初中英语名词性从句详解 43页

名词性从句\n名词性从句主语从句宾语从句表语从句同位语从句主语从句在句中做------宾语从句在句中做------表语从句在句中做------同位语从句在句中-----主语宾语表语同位语1.Thathewillcomeiscertain.2.Iknowthathewillcome.3.ThetruthisthatIhavebeenthere.4.Thefactthatshewaslatesurprisedus.主语从句宾语从句表语从句同位语从句\n为什么叫名词性从句？_______________________整个从句相当于一个名词比较:Themanlookedaround.Thattheboyfailedagainintheexamdisappointedhismother.同样作主语，从句可以表示较复杂的含义,一般是个动作或性质Iknowhim.Iknowthatheiswritinghiscompositioninhisroom2.为什么要有名词性从句？那人看了看四周.(名词作主语)那孩子考试又不及格令他母亲很失望.(从句作主语)我知道他在房间里写作文.从句的特征:是一个句子,有一个引导词,引导词做从句的一个成分(that除外)名词能做的成分,从句都能做从句表达的意思比名词复杂得多\n主语从句thatwhetherwhowhomwhosewhatwhichwhenwherewhyhow从句引导词:1.ThatheknowsJapaneseisknowntoall.他懂英语,这一点大家都知道令我惊讶的是在这儿见到他.3.Whenhewillcomeisunknown.4.Whetherheiscomingdoesn’tmattermuch.他来不来没什么要紧的他什么时候来不清楚.他们是怎么登上山顶的仍是个秘密.5.Itremainsasecrethowtheyclimbedupthemountain.主语从句的位置1.在句首2.主语较长时通常放在后面,句首主语用It主语太长了!放到句尾That无词义,不可省略What“什么”,“所….的”2.Whatsurprisedmewastoseehimhere.When“什么时候”主语从句不用if位于句首\nIt作主语的常用句型有:1.It+be+形容词+that从句2.It+be+名称词组(duty/pity..)+that从句3.It+be+过去分词(said/thought..)+that从句4.It+不及物动词(seem/happen..)+that从句Itisapitythatwecan’tgoswimming.Itissaidthathetoldhereverything.IthappenedthatIwasoutthatday.Itiscertainthathewilldowellintheexam.真可惜我们不能去游泳.碰巧那天我外出了.他考试肯定会考好.据说他已告诉了她一切.注意:Itlookedthathewasright.(×)可以说:Itlooksasif….happen只有it句型Itissaid只有it句型More\n用形式主语it的主语从句常见结构Itisclear(necessary,important,possible,remarkablethat…很清楚（必要,重要,可能,值得注意等)…Itisafact(agoodthing,goodnews…)that…事实是(好事是,好消息是…)…Itiswell-known(reported,recorded,estimated,said,believed)that…众所周知(据报道,,据记载,据说,据估计)…Itturnsout(seems,happens,appears…)that…结果是(似乎是,碰巧是,好象是…)…Ithasbeenfound(hasbeenproved,canbeseen,mustbepointedout)that…已发现(已证明,可以看出,需指出)…\n用it句型翻译:据说今年高一学生要学新教材.事实是他们靠自己完成了所有的任务.碰巧他们已经参加过军训了.众所周知,比尔·盖茨是世界上最富有的人.我们应该养成好的学习习惯这很重要.ItissaidthattheSeniorGradeonestudentswilllearnanewtextthisyear.Itisafactthattheyfinishedalltheworkbythemselves.Ithappenedthattheyhadhadtheirmilitarytraining.Itiswell-knownthatBillGatesistherichestpersonintheworld.→→→→→Itisimportantthatwe(should)formagoodhabitofstudying.Note:Itisimportant/necessary/natural/ourduty/essential/strangethatsb(should)dosth.固定句型,should可以省略翻译:真奇怪他今天竟然迟到了.Itisstrangethatheshouldbelatetoday.strange不省略should为好√√\n表语从句1.Thetruthisthathehasneverbeentothecountryside.2.ThequestioniswhetherwcanfinishtheexperimentbyFriday.3.Itlooksasifitweregoingtorain.实际情况是他从未去过农村.that一般不省略问题在于我们能否在明天下午之前完成这项实验.表语从句不用if好象看上去要下雨似的.(其实不会)asif/asthough从句常表示不真实的情况Shetalksasif/asthoughshehadbeentherebefore.她说话的口气好象以前去过那儿似的.又比如:4.Thisschoolisnolongerwhatitwasbefore.这所学校已不再是从前的那个样子了.what=thethingthatMore系动词后面\n注意下列表语从句中where,how,why的译法ThisiswhereLuXunoncelived.Thatwashowtheywonthematch.Thisiswhyshegotupsoearlythismorning.这就是鲁迅曾经住过的地方.他们就是这样赢得这场比赛的.这就是她为什么今天早上起得这么早的原因.我们就是这样克服困难的.那就是他昨天缺席的原因.这就是我们上星期碰头的地方.Thisis/Thatwashowweovercamethedifficulties.Thatiswhyhewasabsentyesterday.ThisiswherewemetlastSunday.Thisis总是现在时Thatis表示性质Thatwas指过去动作固定句型:Thisiswhere…Thisiswhy…Thisishow….这就是…的地方这就是…的原因这就是…的方法\n宾语从句中的连接词that在以下三种情况下不能省略：（1）当that从句与另一名词性从句并列作宾语时，第二个that不能省；（2）当that作介词宾语时，that不可省掉。（3）用it做形式宾语的宾语从句Everyoneknewwhathappenedandthatshewasworried.Thereasonliesinthatsheworksharderthantheothersdo.宾语从句\nwhether与if的辨用表“是否”时，在下列情况下用whether。a.主语从句b.表语从句c.同位语从句e.介词后的宾语从句f.后接动词不定式(whethertodosth.)g.whetherornot连在一起引导宾语从句时不用if\n1).whether和if都可以引导宾语从句a..当whether后紧跟ornot时,不用if.eg:Idon’tknowwhetherornotIwillstay.b.介词后面的宾语从句不能用if.eg:IworryaboutwhetherIhurtherfeeling.2.注意whether和if的使用区别\nPracticetimeif/whether1.Iaskedher__________shehadabike.3.We’reworriedabout________heissafe.4.Idon’tknow___________heiswellornot.5.Idon’tknow________ornotheiswell.8.Idon’tknow_______togo.if/whetherwhetherwhether/ifwhetherwhether\nIdoubtif/whetherhewillpasstheexam.Idon’tdoubtthatwewillwinthematch.Doyoudoubtthathediditonhisown?doubt问题肯定句中用if/whether否定句中用that疑定句中用thatIdoubt_________heistellingthetruth.Weneverdoubt_________theplanwillbecarriedout.Doeshedoubt_________youarefromAustria?I’mdoubtful_________hewillagreetothis.if/whetherthatthatif/whether\n同位语从句被修饰词有:fact,news,hope,opinion,order,question,problem,belief,truth,theory,decision,discovery,conclusion,promise,rumor,fear,thought,suggestion,plan,idea…同位语从句说明它们的内容常见引导词:that,whether(if),how,wh-疑问词Thefactthatdeedsarebetterthanwordsisquiteclear.ThequestionhowIdiditishardtoanswer.Theyhadnoideawheretheyshouldgotofindsomefood.Thequestionwhetherhecomesornotisnotimportant.(if)Athoughtcametomethathemightbeinthelibrary.事实胜于雄辨这一道理非常清楚.我怎么做的这一问题难回答.他们根本不知去哪儿找食物他是否来这个问题不重要.我突然想到他可能在图书馆.被别的词隔开that无词义\n1.TwothirdsofallgirlsinBritainareonadiet./Thefactworriestheirparentsandteachersalot.2.TheQueenofEnglandwasonathree-dayvisitinChina./Weheardthenewslastnight._____________________________________________________Thefactthattwothirdsofallgirlsareonadietworriestheirparentsandteachersalot._____________________________________________________________WeheardthenewslastnightthattheQueenofEnglandwasonathree-dayvisitinChina.\n4.Timetravelispossible./Thereisnoscientificprooffortheidea.5.Chinesestudentsshouldbegivenmorefreetime./Thesuggestioniswelcomedbymanypeople,especiallykidsinschool.3.Teenagersshouldnotspendtoomuchtimeonline./ManyBritishparentsholdtheview.____________________________________________________ManyBritishparentsholdtheviewthatteenagersshouldn’tspendtoomuchtimeonline.____________________________Thereisnoscientificprooffortheideathattimetravelispossible.______________________________________________________ThesuggestionthatChinesestudentsshouldbegivenmorefreetimeiswelcomedbymanypeople,especiallykidsinschool.\n一、同位语从句与定语从句的相似之处1、两种从句都可以译成定语e.g.Thenewsthatourteamhaswonthefinalmatchisencouraging.（同位语从句）我们队取得决赛胜利的消息令人鼓舞。Thenewsthatyoutoldusisreallyencouraging.（定语从句）你告诉我们的消息真的令人鼓舞。\n2、两种从句都可以用that引导e.g.Thesuggestionthatstudentsshouldlearnsomethingpracticalisworthconsidering.（同位语从句）学生应该学些实用的东西的建议值得考虑。Thesuggestionthatisworthconsideringisthatthestudentsshouldlearnsomethingpractical.（定语从句）值得考虑的建议是学生应该学些实用的东西。\n二、同位语从句与定语从句的不同之处1、从句的作用不同：同位语从句用来进一步说明前面名词的内容；定语从句用来修饰、限定前面的名词。e.g.Thenewsthatourteamhaswonthefinalmatchisencouraging.（从句说明“消息”的内容：我们队取得了决赛胜利。）Thenewsthatyoutoldusisreallyencouraging.（从句对“消息”加以限定：是你告诉我们的，而非来自其他渠道。但消息是何内容却不得而知。）\n2、引导从句的关联词that的功能不同：that引导同位语从句时是一个纯连词，不充当任何成分；而引导定语从句的that是关系代词，既指代先行词又须在从句中充当成分。e.g.1)DadmadeapromisethathewouldbuymeCDplayerifIpassedtheEnglishtest.（that不充当任何成分）2)Dadmadeapromisethatexcitedallhischildren.（that指代promise，又在从句中充当主语。）\n考点之一:考查名词性从句中that与what的区别考例:_______wecan'tgetseemsbetterthan_______wehave.A.What;whatB.What;thatC.That;thatD.That;what分析:(注:划线的选项为最佳答案,下同.)在名词性从句中that与what的区别是:that在名词性从句中不作句子成分,只起连接作用;而what在名词性从句中不仅起连接作用,而且作句子成分.句子的意思是:我们不能得到的似乎比我们已经拥有的要好.此题考查了两个名词性从句:主语从句和宾语从句,what在这两个名词性从句中都作宾语.\n考点之二:考查名词性从句中的it作形式主语或形式宾语考例1:_______isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It分析:在这种名词性从句中为了保持句子的平衡,往往用先行词it作形式主语或形式宾语,而把真正的主语或宾语放到后面,尤其是that引导的主语从句往往用先行词it作形式主语.此句也可以改写为:ThatEnglishisbeingacceptedasaninternationallanguageisafact.考例2:Ihate_______whenpeopletalkwiththeirmouthsfull.A.itB.thatC.thisD.them分析:此题考查的是用先行词it作形式宾语,而把真正的宾语从句放到后面.其他几个词均不能作形式宾语.\n考点之三:考查名词性从句的语序考例:Thephotographswillshowyou_______.A.whatdoesourvillagelooklikeB.whatourvillagelookslikeC.howdoesourvillagelooklikeD.howourvillagelookslike分析:在名词性从句中,除了关联词要提到句首之外,一律要用陈述句语序。当关联词含疑问意义时,有的学生就会受习惯影响错误地使用疑问句语序。克服这种错误的关键是要找准从句中的主语和谓语。本题句子的意思是:这些照片会告诉你我们村子是什么样。本题中根据引导词what要作介词like的宾语,而副词how不能作介词like的宾语,所以首先排除C、D,而A项是疑问句语序,故只能选B。\n考点之四:考查名词性从句中的whether,if以及that的区别考例1:_______we'llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where分析:句子的意思是:我们明天是否去野营要视天气而定.whether与if当"是否"讲时的区别是:在引导宾语从句时两者可以互换,但在引导主语从句、表语从句和同位语从句以及介词后面的宾语从句或后面紧跟ornot时通常只能用whether,而不能用if.考例2:Whatthedoctorsreallydoubtis_______mymotherwillrecoverfromtheseriousdiseasesoon.A.whenB.howC.whetherD.why分析:本题句子的意思是:医生真正怀疑的是我母亲是否能很快从重病中恢复过来.whether引导的是表语从句.\n考例3:Itworriedherabit_______herhairwasturninggray.A.whileB.thatC.ifD.for分析:本题句子的意思是:头发变白使她有点儿不安。It作形式主语,that引导的是主语从句。whether,if以及that引导的名词性从句的区别是:whether与if(当"是否"讲时)引导的名词性从句含有疑问意义;而that引导的名词性从句不含有疑问意义。\n考点之五:考查名词性从句中的疑问词+ever引导的名词性从句及其与nomatter+疑问词引导的从句的区别考例1:Itisgenerallyconsideredunwisetogiveachild_______heorshewants.A.howeverB.whateverC.whicheverD.whenever分析:本题句子的意思是:一般认为孩子要什么就给什么是不明智的.whatever引导的是宾语从句,A.however和D.whenever是不能作宾语的;而C.whichever表示"无论哪一个、无论哪些",表示在一定范围内的人或事物,此处并不涉及"一定范围内的人或事物",所以也不能选.\n考例2:Sarahhopestobecomeafriendof______sharesherinterests.A.anyoneB.whomeverC.whoeverD.nomatterwho分析:本题句子的意思是:萨拉希望跟自己有共同爱好的人交朋友.疑问词+ever引导的名词性从句与nomatter+疑问词引导的从句的区别是:前者既可以引导名词性从句也可以引导让步状语从句;后者只能引导让步状语从句.首先排除D.而选A.anyone则应在其后加who.从句中需要的是主语,所以whomever也不行.\n考点之六:考查名词性从句的虚拟语气问题考例:Itisnecessarythatacollegestudent______atleastaforeignlanguage.A.mastersB.shouldmasterC.masteredD.willmaster分析:本题选B.句子的意思是:大学生至少应该掌握一门外语。It作形式主语,that引导的主语从句中谓语动词用虚拟语气。(1)在主语从句中用来表示惊奇、不相信、惋惜、理应如此等,谓语动词用虚拟语气"(should)+do",常用的句型有:I.Itisnecessary(important,natural,strange,etc.)that...II.Itisapity(ashame,nowonder,etc.)that...III.Itissuggested(requested,proposed,desired,etc.)that...如:Itisstrangethatshe(should)thinkso.\n(2)表示建议、请求、命令、要求、坚持等及物动词后面的宾语从句中要用虚拟语气,常用的这类动词有suggest,propose,insist,desire,demand,request,order,command等。如:Iinsistthatshe(should)doherworkalone.(3)主语是suggestion,proposal,request,decision等表示"建议、请求、要求、决定等"意思的词时,表语从句中谓语动词要用虚拟语气"(should)+do"。如:Hissuggestionisthatwe(should)holdanothermeetingtodiscussthequestion.\n(4)表示"建议、请求、命令、要求、决定等"意思的名词后面的同位语从句中谓语动词要用虚拟语气"(should)+do"。如:Theyreceivedordersthatthework(should)bedoneatonce.\nII.Choosethebestanswer1.Theyexpressedthehope___theywouldcomeovertoChina.A.whichB.thatC.whomD.when2.Thefact___hedidn’tseeTomyesterdayistrue.A.thatB.whichC.whenD.what3.Ihavenoidea____hewillcomeback.A.whereB.whenC.whatD.that\nII.Choosethebestanswer4.Thenews___surprisedeverybodyyesterdaynowprovestobefalse.A.thatB.whenC.whatD.how5.Oneofthemenheldtheview___thebooksaidwasright.A.whatthatB.thatwhichC.thatwhatD.whichthat6.Wordhascome___someAmericanguestswillcomeforavisittoourcollegenextweek.A.whatB.whetherc.thatD.which\n典型错误及归纳\n找出下列句子中的错误，并总结出规律：1.Canyoutellmehowmanystudentsarethereinyourclass?2.Idon'tknowwherehashegone.3.Theowneroftheshopcametoseewhatthematterwas.Canyoutellmehowmanystudentsthereareinyourclass?Idon'tknowwherehehasgone.Theowneroftheshopcametoseewhatwasthematter.规律一：名词从句中须使用陈述语序！\n找出下列句子中的错误，并总结出规律：4.Wesuggestedthatwewouldgotothecinema.5.Myideaisthatwemustdoourhomeworkfirst.6.Hisproposalthatwewentthereonfootisacceptable.Wesuggestedthatwe(should)gotothecinema.Myideaisthatwe(should)doourhomeworkfirst.Hisproposalthatwe(should)gothereonfoot…...规律二：注意虚拟语气的使用！问题：此类虚拟语气有哪些关键词？\n找出下列句子中的错误，并总结出规律：7.Ifwewillhaveameetinghasn'tbeendecidedyet.8.Itdependsoniftheweatherissuitableforustodoit.9.Thequestionisifhehimselfwillbepresentatthemeeting.10.HeaskedmeifIcouldgowithhimornot.Whetherwewillhaveameetinghasn’tbeendecidedyet.Itdependsonwhethertheweatheris…...Thequestioniswhetherhehimselfwillbepresent…...HeaskedmewhetherIcouldgowithhimornot.规律三：4种情况只能用whether：（1）位于句子开头；（2）前面有介词；（3）引导表语从句；（4）与ornot连用。\n名词性从句试题集锦1.Iaskher_______comewithme.A.ifshewillB.ifwillsheC.whetherwillsheD.willshe2._______hesaidistrue.A.WhatB.ThatC.WhichD.Whether3.Canyoutellme________?A.whoisthatgentlemanB.thatgentlemaniswhoC.whothatgentlemanisD.whomisthatgentleman4.Hedidn'tknowwhichroom_______.A.theylivedB.theylivedinC.didtheyliveD.didtheylivein5.Togetthejobstarted,_______Ineedissomemoney.A.onlywhatB.allwhatC.allthatD.onlythat6.Ihavenoidea_______fartherailwaystationisfromhere.A.whatB.howC.it'sD.that\n7.Canyoutellme_______therailwaystation?A.howIcangettoB.whatcanIgettoC.whereIcangottoD.wherecanIgetto8.Doyouknow_______?A.whatishisnameB.howishisnameC.whathisnameisD.howhisnameis9._______youhavedonemightdoharmtootherpeople.A.ThatB.WhatC.WhichD.This10.Theyhavenoideaatall________.A.wherehehasgoneB.wheredidhegoC.whichplacehashegoneD.wherehashegone11.Theywanttoknow_________dotohelpus.A.whatcantheyB.whattheycanC.howtheycanD.howcanthey12.Thesephotographswillshowyou_______.A.whatourvillagelookslikeB.whatdoesourvillagelooklikeC.howdoesourvillagelooklikeD.howourvillagelookslike\n13.Canyoumakesure________thegoldring?A.whereAlicehadputB.wherehadAliceputC.whereAlicehasputD.wherehasAliceput14.Noonecanbesure________inamillionyears.A.whatmanwilllooklikeB.whatwillmanlooklikeC.manwilllooklikeD.whatlookmanlike15.________the2008OlympicGameswillbeheldinBeijingisnotknownyet.A.WheneverB.IfC.WhetherD.That16.Goandgetyourcoat.It's________youleftit.A.thereB.whereC.therewhereD.wherethere17.Itworriedherabit_______herhairwasturninggray.A.whileB.thatC.ifD.for18._______hesaidatthemeetingastonishedeverybodypresent.A.WhatB.ThatC.ThefactD.Thematter\n19.—Doyouremember________hecame?—Yes,Ido.Hecamebycar.A.howB.whenC.thatD.if20._________wecan'tgetseemsbetterthan_________wehave.A.What;whatB.What;thatC.That;thatD.That;what21.________we'llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where22.Itisgenerallyconsideredunwisetogiveachild________heorshewants.A.howeverB.whateverC.whicheverD.whenever23.—IdrovetoZhuhaifortheairshowlastweek.—Isthat_________youhadafewdaysoff?A.whyB.whenC.whatD.where24.ThesewildflowersaresospecialthatIwoulddo________Icantosavethem.A.whateverB.thatC.whichD.whichever\n25.________youdon'tlikehimisnoneofmybusiness.A.WhatB.WhoC.ThatD.Whether26.Youcan'timagine________whentheyreceivedtheseniceChristmaspresents.A.howtheywereexcitedB.howexcitedtheywereC.howexcitedweretheyD.theywerehowexcited27.________causedtheaccidentisstillacompletemystery.A.WhatB.ThatC.HowD.Where28.Ihadneitheraraincoatnoranumbrella._________Igotwetthrough.A.It'sthereasonB.That'swhyC.There'swhyD.It'show\nThankyou