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大学英语四六级语法篇---被动语态的用法与结构

2025-02-21 00:10

来源:新东方四六级网

作者:新东方四六级网

一、被动语态的定义
被动语态(Passive Voice)是一种动词形式,用于强调动作的承受者,而不是动作的执行者。在被动语态中,句子的主语通常是动作的承受者,而动作的执行者(如果有)则通过“by + 人/物”表达。
 
二、被动语态的结构
被动语态由“be + 动词的过去分词”构成,根据时态不同,be 动词的形式也会变化。
1. 一般现在时的被动语态
结构:am/is/are + 过去分词
例句:
The book is written by him.(这本书是他写的。)
English is spoken all over the world.(英语在全世界被使用。)
 
2. 一般过去时的被动语态
结构:was/were + 过去分词
例句:
The letter was sent yesterday.(这封信昨天被寄出了。)
The windows were broken by the children.(窗户被孩子们打破了。)
 
3. 一般将来时的被动语态
结构:will be + 过去分词
例句:
The meeting will be held tomorrow.(会议将在明天举行。)
The new bridge will be built next year.(新桥将在明年建成。)
 
4. 现在进行时的被动语态
结构:am/is/are being + 过去分词
例句:
The house is being built.(房子正在被建造。)
The car is being repaired.(汽车正在被修理。)
 
5. 过去进行时的被动语态
结构:was/were being + 过去分词
例句:
The dinner was being prepared when I got home.(我到家时,晚餐正在被准备。)
The document was being printed when the power went off.(停电时,文件正在被打印。)
 
6. 现在完成时的被动语态
结构:has/have been + 过去分词
例句:
The project has been completed.(项目已经完成了。)
The book has been translated into many languages.(这本书已经被翻译成多种语言。)
 
7. 过去完成时的被动语态
结构:had been + 过去分词
例句:
The work had been finished before he arrived.(在他到达之前,工作已经完成了。)
The letter had been sent before I got home.(我到家之前,信已经寄出了。)
 
三、被动语态的特殊情况
1. 含有感官动词或使役动词的被动语态
在主动语态中,感官动词(如see, hear, feel)和使役动词(如make, let, have)后面接不带to的不定式,但在被动语态中,需要加上to。
例句:
Active: I saw him cross the street.
Passive: He was seen to cross the street.
Active: She made him do it.
Passive: He was made to do it.
 
2. 被动语态中的“by”短语
被动语态中,动作的执行者通常通过“by + 人/物”表达,但在某些情况下可以省略,尤其是当执行者不重要或未知时。
例句:
The window was broken by the children.(窗户被孩子们打破了。)
The letter was sent.(信被寄出了。)
 
3. 被动语态与系表结构的区别
系表结构(如“be + 形容词”)和被动语态在形式上可能相似,但含义不同。系表结构中的形容词通常没有动作含义,而被动语态中的过去分词表示动作。
例句:
The door is open.(门是开着的。)——系表结构
The door was opened by someone.(门被某人打开了。)——被动语态
 
四、被动语态的练习
The book ________ written by him.
A. is
B. was
C. has been
D. will be
答案:C(现在完成时的被动语态,强调动作对现在的影响。)
The meeting ________ held tomorrow.
A. is
B. will be
C. was
D. has been
答案:B(一般将来时的被动语态。)
The house ________ built.
A. is being
B. was being
C. has been
D. will be
答案:A(现在进行时的被动语态,表示动作正在进行。)
The letter ________ sent before I got home.
A. had been
B. was
C. has been
D. will be
答案:A(过去完成时的被动语态,表示动作在过去的某个时间之前已经完成。)
He was seen ________ the street.
A. cross
B. to cross
C. crossing
D. crossed
答案:B(被动语态中,感官动词后的不定式需要加to。)
 
五、总结
被动语态是英语中重要的语法结构,用于强调动作的承受者而非执行者。掌握不同时态的被动语态结构,以及特殊情况下的用法,可以帮助你更准确地表达被动意义。希望这篇文章能帮助你更好地理解和运用被动语态。

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