was were
+going to be + 动词的过去分词.
She said that some new factories would be
built soon in our city.
He thought that
your watch was going to be mended after an hour.
7、现在完成时的被动语态:have has + been + 动词的过去分词
Some new factories have been built in
the city since last year.
Your watch
has been mended already.
8、过去完成时的被动语态:had + been + 动词的过去分词
He
said that some new factories had been built in the
city.
I didn’t know that my watch had
been mended .
9、含情态动词的被动式:canmaymust +
be + done
例如:He can not be found. I
must be paid for this.
五、如何将主动语态变成被动语态
1、从句子意义上说,就是重新找出“什么事物”是“被完成”的。
例1.
主动语态:人们说英语。People speak
English in many countries.
被动语态:英语被说。
English is spoken in many countries..
例2.
主动语态:我们造这座桥。We built this bridge
last year.
被动语态:这座桥被建造。This bridge was
built last year.
2、从语法的角度说,把原句的宾语改成主语。
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英语被动语态
例1.
主动语态:小王邀请你(宾语) Xiao Liu has invited you to a
lunch party.
被动语态:你(宾语)被邀请。 You has
been invited to a lunch party by Xiao Wang.
例2.
主动语态:你不准带走杂志(宾语) You must not
take these magazines out of the
reading-room.
被动语态:杂志(宾语)不准被带走.These magazines must
not be taken out of the reading
room.
例3.
主动语态:他们授给他(宾语)一枚奖章(宾语).They
gave him a medal for his wonderful
work.
被动语态:他(宾语)被授予一枚奖章. He was given a medal for
his wonderful work.
被动语态:一枚奖章(宾语)被授给了他.A medal was given to him for
his wonderful work.
6.将主动语态变被动语态的基本方法为:
①将主动语态的宾语作被动语态的主语;
②谓语动词变为“be+及物动词的过去分词”,并通过be的变化来表达出不同的时态;
③主动语态的主语变为介词by的宾语,组成介词短语放在被动结构中的谓语动词之后。
(有时by短语
可以省略)。
7.被动语态的一般疑问句是将一个助动词置于主语之前;否定句是在第
一个助动词后
加not;特殊疑问句的语序为:疑问词+一般疑问句。例如:
① You must throw the broken pottery away at once.
The broken pottery ______ ______ ______
______ at once.(同义句)
(填m ust be thrown
away)
② Where did they grow
vegetables?(改为被动语态)
Where ______
vegetables ______ ?(填were;grown)
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英语被动语态
六.注意特例
将主动语态变被动语态应注意几个特殊情况:
1.含双宾语的主动结构变为被动结构时,有两种方法:
①将间接宾语变为主语,直接宾语保持不变;
②将直接宾语变为主语,间接宾语用介词to或for引导。例如:
① He
told us a story.(变被动语态)
→We were told a
story(by him).或:A story was told to us by him.
② Her mother gave her a new pen.(变被动语态)
A new pen ______ ______ ______ her by
her mother.
(填was given to)
2.短语动词的被动语态:在变为被动语态时,要将短语动词视为一个整体,其后的介
词或副词不能省去
。例如:
① This dictionary mustn't ______
from the library.[C]
A.take away
B.taken away C.be taken away
②
She will take good care of the children.(变被动语态)
The children will ______ ______ ______
______ ______ (by her).
(填be taken good
care of)
3.含有复合宾语的主动结构变被动结构时,通常将宾语变为被动句
的主语,而宾语补
足语就成为主语补足语。注意:省略to的不定式作宾补时,不定式符号to必须补上
。例如:
Someone saw him swim in Qianling
Lake yesterday.(变被动
He ______ ______
______ swim in Qianling Lake yesterday.(填was seen
to)
4.不定式的被动结构:动词不定式的被动语态为“to be
+过去分词”。例如:
The radio says a wild animal
zoo is to ______ in our city.[C]
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英语被动语态
A.be building
B.build C.be built
5.以疑问代词开头的疑
问句转换成被动句时要注意词序:应将主动句中的疑问代词改
为介词by的宾语,但仍然放在句子开头。
例如:
Who has broken the cup?(改为被动语态)
→By whom has the cup been broken?
七.注意区别
被动语态和过去分词作表语的区别:
1)含义不同:被动语态强调动作,重点说明动作由谁完成、怎样完成;而过去分词作
表语通常用来描写
情景,叙述人或事物的特征及所处的状态。试比较:
The window is
broken.窗子破了。(系表结构)
The window is broken
by him.窗子被他打破了。(被动语态)
2)用法不同:过去分词作表语时可以被 so,very,too等程度副词修饰,而被动语态
则不能
用so,very,too修饰,而需用much,very much,so much,too
much修饰。试比较:
He was very interested in
science.他对科学有极大兴趣。(系表结构)
I was so much
surprised at the scene that I didn't know what to
do.我被那种场面搞得大吃
一惊,不知所措。(被动语态)
10.牢记(相关)句型
初中教材中与被动语态相关的句型有:
1.be covered with被……覆盖
2.be made
of由……制作(发生物理变化)
be made
from由……制作(发生化学变化)
be made in由(某地)制造
be made by被(某人)制造
3.be used
for被用来……
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英语被动语态
be
used as被当作(作为)……来使用
be used to do
sth.被用来做某事
4.It is said that...据说……
It is hoped that...希望……
It
is well known that...众所周知……例如:
加速度学习网 让学习变得简单被动语态
一、被动语态概述
语态是动词的一种形式,用以说明主语与谓语动词之间的关系。英语的语态共有两种:
主动
语态和被动语态。主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受
者。被动语态是动
词的一种特殊形式,一般说来,只有需要动作对象的及物动词才有被动语
态。汉语往往用被、受、给等词
来表示被动意义。如:
He opened the
door.他打开了这扇门。(主动语态)
The door was
opened.这扇门被打开了。(被动语态)
二、被动语态的构成
被动语态由助动词be+及物动词的过去分词构成。被动语态的时态变化只改变be的形
式
,过去分词部分不变。疑问式和否定式的变化也如此。
1、被动语态的时态较常见的八种,现以动词clean为例列表说明:
2、被动语态的句式变化:以一般现在时和动词invite为例,列表说明被动语态的句式
变化:
3、含有情态动词的被动语态
情态动词的被动语态结构为:情
态动词+be+过去分词;其时态及句型的变化仅由情态
动词完成,过去分词部分不变。如:
Tables can be made of stone.桌子可由石头制造。
Tables could be made of stone at that time.
那时桌子可由石头制造。(一般过去时)
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英语被动语态
Can tables be made of
stone? 桌子能用石头制造吗?(疑问句)
三、主动语态变为被动语态
转换图示:
1、主动语态变为被动语态的步骤:
(1)将主动句的宾语变为主语:
注意:如果主动句的宾语是代词,需将其由宾格变为主格。如:
Tom killed him. → He was killed by
Tom.
(2)将动词改为过去分词。注意:
They held a meeting yesterday. → A meeting was
held by them yesterday.
他们昨天开会了。
(3)将主动语态的主语改为be…放在谓语动词后。
注意:如果原主语是代词,则应由主格变为宾格。
He sang a song. → A song was sung by him.
2、主动语态变为被动语态的注意事项:
含有双宾语
,即直接宾语(常指事物)和间接宾语(常指人)的句子,每个宾语
都可变为被动语态的主语,即其被动
语态有两种形式。但多以间接宾语作主语。
Jack told
us the truth.杰克告诉了我们真相。
We
were told the truth by Jack.
The truth was told (to) us by Jack.
四、动词的主动形式表示被动之意
系动词无被动语态:以主动形式表示被动之意
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英语被动语态
常见的系动词有:
① be动词
②
……起来(7个):lookseemappear, feel(感觉,摸起来), sound,
smell, taste
e.g. She
seemsappears happy. It smells terrible.
③ (逐渐)变得变成:become, grow, get, turn, come, go
e.g. His wish has come true.
People often went
hungry in the old days.
The
tree is growing tall.
④ 保持:keep, stay
e.g. We must keep quiet in the
reading room.
五、下列动词(词组)没有被动式:
1、happen, take place, break out, belong to
,cost, take
2、不及物动词sell, wash, read , write, open, close,
shut, lock, wear等,常用主动形式表示
被动意义。
①、An accident was happened yesterday.(×)昨天发生了一起事故。
An accident happened
yesterday.(√)
②、The flower smells
sweet.这花闻起来很香。
③、The watch looks
good.这表看起来很好。
④、This book sells
well.这本书畅销。
⑤、The kind of cloth
washes well. 这种布很容易洗。
⑥、The
article reads well. 这篇文章读起来很好。
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英语被动语态
⑦、The supermarket
opens at 8:00 in the morning. 超市在早上八点钟营业。
⑧、The door won’t closeshut. 这门关不上。
⑨、The door locks easily. 这门容易锁。
⑩、This material wears well (won’t
wear). 这种材料耐久(不耐久)
六、各种时态的被动语态举例(以动词do为例)
1.一般现在时(am is
are +done)
English is spoken by
lots of people in the world. 世界上的许多人都说英语。
Class meeting is held every Thursday.
每周四都举行班会。
The classroom is cleaned
by the students every day. 学生们每天都打扫教室。
2.一般过去时(was were +done)
The cup
was broken by the boy. 杯子被那个男孩打碎了。
He was saved at last. 他最终获救了。
My
bike was stolen. 我的自行车被偷了。
3.一般将来时与过去将来时(will shall be +done; wouldshould be
+done)
A speech will be given this
afternoon. 今天下午有一个演讲。
A new road
will be built next year. 明年要修一条新马路。
I thought thousands of people would be helped.
我认为将有数千人得到帮助。
4.现在进行时与过去进行时(am is are
being +done; was were being +done)
The machine was being repaired at this time
yesterday. 昨天这时,机器正在被修理。
The
problem is being discussed now. 问题正在被讨论。
A bus is being pushed by the passengers.
路人正在推一辆公共汽车。
5.现在完成时(have has been +
done)
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英语被动语态
Two hundred trees have been planted by now.
到现在为止,已经种了二百棵树了。
The book has been
read many times by me. 这本书已经被我读了许多遍了。
6.过去完成时(had been+done)
They said
they had been invited to the party. 他们说已经被邀请参加晚会了。
She found the house had been
destroyed by the storm. 她发现房子已经被暴风雨摧毁。
He had been tortured by the illness for many years
before he died. 他在去世前已经被疾
病折磨很多年了。
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