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1、精品资料欢迎下载语法专练 - 被动语态一、语态概述我吃了一个苹果,那现在苹果怎样了?苹果被我吃了。正如汉语中的被字句,英语中的“ 被字句 ” 我们称之为被动语态。英语中有两种语态:主动语态和被动语态。英语的语态是通过动词形式的变化表现出来的。主动语态表示主语是动作的执行者。巧记为:主动、主动、主去动。例如: Many people speak English. 谓语: speak 的动作是由主语many people 来执行的。被动语态表示主语是动作的承受者,即行为动作的对象。 巧记为:被动、被动、主被动。例如:English is spoken by many people.主语 Engli
2、sh是动词 speak 的承受者。例如: He opened the door.他开了门。 (主动句 ) The door was opened.门被开了。 ( 被动句 ) 二、被动语态的构成被动语态由“be及物动词的过去分词”构成。不及物动词本身没有被动语态。及物动词 - 本身意义不完整,后必须带宾语,有些还可以带双宾。不及物动词 - 本身意义完整,不需要带宾语,如带宾语必须通过介词。人称、数和时态的变化是通过be 的变化表现出来的。现以eat 为例说明被动语态在各种时态中的构成。一般现在时:am is areeaten 一般过去时:was wereeaten 一般将来时:will/shal
3、l/be going to be eaten 过去将来时:would/should/be going to beeaten 现在进行时:am is are beingeaten 过去进行时:was were being eaten 现在完成时:havehas been eaten 过去完成时:had been eaten 歌诀是:被动语态be 字变,过去分词跟后面。三、被动语态的用法 (1)不知道或没有必要说明动作的执行者是谁。例如: some new computers were stolen last night. 一些新电脑在昨晚被盗了。( 不知道电脑是谁偷的) This book wa
4、s published in 1981.这本书出版于1981 年。(没有必要或说出出版者) (2)强调动作的承受者,而不强调动作的执行者。例如: The window was broken by mike.窗户是迈克打破的。 This book was written by Lunxun.这本书是他写的。 Eight hours per day for sleep must be guaranteed.每天 8 小时睡眠必须得到保证。歌诀:谁做的动作不知道,说出谁做的没有必要;动作承受者需强调,被动语态运用到。 (3) 为了更好地安排句子。例 The well-known person got
5、 on the bus and was immediately recognized by people. (一个主语就够了)四、主动语态变被动语态的方法 (1)把主动语态的宾语变为被动语态的主语。 (2)把谓语变成被动结构(be 过去分词 ) (根据被动语态句子里的主语的人称和数,以及原来主动语态句子中动词的时态来决定be 的形式 ) 。 (3)把主动语态中的主语放在介词by 之后作宾语,将主格改为宾格。例如: All the people laughed at him. - He was laughed at by all people. They make the bikes in th
6、e factory. -The bikes are made by them in the factory. 歌诀是:宾变主,主变宾,by 短语后面跟。谓语动词变被动,be 后“过分”来使用。五、含有情态动词的被动语态精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页,共 4 页精品资料欢迎下载含有情态动词的主动句变成被动句时,由“情态动词be过去分词”构成,原来带to 的情态动词变成被动语态后“ to ”仍要保留。歌诀是:情态动词变动,情态加be 加“过分”。例如: we can repair this watch in two days.
7、-This watch can be repaired in two days. We must finish this work soon. -This work must be done soon. 六、主动语态变被动语态需要注意的几个问题. (1)时态保持一致。I have repaired my computer.-My computer has been repaired. (2)谓语为动词短语的被动语态不能丢掉动词短语的介词或副词。His best friend often looks after him. -He is often looked after by his best
8、 friend. (3) 主动语态中若有双宾语, 将其中一个宾语变为被动句的主语, 另一个宾语不变。 动词 make/buy/get用 for;动词 give/send/lend/take用 to) Vivian gave me a book. ( 双宾语,人间物直, me 为间接宾语, a book 为直接宾语 ) - I was given a book by Vivian. -A book was given to me by Vivian.(直接宾语提前时,要在间接宾语前加介词)(4)主动语态若有复合宾语,(即句子结构为主及物动词宾宾补),将主动句的宾语变为被动句的主语,宾补不变。Th
9、ey call him Louis. -He is called Louis. (5)当“动词 +宾语 +宾语补足语”结构变为被动语态时,将宾语变为被动结构中的主语,其余不动。例 Someone caught the boy smoking a cigarette. 可改为 The boy was caught smoking a cigarette. (6)主动语态句中动词make, have, let(使 sb 做 sth), notice. see. watch, look at, hear, listen to, feel等变成被动语态时,后面的不定式需要加上to. Mr. Lee m
10、ade him wash the dishes. -He was made to wash the dishes. (7)有些相当于及物动词的动词词组,如“动词介词”,“动词副词”等,也可以用于被动结构,但要把它们看作一个整体,不能分开。其中的介词或副词也不能省略。例 The meeting is to be put off till Friday. (8)非谓语动词的被动语态 v.+ing 形式及不定式 to do 也有被动语态 ( 一般时态和完成时态) 。例 I dont like being laughed at in the public. (9)It is said that+从句及
11、其他类似句型一些表示“据说”或“相信”的动词如believe, consider, expect, report, say, suppose, think等可以用于句型“ It be过去分词that从句”或“主语be过去分词 to do sth.”。有:It is said that 据说 ,It is reported that据报道, It is believed that大家相信,It is hoped that 大家希望, It is well known that 众所周知, It is thought that 大家认为, It is suggested that 据建议。例 It
12、 is said that the boy has passed the national exam. ( The boy is said to have passed the national exam. )七、谓语动词的主动形式表示被动意义1、(1). 英语中有很多动词如 break ,catch ,clean ,drive ,lock ,open,sell ,read ,write ,wash等,当它们被用作不及物动词来描述主语特征时,常用其主动形式表达被动意义 , 主语通常是物。例 This kind of cloth washes well. 注意:主动语态表被动强调的是主语的特征,
13、而被动语态则强调外界作用造成的影响。试比较: The door wont lock (指门本身有毛病)The door wont be locked (指不会有人来锁门, 指“门没有锁”是人的原因)( 2) 表示“发生、进行”的不及物动词和短语,如:happen, last, take place, break out, come out, come about, come true, run out, give out, turn out等以主动形式表示被动意义。例 How do the newspapers come out? 这些报纸是如何引出来的呢?精选学习资料 - - - - - -
14、 - - - 名师归纳总结 - - - - - - -第 2 页,共 4 页精品资料欢迎下载( 3) 系动词没有被动形式, 但有些表示感受、感官的连系动词feel, sound, taste, book, feel等在主系表结构中常以主动形式表示被动意义。例 Your reason sounds reasonable 2、在某些句型中可用动名词和不定式的主动形式表被动意义。( 1) 在 need, want,require, bear 等词的后面,动名词用主动形式表示被动意义,其含义相当于动词不定式的被动形式。例 The house needs repairing(to be repaired
15、)这房子需要修理。( 2) 形容词 worth 后面跟动名词的主动形式表示被动含义,但不能跟动词不定式;而worthy 后面跟动词不定式的被动形式。例 The picture-book is well worth reading( The picture-book is very worthy to be read)(3) 动词不定式在名词后面作定语,不定式和名词之间有动宾关系时,又和句中另一名词或代词构成主谓关系 , 不定式的主动形式表示被动含义。例 I have a lot of things to do this afternoon (to do与 things是动宾关系,与I 是主谓关
16、系。 ) 试比较: I ll go to the post office. Do you have a letter to be posted? ( 此处用不定式的被动语态作定语表明you 不是 post 动作的执行者。) (4) 在某些“形容词不定式”做表语或宾语补足语的结构中,句子的主语或宾语又是动词不定式的逻辑宾语时,这时常用不定式的主动形式表达被动意义。这些形容词有nice , easy, fit, hard , difficult, important,impossible,pleasant ,interesting等。例 This problem is difficult to w
17、ork out .(可看作to work out省略了 for me ). (5) 在 too to 结构中,不定式前面可加逻辑主语,所以应用主动形式表示被动意义。例 This book is too expensive (for me) to buy. (6) 在 there be 句型中,当动词不定式修饰名词作定语时,不定式用主动式作定语,重点在人,用被动形式作定语,重点在物。例 There is no time to lose(to be lost)(用 to lose可看成 for us to lose;用 to be lost,谁 lost time 不明确。)(7) 在 be to
18、 do结构中的一些不定式通常应用主动表主动, 被动表被动。然而, 由于古英语的影响, 下列动词 rent,blame,let等仍用不定式的主动形式表示被动意义。例 Who is to blame for starting the fire? 八、介词in, on, under等+名词构成介词短语表被动意义表示方位的介词与含动作意义的名词合用,含被动之义, 其意义相当于该名词相应动词的被动形式,名词前一般不用冠词。(1) “under +名词”结构, 表示“某事在进行中”。常见的有: under control (受控制) , under treatment(在治疗中) , under repa
19、ir (在修理中) , under discussion(在讨论中) , under construction(在施工中)。例 The building is under construction( is being constructed). ( 2)“beyond+名词”结构,“出乎胜过、范围、限度”。常见的有:beyond belief (令人难以置信 ) , beyond ones reach (鞭长莫及), beyond ones control(无法控制),beyond our hope 我们的成功始料不及。例 The rumour is beyond belief(=cant b
20、e believed)(3)“above+名词”结构, 表示“ ( 品质、行为、能力等) 超过、高于”。例 His honest character is above all praise =His honest character cannot be praised enough(4)“for+ 名词”结构,表示“适于、为着”。如:for sale(出售 ), for rent(出租)等。例 That house is for sale. (= That house is to be sold). (5)“in+ 名词”结构,表示“在过程中或范围内”常见的有:in print(在印刷中),i
21、n sight(在视野范围内 ) ,等。例 The book is not yet in print(=is not yet printed) 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页,共 4 页精品资料欢迎下载(6)“on+名词”结构, 表示“在从事 中”。常见的有:on sale(出售 ) ,on show (展出) , on trial(受审)。例 Today some treasures are on show in the museum (= are being showed). ( 7)“out of+名词”结构; 表示“超出 之外“,常见的有:out of control (控制不了 ) ,out of sight (超出视线之外), out of ones reach( 够不着), out of fashion(不流行 ) 等。例 The plane was out of control (cant be controlled)。(8)“within+ 名词”结构,“在内、不超过”。例 He took two days off within the teachers permission 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页,共 4 页
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