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宾语从句讲解一概念宾语从句的概念:在句子中起宾语作用的从句叫做宾语从句二连词(引导词)连词: 1.连接代词(that,who,whom,what,which)2.连接副词(when,where,why,how)3.从属连词(if,whether)由一般疑问句转变而来的宾语从句,用if或whether引导.1.当宾语从句是陈述句时(包括肯定句和否定句),连词由that引导,因为that在从句中不作任何成分,也没有任何具体意思,因此在口语或非正式文体中常省略I think(that)hisownteamisevenbetter.Marysays(that)shewonttakepartinthesportsmeetingnextSunday.vJimthought(that)thetrainwaslikeabigmovingparty.vHesaid(that)hewouldliketoseetheheadmaster.2.当宾语从句是一般疑问句时,由连词whether或if引导(口语中常用if),因为if/whether可翻译成:“是否”,具有一定的意义,所以不能省略。Lilywantedtoknowif/whetherhergrandmalikedthehandbag.Letsseeif/whetherwecanfindoutsomeinformationaboutthatcity.vSheaskedmeif/whethershecouldborrowthesebooks.3.当宾语从句是特殊疑问句时,由连接代词(what,who,whom,which,whose)或连接副词(when,where,how,why)引导,因为连接代词或连接副词在从句中担任一定的句子成分,具有一定的意义,所以不可以省略v Doyouknowwhathesaidjustnow?Idontrememberwhenwearrived.IaskedhimwhereIcouldgetsomuchmoney.Pleasetellmewho(whom)wehavetosee.v Doyouknowwhattimetheplaneleaves?三宾语从句可分为三类A.动词的宾语从句1大多数动词都可以带宾语从句例:Hetoldusthattheywouldhelpusthroughthewholework.2部分“动词+副词”结构也可以带宾语从句例:Ihavefoundoutthatalltheticketsfortheconcerthavebeensoldout.我发现这场音乐会的所有票都卖光了.3动词短语也可以带宾语从句常见的这些词有:makesure确保makeuponesmind下决心keepinmind牢记例:Makesurethattherearenomistakesinyourpapersbeforeyouturnthemin.4可运用形式宾语it代替的宾语从句 词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.Ithinkitnecessarythatwetakeplentyofhotwatereveryday.我认为每天多喝开水是有必要的.有些动词带宾语从句时需要在宾语与从句前加it这类动词主要有:hate,take,owe,have,seeto.Ihateitwhentheywiththeirmouthsfulloffood.我讨厌他们满嘴食物时说话.若宾语从句是wh-类,则不可用it代替Weallconsiderwhatyousaidtobeunbelievable.我们都认为你所说的是不可信的.B.介词的宾语从句1.用wh-类的介词宾语从句 例:Wearetalkingaboutwhetherweadmitstudentsintoour club.我们正在讨论是否让学生加入我们的俱乐部.2.用that,if引导的介词宾语从句有时候except,but,besides三个介词后可见到that引导的宾语从句例:Iknownothingaboutmynewneighborexceptthatheusedtowork withacompany.对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.C.形容词的宾语从句用来引导宾语从句的形容词有:sure,certain,glad,please,happy,sorry,afraid,satisfied,surprised例:IamsureIwillpasstheexam.我确信我会通过考试.四宾语从句的时态1.如果主句是现在的时态(包括一般现在时,现在进行时,现在完成时),从句的时态可根据实际情况而定。Iknowheliveshere.Iknowhelivedheretenyearsago.vIhaveheardthathewillcometomorrow.2.如果主句是过去的时态(包括一般过去时,过去进行时),那么从句的时态一定要用相对应的过去的某种时态(包括一般过去时,过去进行时,过去将来时,过去完成时)vIknewwholivedhere.vIsawshewastalkingwithhermother.vHeaskedwhetherhisfatherwouldcomebacktomorrow.vHesaidthathehadseenit.3.当从句是客观真理,定义,公理,定理时用一般现在时。vTheteachersaidthatthesuntravelsaroundtheearth.五宾语从句的语序宾语从句的语序必须是陈述语序,即:连接词+主语+谓语+其他成分例:Ibelievethattheywillcomesoon.HeaskedmewhetherIwasateacher.Theywantedtoknowwhattheycandoforus. 六连接词的选择1. whether 与if 的选择二者在引导宾语从句时常可互换。但下列情况下只用whether ,不用if 。1) 宾语从句置于句首时。如:Whether he will succeed, I cant say.他是否会成功,我说不准。2) 宾语从句在介词后时。如:It depends on whether we have enough money.这取决于我们是否有足够的钱3) 后面紧跟or not 时。如:I dont know whether or not she can arrive on time.我不知道他是否能按时到。2.that与 what 的选择That只起连接作用,在从句中不充当任何成分,也无任何词义;what 引导宾语从句时,除起连接作用外,还可在从句中作主语、宾语、表语等成分。People have heard what the president has said, they are waiting to see _he will do. (2003)A. how B. what C. when D. that分析: do 为及物动词,所选词要做其宾语,故选B。3.连接代词 who ,whom, whose, what ,which , 和连接副词 how, when, where ,why 的选择。连接代词和连接副词的选择要把握两点:1)成分:连接代词在从句中作主语,、宾语、表语、定语;连接副词在从句中作状语。2)意义:无论是连接代词还是连接副词,都有各自的意义。I remember _this used to be a quiet village. (NMET93)A. when B. how C. where D. what分析:宾语从句是主系表结构,且主语和表语齐全,故从句中缺少状语,可排除D项,再结合句意“我记的这地方是个宁静的村庄的时候”,故选A。-Could you do me a favor?-It depends on _it is. (2006北京)A. which B. whichever C. what D. whatever (A)分析:没有范围的情况下用不能使用which .七引导宾语从句的that何时不能省略大家知道,that 引导宾语从句时,一般可以省略,但在下列情况下,引导宾语从句的常常不可省略。1.介词except ,but ,besides, in 等后跟that 引导的宾语从句时。如:The Swede stood quite still, except that his lips moved slightly.那个瑞典人站着一动不动,只是嘴巴还微微在动。2.That 引导的宾语从句和主句之间有插入语时。如:I think, first of all, that we must believe in ourselves.我认为,尤其重要的是,我们必须对自己有信心。He said, in his opinion, that Lei Feng was a good example of serving the people heart and soul.他说,按照他的看法,雷锋是一个全心全意为人民服务的榜样。3.宾语从句为主从复合句且从句位于主句之前时。如:He said that if he came back early, he could come for the meeting.他说,如果早回来的话,他会来参加会议的。Mary said that, as she was not well, she could not get the highest score in the mid-term exam.马里说,因为身体不好,她不可能在期中考试中得分最高4.当it 作形式宾语,后接that 引导的宾语从句时。如:We have made it clear that we will learn to deal with various difficult problems.我们已经表明,我们将学会处理各种难题We took it for granted
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