中考语法

  

  被动语态的应用

  语态是动词的一种形式,表示主语和谓语的关系。当主语是动作的执行者时用主动语态(某人做某事);当主语是动作的承受者时,用被动语态(某事被某人做)。

  一、各种时态的被动语态

  被动语态由“主语+be+及物动词的过去分词”构成,助动词有时态、人称和数的变化。

  

  二、主动语态变被动语态的方法

  第一步:先确定主动句的主、谓、宾,找出其中的谓语动词。

  第二步:把主动句中谓语动词后面的宾语变为被动句的主语,若宾语是人称代词,应把宾格变为主格。

  第三步:把主动句中的谓语动词变为“助动词be + 及物动词的过去分词”,但时态不能改变。

  第四步:把主动句中谓语动词前面的主语变为被动句中介词by的宾语(没必要说出动作的执行者时可省略),若主语是人称代词时,应把主格变为宾格。

  

  被动语态的几种特殊形式

  1. 主动句中感官动词see/hear/watch/feel等和使役动词make/let/have等后跟省略to的动词不定式,变为被动语态时应加上不定式符号to。例如:

  We saw an alien get out of the UFO.

  → An alien was seen to get out of the UFO.

  【温馨提示】

  后接现在分词作宾语补足语的动词变为被动语态时,宾补部分不变。

  对比:We heard Jim playing the guitar in his room.

  → Jim was heard playing the guitar in his room.

  2. 谓语动词后接双宾语(直接宾语和间接宾语)时,

  (1)把间接宾语变为主语,直接宾语不变。例如:

  He gave me a new book.

  ↓ ↓

  间接宾语 直接宾语

  →I was given a new book by him.

  (2)把直接宾语变主语,间接宾语不变。例如:

  He gave me a new book.

  ↓ ↓

  间接宾语 直接宾语

  →A new book was given to me by him.

  3. 句中谓语是动词短语时,变为被动语态时要注意其完整性。

  Jack turned on the TV just now.

  →The TV was turned on by Jack just now.

  4. 带有复合宾语的动词变为被动语态时,只须把宾语变为被动语态的主语,而宾语补足语仍保留在原处,作主语补足语。例如:

  Our teacher told us to clean the classroom at once.

  →We were told to clean the classroom at once by our teacher.

  5. 主动表被动

  (1) feel, look, sound, smell, taste等系动词的主动语态表示被动含义。例如:

  The dishes smell so delicious.

  菜闻起来真香。

  Your idea sounds better.

  你的主意听起来更好。

  (2)有些动词,如sell, cut, drive, wash, clean, write, open, lock等,作为不及物动词时可以用主动语态表示被动含义。例如:

  Books of Harry Potter sell well.

  《哈利·波特》系列的书很畅销。

  My pen writes smoothly.

  我的钢笔写起字来很流畅。

  (3) sth. need/ want/ require doing相当于

  sth. need/ want/ require to be done (不定式的被动结构)。例如:

  Your room needs cleaning. = Your room needs to be cleaned. 你的房间需要打扫了。

  (4) be worth doing(值得做) 中的doing表示被动含义。

  The movie is worth watching by everyone.

  这部电影值得所有人看一看。

  6. 不用被动语态的情况

  (1)系动词、不及物动词或某些动词短语没有被动语态。

  例如:come true; fall asleep; keep quiet; take place等;

  (2)主动句的宾语是不定式或doing时不能用作被动语态的主语;

  (3)反身代词或each other不能作被动语态的主语。

  7. 被动语态与系表结构的区别

  “be + p. p. ”表示动作时是被动语态;“be + p. p. ”

  表示主语所处的状态时是系表结构。

  (1)含有“by + 宾语”结构强调动作执行者,此时为被动语态。例如:

  The window is broken.

  窗户坏了。(系表结构)

  The window is broken by me.

  窗户是我打破的。(被动语态)

  (2)句中有地点、频率或时间状语时,一般是被动语态。例如:

  The door was closed.

  门是关着的。(系表结构)

  The door was closed at 9: 00.

  九点钟关的门。(被动语态)

  (3)系表结构中常用介词搭配,被动语态中没有介词搭配。例如:

  We’re worried about the boy.

  我们担心那个男孩。

  (4)系表结构的过去分词可以被副词修饰。例如:

  I’m really surprised at the news.

  我对这个消息真的感到很惊讶。

  (5)系表结构通常只有一般现在时和一般过去时,而被动语态可用于多种时态。

  中考真题解析:

  单项选择

  1. (2012·黔西南州中考)A football match between class two and class three _______ tomorrow afternoon.

  A. is held B. was held

  C. must be held D. will be held

  【解析】选D。由时间状语tomorrow afternoon可知时态为一般将来时,再由主语A football match与hold之间存在被动关系可知用被动语态,故选D。

  2. (2012·六盘水中考)Look at that sign. Smoking _______ here.

  A. isn’t allowed B. doesn’t allow

  C. aren’t allowed D. don’t allow

  【解析】选A。句意:看那个标识。这儿不准吸烟。smoking与allow之间存在被动关系,smoking是动名词,作主语时谓语动词用单数,故选A。

  3. (2011·重庆中考)I’m glad to find that many trees _______ in our city last year.

  A. plant B. planted

  C. were planted D. are planted

  【解析】选C。 many trees与plant之间存在被动关系,故用被动语态,再由时间状语last year“去年”可知时态为一般过去时,故选C。

  4. (2011·济南中考)—Let’s play computer games this evening.

  —It _______ good.

  A. sounds B. feels C. tastes D. smells

  【解析】选A。考查feel、look、sound、smell、taste等系动词的主动语态表示被动含义。句意:——让我们今天晚上玩电脑游戏吧!——听起来好极了。故选A。

  5. (2011·宁波中考)There was a big earthquake in Japan, but luckily many people _______.

  A. save B. saved

  C. are saved D. were saved

  【解析】选D。由主语和谓语动词是被动关系可知语态为被动语态,再由“There was. . . ”可知是过去时,因此用一般过去时的被动语态,故选D。

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