内容正文:
第十章 被动语态
一、被动语态的结构
被动语态表示主语是动作的承受者。被动语态是由“助动词be+及物动词的过去分词”构成的。被动语态主要用于两种情况:
1.不知道动作的执行者,或没有必要指出谁是动作的执行者时;
2.需要强调动作的执行者时。
教你巧学巧记:
当说话人强调或特别关心的是行为对象,即主动句中的宾语,或没有必要说出行为者是谁就用被动语态。其构成是用助动词be加上动词的过去分词。在被动句中语法上的主语是行为的承受者,而实际上的主语可用介词by来引导。据此编成如下顺口溜:
(1)
动作谁做的不知道,
说出谁做的不必要,
接受动作者要强调,
用被动语态最为妙。
(2)
被动特点强调宾(语),
用be加上过去分(词),
行为对象做主语,
逻辑主语by引。
(3)
被动不离“be”“p.p.”,
主谓一致莫忘记,
句中时态要留意,
“进行”易漏一个“be”。
例如:(1)Such books are written for children.→A new railway is being built.
(2)We love the Party. →The Party is loved by us.
(3) They were cleaning their classrooms. →Their classrooms are being cleaned by them.
英语中的五个基本句型中,只有三个可以用于被动语态。
(一)单宾语及物动词的被动语态
在一般情况下,将主动句中的宾语变为被动句的主语,动词变为被动语态,主动句的主语变为助的宾语,但时短语可以不要。如:
They found a wallet in the car.他们在车中捡到一个钱包。
→A wallet was found in the car.钱包是在车中捡到的。
(二)双宾语及物动词的被动语态
有些动词(如:give,tell,buy等)在句中做谓语时可有两个宾语(直接宾语和间接宾语),又称双宾语。含双宾语的主动结构变为被动结构时,可以将其中一个宾语变为主语,另一个保留不动。一般是将主动结构的间接宾语变为被动结构的主语。当直接宾语变为被动结构的主语时,间接宾语前应加介词to(有时可以省去)或for。如:
My mother gave me a pencil.→I was given a pencil by my mother.或:A pencil was given(to)me by my mother.(介词to可以省略)
Father bought me a new coat. →I was bought a new coat.或:A new coat was bought for me.(介词for不可省略)
注意:被动句中两个间接宾语对比时,其前的介词to不可省略。如:
This apple is given to me,not to you.这个苹果时给我的,不是给你的。
(三)复杂宾语及物动词的被动语态
有些动词后面可以跟“宾语+补足语”结构,这种结构被称作复合宾语。含复合宾语的主动结构变为被动结构时,只将主动结构中的宾语变为被动结构中的主语,宾语补足语保留不动,这时它就成了主语补足语。可以充当宾语补足语的有名词、形容词、动词不定式、现在分词和过去分词等。如:
They call her Xiao Gao. →She is called Xiao Gao(by them).
He told me to wait for you. →I was told to wait for you(by him).
I found him lying on the floor. →He was found lying on the floor(by me).
We painted the wall blue.→The wall was painted blue.
注意:在主动句中,动词不定式做感官动词(see,watch,hear等)和使役动词(make,have)的宾语补足语,通常省去动词不定式符号to。但改为被动结构后,要把省略了to再加上。但当动词是let时,其被动结构中不定式仍不带to。如:
They made him go there a