名词性从句一、相关概念二、种类三、常见引导词四、常考考点1.that\what\which2.it形式主语、宾语的用法3.语序问题4.同位语从句和定从的区别5.what\whatever…6.if\whether7.虚拟语气问题五、练习一.相关概念1.名词:表示人或事物的名称的词2.名词的句法作用:名词在句中主要作主语,宾语,表语和同位语。另外还可以作定语,状语。3.名词性从句:在英语的句子结构中,本来该由名词充当的主语、宾语、表语和同位语,由一个句子来充当,这个句子就叫:名词性从句。主语从句subjectclause宾语从句objectclause表语从句predictive同位语从句appositive二、名词性从句的种类1.Whenwewillstartisnotclear.2.MrsBlackwon’tbelievethathersonhasbecomeathief.3.Myideaisthatweshoulddoitrightnow.4.Ihadnoideathatyouwereherfriend.主语从句宾语从句表语从句同位语从句(动词、介词、形容词之后的宾从)三、常见引导词:1)从属连词that2)从属连词if,whether(是否)3)连接代词who,whom,what,which,whoever,whatever,whichever等4)连接副词where,when,how,why等1.ThatMsLiHaixiaisabluestockingisknowntousall.2.Shedoesn’tknowwhethershecanfinishtheworkontime.3.Theproblemiswhowillstay.4.Hecan’tanswerthequestionhowhegotthemoney.常见引导词的作用本身无意义,仅起引导作用。(引导宾语从句时可省,但是如果是并列的多个宾语从句,只能省第一个.引导其它名词性从句时不可省)有意义,作成分有意义,在句中作状语1)从属连词that2)从属连词if,whether(是否)3)连接代词who,whom,what,which,whoever,whatever,whichever等4)连接副词where,when,how,why等有意义,不作成分名词性从句引导词的选择原则1.看引导词的含义2.看引导词在从句中作什么成分1.____hesaidhasnothingtodowithyou.2._________we’llstartwillbetoldsoon.3.________hedidsuchathingsatisfiedme.4________wecanprotectculturalrelicsneedstobediscussed.whatwhenThatHowWhatwecan’tgetseemsbetterthanwhatwehave.That(anewteacherwillcometoourschool)istrue.that只起连接作用,无意义,在从句中不充当任何成分what既有连接作用,又要在从句中作成分(主语,宾语,表语)(…的东西;物;话;时间;地点;人物;数目等不同概念)1)that与what的区别考点1连接词的选择1._________hesaiditmadeusangry.2.________hesaidatthemeetingmadeusangry.3.Amoderncityhasbeensetupin______wasawastelandtenyearsago.A.whatB.whichC.thatD.whereThatWhat1.Afterfivehours’drive,theyreachedwastheplacethey’dbeendreamingof.2.Theotherday,mybrotherdrovehiscardownthestreetatwasadangerousspeed.3.Thewayhediditwasdifferentfromwewereusedto.4.___________theearthisroundisknowntousall.5.Fathermadeapromise______ifIpassedtheexaminationhewouldbuymeacomputer.whatwhatwhatThatthat2)what(什么,哪一个)/which(表选择,哪一个)的区别1.---Doyouknow________colorMr.Blacklikes?---Hemaylikeyelloworblack.I’mnotsureof_________.2.Ireadaboutitinsomebookorother,doesitmatter_______itwas?whatwhichwhich3)what和whateverwho和whoever的区别)1._________wassaidheremustbekeptsecret.2._______weneedismoretime.3._______madethelongdistancecalltohimisnotimportant.4._________breaksthelawwillbepunished.WhateverWhatWhoWhoever1.____hashelpedtosavethedrowninggirlisworthpraising.AWhoBTheoneCAnyoneDWhoever高考题选萃☆2.Itisgenerallyconsideredunwisetogiveachild____heorshewants.A.whatB.whateverC.whicheverD.whenever☆4wh-ever和nomatterwh-的区别wh-ever既可引导名词性从句又可引导让步状语从句nomatterwh-只引导让步状从句Thepooryoungmanisreadytoaccept__helphecanget.(05)A.whicheverB.howeverC.whateverD.nomatterwhatC●.wereplayinghadbeentravels考点2时态问题主句从句一般现在时一般过去时各种时态过去时的某种形式如果从句表达的是客观真理或客观存在则不受此影响。1Tomsaysthatthey_________(play)basketballatsixo’clockyesterdayevening.2Hesaidthatthey_________membersofthePartysince1948.(be)3Theteachertoldhisclassthatlight_____fasterthansound.(travel)考点3语序问题疑问词引导的名词性从句要求使用陈述句语序,不能用一般疑问句语序。他是怎么成功的仍然是个谜。Howwashesuccessfulisstillapuzzle.()Howhewassuccessfulisstillapuzzle.()你能告诉我他住在什么地方吗?Couldyoutellmewherehelives?()Couldyoutellmewheredoeshelive?()FTTF疑问词+doyouthink\suggest\believesuppose…+陈述语序WhattimedoyouthinkwillDavidcomehere?()F考点4主谓一致问题单个的主语从句作主语时,谓语动词用单数形式。如果是两个或两个以上的主语从句作主语,谓语动词则用复数形Whenthepersonwasmurderedandwhyhewasmurderedstillunknown.Whereandwhenhewasbornnotbeenfound.Whatmymotherbroughtmeisn’tapplesbutencouragement.arehas@it作形式主语考点5it作形式主语,形式宾语的用法1.Itiswellknown/reported/thought/saidthat…2.Itisclear/necessary/certain/truethat…3.Itisapity/ashame/anhonorthat…4.Itdoesn’tmatterwhether…5.Itseemsthat…6.Ithappensthat…1.Itnowappears______theyareinneedofhelp.A.thatB.whichC.whatD.how2.Itisgoodnews______theywillarriveinafewdays.A.whichB.whatC.thatD.how3.It______Joedrivesbadly.A.thoughtthatB.thinksthatC.isthoughtthatD.isthoughtthat4.It______hewaslateforclass.A.ishappeningthatB.ishappenedthatC.happenedthatD.ishappenthat(2)a…like/dislike/love/hateitwhen…b…appreciateitif…it指代后面从句所叙述的内容b.it作形式宾语(1)make/find/feel/consider/thinkit+adj/n+that…/todo…/doing…it指代后的that从句,todo,doingIhateitwhenpeoplelaughatthedisabled.(3)…dependonitthat…1.Ilike___intheautumnwhentheweatherisclearandbright.A.thisB.thatC.itD.one2.Youmaydependon____thatyouparentswillhelpyouwheneveryouneedit.A.themB.yourselfC.itD.me同位语从句一般跟在名词fact,news,promise,truth,belief,thought,idea,answer,information,knowledge,doubt,hope,law,opinion,plan,suggestion后面。同位语从句用以说明或解释前面的名词的内容同位先行词在从句中不作成分定语从句对先行词起修饰限制作用先行词在从句中不作成分考点6同位语从句和定语从句的区别Thenewsthatshepassedtheexamexcitedherparents.Thenewsthatweknowfromherexcitedallofus.解释说明;that在从句中不充当成分但是不能省。修饰限定;that在从句中作成分、作宾语时可以省。同位语从句定语从句考点8.用if或whether填空1.Idon’tknow_________I’llbefreetomorrow.2.Thequestionis______thisbookisworthwriting.whether/ifwhether4.Itdependson______wewillhaveenoughmoney.5.______theycandoitmatterslittletous.不用于:主从、表从、同位、让步从不定式前,介词后ornot的结构中whetherWhether1._____we’llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where1.在order,suggest(建议),demand,request,advise,insist(坚持应该)等所接的宾语从句中用should型虚拟语气。should常省略。2.在order,suggestion等名词后同位语