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名词性从句一直备受高考命题者的关注,近几年来的高考题主要考查在具体语境中连接词的选择,尤其是连接词what和that的辨析,以及whether与if表示“是否”时的区别。因此,正确区分名词性从句的类型,根据在从句中的作用和所表达的意义,确定恰当的连接词是一轮复习的重点。此外,名词性从句和定语从句的辨析,也是高考考查的重点。一、认识各种名词性从句名词性从句相当于名词,可分别作句子的主语、表语、宾语和同位语。因此,名词性从句具体分为主语从句、表语从句、宾语从句和同位语从句。名词性从句中的连接词有连词that/whether/if,连接代词what/who(m)/which/whose/whatever/whoever/whomever/whichever,连接副词where/when/why/how。矚慫润厲钐瘗睞枥庑赖。从名词性从句在句中所起的作用来说,名词性从句是句子不可缺少的一部分,和句子的其他成分之间也不会用逗号隔开。而定语从句和状语从句是句子中的修饰成分,去掉之后不会影响句子主体结构的完整性。这是判断是否是名词性从句最主要的特征。如:聞創沟燴鐺險爱氇谴净。Iwonderhowmuchtheseshoescost.(宾语从句,不可省去)HeistheverymanIlookafter.(定语从句,修饰theman)Youmayborrowthebookaslongasyoukeepitclean.(状语从句)残骛楼諍锩瀨濟溆塹籟。1.主语从句Whowillgoisnotimportant.Itdoesn"tmattersomuchwhetheryouwillcomeornot.(形式主语it代替后面的真正的主语从句)酽锕极額閉镇桧猪訣锥。注意:that引导主语从句放于句首时,不能省略。Thathesuddenlyfellilllastweekmadeussurprised.彈贸摄尔霁毙攬砖卤庑。
2.表语从句Thequestionwaswhocouldgothere.Myideaisthatwecangetmorepeopletohelpinthework.謀荞抟箧飆鐸怼类蒋薔。Thatiswhythebrotherswantedtomakeabet.Itlookedasifitwasgoingtorain.3.宾语从句Ihope(that)everythingisallright.注意:(1)that在引导宾语从句时,常可省略,但如果有两个以上的宾语从句时,最后一个从句的that不能省略。如:厦礴恳蹒骈時盡继價骚。Iknow(that)hehasjustgraduatedfromcollegeandthatheislookingforajob.茕桢广鳓鯡选块网羈泪。(2)如果动词宾语后又有补语,那么要使用it作形式宾语,然后把宾语从句放在补语之后。如:Imakeitknownthatwe"llbeinvitedtotheball.(3)如果主句的谓语动词的时态是一般过去时,那么从句的时态要采用相应的与过去有关的时态,但如果从句描述的是客观事实,从句时态不可调整“呼应”。如:鹅娅尽損鹌惨歷茏鴛賴。Sherememberedthatshehadleftherwalletattheschoolgate.籟丛妈羥为贍偾蛏练淨。Ourteachersaidthatlighttravelsfasterthansound.預頌圣鉉儐歲龈讶骅籴。4.同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news,fact,idea,suggestion,promise等)之后,说明该名词的具体内容。如:渗釤呛俨匀谔鱉调硯錦。Ihavenoideawhenhewillbeback.Thefactthathehadnotsaidanythingsurprisedeverybody.铙誅卧泻噦圣骋贶頂廡。注意:在动词:一坚持(insist)、二命令(order,command)、三建议(suggest,advise,recommend)、四要求(demand,require,request,ask)后的宾语从句和这些动词的过去分词后的主语从句,以及这些动词的名词引出的表语从句和同位语从句中,谓语部分常用(should)do形式。如:擁締凤袜备訊顎轮烂蔷。
Heinsistedthathe(should)tryonceagain.Hisadviceisthateveryone(should)dohisbesttohelpthepoorgirl.贓熱俣阃歲匱阊邺镓騷。Itisrequiredthatstudents(should)attendatleast90%ofthelectures.坛摶乡囂忏蒌鍥铃氈淚。二、名词性从句的连接词名词性从句的连接词是名词性从句中最核心的问题,也是高考的常考点。连接词的选择要考虑它在从句中的作用和所表达的意义。蜡變黲癟報伥铉锚鈰赘。连接词词义在句中所例句作成分从属连词that//Theproblemisthatwedon"thaveenoughmoney.if/whether是否/Thequestioniswhethertheyhavesomuchmoney.连接词词义在句中所例句作成分
连接代词who/whom/which/whose/what原疑问代词的意义;what更常表示:thethingthat/the…that所……的东西/……主语、宾语、表语、定语①Payattentiontowhattheteachersaid.②Whokeptthedooropenallnightwasunknown.whoever/whomever/whichever/whatever无论谁/无论哪个(些)/无论什么主语、宾语、表语、定语①Whoeverbreaksthelawwillbepunished.②Youcantakewhicheverbookyoulike.连接词词义在句中所作成分例句连接副词when/where/why/how原疑问副词的意义或“……的时间(thetimewhen);……的地点(theplacewhere);……的原因(thereasonwhy)”;……的方式(thewaythat)状语①Whenhewillgoisunknown.②Iwonderwhyhetriedtoavoidme.③ThisroomiswhereIwasborn.④Thisishowwework.
1.what与that(1)【误】Allwhathedidwasforyou.【正】Whathedidwasforyou.【正】Allthathedidwasforyou.(2)【误】IwasthinkingthatIcoulddoforyou.【正】IwasthinkingwhatIcoulddoforyou.【解析】what引导名词性从句,what相当于thethingthat/the…that/allthat等,具体的意义要根据上下文确定。在名词性从句中,what既有意义,又在从句中作一定的成分,而that无意义,且在从句中不作成分。買鲷鴯譖昙膚遙闫撷凄。2.who与whoever【误】Whoisthefirsttocomewillgetagift.【正】Whoeveristhefirsttocomewillgetagift.【正】Anyonewhoisthefirsttocomewillgetagift.綾镝鯛駕櫬鹕踪韦辚糴。【解析】whoever引导名词性从句,意为“无论谁”,相当于anyonewho;而who意为“谁”。驅踬髏彦浃绥譎饴憂锦。3.whether与if(1)【误】Theydon"tknowiftogothere.【正】Theydon"tknowwhethertogothere.(2)【误】Itdependsonifwehaveenoughtime.【正】Itdependsonwhetherwehaveenoughtime.【解析】在以下情况只能用whether不能用if:①作介词宾语时,连接词一般用whether。Italldependsonwhethertheywillcomeback.
②后面直接跟ornot时,用whether。Ididn"tknowwhetherornothehadarrivedinWuhan.猫虿驢绘燈鮒诛髅貺庑。③主语从句、表语从句和同位语从句中,只能用whether。Whetherthemeetingwillbeputoffhasnotbeendecidedyet.锹籁饗迳琐筆襖鸥娅薔。Thequestioniswhethertheyhavesomuchtime.④whether可与动词不定式连用,但if不能。Ihavenotdecidedwhethertogoornot.⑤whether可引导一个让步状语从句,表示“不管,无论”,而if不能。Whetherhecomesornot,wewillbeginourpartyontime.構氽頑黉碩饨荠龈话骛。4.whoever与whomever【误】Pleasegivethebooktowhomeverneedsitmost.輒峄陽檉簖疖網儂號泶。【正】Pleasegivethebooktowhoeverneedsitmost.【解析】此处,whoever在从句中作主语,因此不能用whomever。名词性从句引导词的选择要注意其意义及它在从句中所作的成分。尧侧閆繭絳闕绚勵蜆贅。5.【误】Hewillwinthematchiscertain.【正】Thathewillwinthematchiscertain.【正】Itiscertainthathewillwinthematch.【解析】that位于句首引导主语从句时,不能省略。6.【误】Whatweboughtwassomebananas.【正】Whatweboughtweresomebananas.【解析】what引导的从句作主语时,若表示复数概念,谓语动词则用复数。7.名词性从句的语序【误】Sonowyouknowwhatshouldyoudo.【正】Sonowyouknowwhatyoushoulddo.【解析】名词性从句应用陈述语序。
8.【误】There"safactthatEnglishisbeingacceptedasanimportantlanguage.识饒鎂錕缢灩筧嚌俨淒。【正】It"safactthatEnglishisbeingacceptedasanimportantlanguage.凍鈹鋨劳臘锴痫婦胫籴。【解析】Itisafactthat…句型中,It为形式主语,真正的主语为后面的that…从句。it不能换成there。恥諤銪灭萦欢煬鞏鹜錦。9.【误】Heislate.That"swhyhegotuplatethismorning.鯊腎鑰诎褳鉀沩懼統庫。【正】Heislate.That"sbecausehegotuplatethismorning.硕癘鄴颃诌攆檸攜驤蔹。【解析】That"swhy………的原因;That"sbecause…那是因为……此处起床晚是迟到的原因,故用That"sbecause…阌擻輳嬪諫迁择楨秘騖。10.【误】We"lldiscusstheproblemthatthesportsmeetingwillbeheldinBeijingStadium.氬嚕躑竄贸恳彈瀘颔澩。【正】We"lldiscusstheproblemwhen/whetherthesportsmeetingwillbeheldinBeijingStadium.釷鹆資贏車贖孙滅獅赘。【解析】如果用that引导同位语从句意义不完整,这时可根据情况选用whether,when等。1.[2010·全国卷Ⅰ]Wehaven"tdiscussedyet________wearegoingtoplaceournewfurniture.怂阐譜鯪迳導嘯畫長凉。A.thatB.whichC.whatD.where【解析】Dwhere引导宾语从句,在从句中作地点状语。2.[2009·北京卷]Atfirsthehatedthenewjobbutdecidedtogivehimselfafewmonthstosee________itgotanybetter.谚辞調担鈧谄动禪泻類。A.whenB.howC.whyD.if【解析】D 考查宾语从句的引导词的选择。句意为:最初他不喜欢这份新工作,但是他决定给自己几个月的时间来看一下这份工作是否会变得更好。所以用if引导宾语从句。
嘰觐詿缧铴嗫偽純铪锩。3.[2010·全国卷Ⅱ]—Haveyoufinishedthebook?—No.I"vereadupto________thechildrendiscoverthesecretcave.熒绐譏钲鏌觶鷹緇機库。A.whichB.whatC.thatD.where【解析】D 考查宾语从句连接词。答句句意为:我已经读到孩子们发现神秘洞穴的部分。where引导的从句充当upto的宾语,强调地点概念。鶼渍螻偉阅劍鲰腎邏蘞。4.[2010·福建卷]Weshouldrespectfoodandthinkaboutthepeoplewhodon"thave________wehavehereandtreatfoodnicely.纣忧蔣氳頑莶驅藥悯骛。A.thatB.whichC.whatD.whether【解析】C 考查引导词。句意为:我们应该尊重食物,考虑那些没有我们拥有的东西并很好地对待食物的人们。who引导的定语从句修饰thepeople,定语从句中又含有一个宾语从句,这个宾语从句中wehave缺少宾语,所以用what引导宾语从句。颖刍莖蛺饽亿顿裊赔泷。5.________theflighttoNewYorkwillbedelayedis________I"mespeciallyworriedabout.濫驂膽閉驟羥闈詔寢賻。A.If;whatB.Whether;thatC.When;thatD.Whether;what【解析】D 句意为:到纽约的航班是否会被耽搁是我特别担心的事情。放在句首的主语从句表“是否”要用whether引导,而不能用if,what引导表语从句。表示所担心的事情。选D。銚銻縵哜鳗鸿锓謎諏涼。6.[2010·重庆卷]Toimprovethequalityofourproducts,weaskedforsuggestions________hadusedtheproducts.挤貼綬电麥结鈺贖哓类。A.whoeverB.whoC.whicheverD.which【解析】
A 考查宾语从句引导词。句意为:为了提高产品的质量,我们向任何使用过我们产品的人征求意见。这里可以表示“任何人”的只有whoever,引导宾语从句,在从句中作主语。正常语序应为…askedwhoeverhadusedtheproductsforsuggestions。赔荊紳谘侖驟辽輩袜錈。7.[2010·北京卷]________somepeopleregardasadrawbackisseenasaplusbymanyothers.塤礙籟馐决穩賽釙冊庫。A.WhetherB.WhatC.ThatD.How【解析】B 本题考查主语从句的引导词。在主语从句________somepeopleregardasadrawback中,regard缺少宾语,选B。裊樣祕廬廂颤谚鍘羋蔺。8.[2010·北京卷]Iwanttobelikedandlovedfor________Iaminside.仓嫗盤紲嘱珑詁鍬齊驁。A.whoB.whereC.whatD.how【解析】C 本题考查名词性从句的引导词。for后跟宾语从句,从句中am后缺少表语,故用what,相当于一个名词加that。绽萬璉轆娛閬蛏鬮绾瀧。9.[2010·北京卷]PartofthereasonCharlesDickenslovedhisownnovel,DavidCopperfield,was________itwasrathercloselymodeledonhisownlife.骁顾燁鶚巯瀆蕪領鲡赙。A.whatB.thatC.whyD.whether【解析】B 本题考查表语从句的引导词。当thereason作主语,后面接表语从句时,习惯上用that来连接。瑣钋濺暧惲锟缟馭篩凉。10.Mumiscoming.Whatpresent________foryourbirthday?鎦诗涇艳损楼紲鯗餳類。A.youexpectshehasgotB.youexpecthasshegotC.doyouexpectshehasgotD.doyouexpecthasshegot【解析】C 考查双重疑问句,疑问词+doyouthink/believe/expect+句子的其他成分(句子用陈述句语序)。栉缏歐锄棗鈕种鵑瑶锬。
11.Peoplebelievethatthereisnodoubt________acureforH1N1hasbeenfound.辔烨棟剛殓攬瑤丽阄应。A.whichB.thatC.whatD.whether【解析】B 考查同位语从句。Thereisnodoubtthat为固定句型,that在从句中不充当成分。峴扬斕滾澗辐滠兴渙藺。12.[2010·江苏卷]—IprefershuttingmyselfinandlisteningtomusicalldayonSundays.詩叁撻訥烬忧毀厉鋨骜。—That"s________Idon"tagree.Youshouldhaveamoreactivelife.则鯤愜韋瘓賈晖园栋泷。A.whereB.howC.whenD.what【解析】A 本题考查名词性从句。where引导表语从句,在从句中作地点状语。注意agree是不及物动词。胀鏝彈奥秘孫戶孪钇賻。13.Fathermadeapromise________Ipassedtheexaminationhewouldbuymeanewdictionary.鳃躋峽祷紉诵帮废掃減。A.thatB.ifC.whetherD.thatif【解析】D that引导同位语从句。在同位语从句中又含有一个由if引导的条件状语从句。14.________childrenshouldlearnfromaroundusisaquestionofgreatimportance.稟虛嬪赈维哜妝扩踴粜。A.WhereB.WhomC.WhenD.How【解析】B 考查对句式和引导词的判断能力。分析句子结构可排除A、C、D,也可根据句意“孩子们该向谁学习……”得知答案。陽簍埡鲑罷規呜旧岿錟。15.—Alicelooksbluetoday.—Yes,Iaskedher,butshewouldn"tsay________troubledher.沩氣嘮戇苌鑿鑿槠谔應。
A.whywasitthatB.thatwaswhyC.itwaswhatD.whatitwasthat【解析】D 考查宾语从句的语序和强调句型。句意为:“爱丽丝今天显得沮丧。”“是的,我问她为何,她没说究竟是什么让她伤心。”钡嵐縣緱虜荣产涛團蔺。16.[2010·浙江卷]—Howaboutcampingthisweekend,justforachange?懨俠劑鈍触乐鹇烬觶騮。—OK,________youwant.A.whicheverB.howeverC.whateverD.whoever【解析】C 句意:“这个周末野营怎么样,来点新鲜的?”“好啊,按你的意思吧!”答语中谓语动词want缺少宾语,排除B、D项;whichever需要在语境中给出具体范围,所以排除A项。whatever等于anythingthat。謾饱兗争詣繚鮐癞别瀘。17.[2010·陕西卷]Itneveroccurredtome________youcouldsucceedinpersuadinghimtochangehismind.呙铉們欤谦鸪饺竞荡赚。A.whichB.whatC.thatD.if【解析】C 本题考查名词性从句中的主语从句。It为形式主语,真正的主语从句中不缺任何成分,根据句子意思,只需要用that连接。莹谐龌蕲賞组靄绉嚴减。18.[2010·四川卷]Howmuchoneenjoyshimselftravelingdependslargelyon________hegoeswith,whetherhisfriendsorrelatives.麸肃鹏镟轿騍镣缚縟糶。A.whatB.whoC.howD.why【解析】B 考查连词词义辨析。宾语从句中with缺少宾语,whetherhisfriendsorrelatives暗示缺少的是指人的宾语。納畴鳗吶鄖禎銣腻鰲锬。19.—Youknow,I"mpoorinChinese;youarenotgoodatEnglish,and…風撵鲔貓铁频钙蓟纠庙。—That"s________weshouldhelpeachother.A.whenB.whereC.howD.that
【解析】B 考查名词性从句。where引导的从句作表语,where意为“……的地方”。20.Thefreeticketswillgoto________comesfirsttotheconcert.灭嗳骇諗鋅猎輛觏馊藹。A.whoeverB.whomeverC.whicheverD.nomatterwho【解析】A 本题考查名词性从句。题干句子空白处用whoever连接宾语从句同时在宾语从句中作主语,指人。句意为:免费票将送给第一个来听音乐会的听众,不管他是谁。注意nomatterwho只能引导状语从句,不能连接名词性从句。铹鸝饷飾镡閌赀诨癱骝。1.(2011·陕西西安分科质检)Afterworkingonthemathsproblemforhours,hefound________hethoughtwasthekeytoit.攙閿频嵘陣澇諗谴隴泸。A.whatB.thatC.whereD.which解析: what引导的名词性从句作found的宾语从句的主语,而且what在宾语从句中作主语。hethought为插入语。趕輾雏纨颗锊讨跃满賺。答案: A2.(2011·济南第二次统考)Thehospitalnearbyhasjustgota,________you’dcallit,er...ascanner.夹覡闾辁駁档驀迁锬減。A.thatB.whichC.whatD.how解析: 考查名词性从句。该句比较口语化。句意是“附近的医院刚搞来一个……你们叫它什么……对,扫描器”。视絀镘鸸鲚鐘脑钧欖粝。答案: C3.(2011·潍坊质量监测)Sometimesadvertisementsmake possibleforcompaniestosellthecustomers________moneycannotbuy.偽澀锟攢鴛擋緬铹鈞錠。A./;thatB.it;whatC.that;whichD.it;whose
解析: 句意为:有时广告让公司把用钱买不到的东西卖给顾客变得可能。it是形式宾语,真正的宾语是不定式短语。what引导的是宾语从句,并在宾语从句中作宾语。緦徑铫膾龋轿级镗挢廟。答案: B4.(2011·四川绵阳模拟)Mostof________wecallgeniuses(天才)aresuccessfulonlybecausetheyhavemadeextraordinaryefforts.騅憑钶銘侥张礫阵轸蔼。A.whomB.whoC.whichD.what解析: 分析句子成分可知of后的宾语从句中,动词call后面缺少英语补足语,故用what引导。答案: D5.(2011·宁夏银川调研)Sheisverydeartous.Wehavebeenpreparedtodo________ittakestosaveherlife.疠骐錾农剎貯狱颢幗騮。A.whicheverB.howeverC.whateverD.whoever解析: 句意为:她对我们弥足珍贵。我们已经准备好尽一切努力挽救她的生命。这里的whatever既作take的宾语,也引导do后的宾语从句。镞锊过润启婭澗骆讕瀘。答案: C6.(2010·西城5月)—Whyareyoustaringatme?—Youlookstupid!Thewayyouwearis________annoysmemost.榿贰轲誊壟该槛鲻垲赛。A.whichB.whereC.howD.what解析: 考查名词性从句的引导词。所选关系代词引导一个表语从句,并在从句中作主语,所以要用what。答案: D7.(2011·湖北武汉联考)Facedwithtroubleordifficulty,apersontakes________helpthatisavailable.邁茑赚陉宾呗擷鹪讼凑。A.whateverB.wheneverC.whereverD.however解析: 句意为:面对困难或挫折,一个人会接受任何可能得到的帮助。whatever在此修饰help,意为“无论什么”,而其他三个选项,不作形容词,不能修饰名词,故排除。嵝硖贪塒廩袞悯倉華糲。
答案: A8.(2011·浙江温州联考)Thefacthasworriedmanyscientists________theearthisbecomingwarmerandwarmertheseyears.该栎谖碼戆沖巋鳧薩锭。A.whatB.whichC.thatD.though解析: 句意为:近年地球越来越暖的事实让许多科学家担心。从句“theearthisbecomingwarmerandwarmertheseyears”不缺少成分,因此选C项。that引导的从句作fact的同位语。劇妆诨貰攖苹埘呂仑庙。答案: C9.(2011·日照市调研考试)—Doyouknowher?—No.HernameringsabellbutIcan’tremember________Ireaditbefore.臠龍讹驄桠业變墊罗蘄。A.whereB.whatC.thatD.if解析: 考查名词性从句。答语语意是:我不认识她。她的名字好像很熟,但我想不起来在哪儿见到过了。A、B、C三个选项中只有where可在宾语从句中作地点状语,if不符合语意。鰻順褛悦漚縫冁屜鸭骞。答案: A10.(2011·南通一模)________therearelivingcreaturesintheouterspaceasthoseonEarthhasn’tbeenproveduntilnow.穑釓虚绺滟鳗絲懷紓泺。A.HowB.WhenC.WhereD.Whether解析: 本题考查名词性从句。句意为:外太空是否存在像地球上一样的生物还不能确定。whether引导主语从句。隶誆荧鉴獫纲鴣攣駘賽。答案: D11.(2011·南通二模)—Heiseagertotrysomethinghehasnevertriedbefore.浹繢腻叢着駕骠構砀湊。—Oh,Isee.That’s________he’sdifferentfromothers.鈀燭罚櫝箋礱颼畢韫粝。A.whenB.whereC.howD.what解析: 考查名词性从句。所填词引导的从句作表语,在从句中作地点状语,用where,选B。
答案: B12.(2010·贵阳部分学校联考)Thepaintingissovaluablethatitisdifficulttocalculate________itspricewouldbe.惬執缉蘿绅颀阳灣熗鍵。A.thatB.whichC.whatD./解析: 考查名词性从句。这里用what引导宾语从句,并在从句中作表语。这画太名贵了,很难估量其价格。答案: C13.(2010·济南统考)Themediatodaycandrawpublicattentionto________helpisactuallyneeded.贞廈给鏌綞牵鎮獵鎦龐。A.thatB.whichC.whereD.whose解析: 本题考查宾语从句的引导词,结合题干,where引导宾语从句并且在宾语从句中作地点状语。答案: C14.(2010·海淀一模)SorryI’msolate,butyoucannotimagine________greattroubleItooktofindyourhouse.嚌鲭级厨胀鑲铟礦毁蕲。A.whatB.howC.whichD.why解析: 考查宾语从句。takegreattroubletodosomething表示“不辞辛劳地做某事”。在此,what引导的宾语从句同时是一个感叹句,what修饰名词trouble。而how在感叹句中修饰形容词、副词或动词。薊镔竖牍熒浹醬籬铃騫。答案: A15.(2010·成都第一次诊断)ProfessorBackmantookupscientificresearchfordecades,andthisis________hedevotedallhislifeto.齡践砚语蜗铸转絹攤濼。A.whichB.whatC.whereD.how解析: 考查名词性从句。what引导表语从句且在从句中作介词to的宾语,表示“什么”。答案: B