高中名词性从句专题精ppt课件

.,LOGO,Hisjobisimportant.主语WhathedoesisimportantThisishisjob.表语ThisiswhathedoeseverydayIdontlikehisjob.宾语IdontlikewhathedoeseverydayIdontknowabouttheman,Mr.White.同位语Idontknowaboutthefactthatheisateacher.,名词性从句的作用相当于名词，因此主语从句、表语从句、宾语从句和同位语从句分别作主句的主语、表语、宾语和同位语。,.,LOGO,Thefactisthatwehavelostthegame.表语从句Iwanttoknowwhathehastoldyou.宾语从句Thenewsthatwewonthegameisexciting.同位语从句Whowillwinthematchisstillunknown.主语从句,.,LOGO,引导名词性从句的关联词:,.,LOGO,SubjectClauses主语从句:,1.Thathewillsucceediscertain.2.Whetherhewillgothereisnotknown.3.Whathesaidisnottrue.4.Wherehehidthemoneyistobefoundout.5.Whoevercomesiswelcome.,.,LOGO,1)主语从句一律用陈述句语序,即主语在前,谓语在后.例:Whenwillhecomeisnotknown.错Whenhewillcomeisnotknown.对2)连接词that在从句中无实际意义,但不能省略.例:Hewillnotcometothemeetingthiseveningistrue.错Thathewillnotcometothemeetingthiseveningistrue.对,注意点,.,LOGO,3)whoever,whatever,whichever等词可以引导主语从句,但nomatterwho,nomatterwhat等不能.(whoever=thepersonwho)Whoeverbreakstheschoolrulesmustbepunished.【Whoeverbreakstheschoolsrules】,hemustbepunished.【Nomatterwhobreakstheschoolrules】,hemustbepunished.让步状语从句1._wassaidheremustbekeptsecret.2._weneedismoretime.3._hastakenawaymybagisunknown.,Whatever,What,Who,.,LOGO,4)it作形式主语(主从)：,it作形式主语,1.他犯了那样一个错误真是遗憾。_isapity.2.他来不来不重要。_doesntmatter.,Thathemadesuchamistake,Whetherhewillcomeornot,Itisapitythathemadesuchamistake.,Itdoesntmatterwhetherhewillcomeornot.,.,LOGO,1.【12全国】Itisbynomeansclear_thepresidentcandotoendthestrike.A.howB.whichC.thatD.what2.【12山东】Itdoesntmatter_youpaybycashorcreditcardinthisstore.A.howB.whetherC.whatD.why3.【11北京卷】_BarbaraJonesofferstoherfansishonestyandhappiness.A.WhichB.WhatC.ThatD.Whom,挑战高考,.,LOGO,ObjectClause宾语从句:,1.Iwondered_youweresoangry.2.Italldependson_theywillsupportus.3.Icantimagine_madehimactlikethat.4.Imdelighted_Ihavepassedtheexam.5.Ifinditnecessary_weshoulddothehomework.,why,whether,what,that,that,.,LOGO,注意点:,1)宾语从句一律用陈述句的语序.2)that在宾语从句中的省略与保留1.有it做形式宾语时，that不省略.例:Wemustmakeitclearthatwemeanwhatwesay.2.宾语从句中有两个或以上that时,第一个that可省略.例:Hetoldme(that)hewouldcomeandthathewouldcomeontime.,.,注意4：that/what的辨用,1._hewantsisabook.2._hewantstogothereisobvious.3.Weshouldpayattentionto_theteacherissaying.4.Hetoldus_hefeltill.5.Theresultis_wewonthegame.6.Thisis_wewanttoknow.7.Ihavenoidea_hedidthatafternoon.8.Thefact_sheworkshardiswellknowntousall.,What,That,what,what,what,that,that,that,Rules,1.that在名词性从句中不充当任何成分，只起连接作用2.what起连接作用,在名词性从句中做从句的主、宾、表。,.,注意5：whether与if的辨用,1._itistrueremainsaproblem.2.Itremainsaproblem_itistrue.3.Heasked_Marywouldattendtheceremony.4.Itdependson_wehavegotenoughmoney.5.Thequestionis_youshouldacceptit.6.Thequestion_hellattendthemeetingisimportant.7.Ididntknow_tolaughortocry.8.Idontknow_itisrightornot.,Rules,1.在前置主语从句、表、同从句和跟在介词后面的宾语从句中，表“是否”，只能用whether；2.在whetherornot和whethertodo中whether不能换成if,Whether,whether/if,whether/if,whether,whether,whether,whether,whether,.,LOGO,6）it作形式宾语,1)make/find/feel/consider/think/like/hate/dependon/appreciate+it+adj/n+todo或that从句Ithinkitimpossibletowalkthroughthedoor.2)it指代后面从句所叙述的内容,常用like/dislike/love/hate/appreciate/make+it+if或when从句Ihateitwhenpeoplelaughatthedisabled,.,LOGO,挑战高考,1)【12福建】Wepromise_attendsthepartyachancetohaveaphototakenwiththemovie-star.A.whoB.whomC.whoeverD.whomever2)【12四川】Scientistsstudy_humanbrainsworktomakecomputers.A.whenB.howC.thatD.whether3).【12陕西】Asmanyfivecoursesareprovided,andyouarefreetochoose_suitsyoubest.AwhateverB.whicheverC.wheneverD.wherever,.,LOGO,PredicativeClause表语从句:,Thequestioniswhetherwecanrelyonhim.Mysuggestionisthatwe(should)buyabigcomputer.Helookedasifhewasgoingtocry.,.,LOGO,注意点:,1.表语从句是在复合句中作表语的名词性从句,放在系动词之后,一般结构是“主语+系动词+表语从句”。接表语从句的系动词有be,look,remain,seem,prove.2.表语从句一律用陈述句的语序.3.表语从句只能用whether,而不能用if引导.,.,LOGO,4.引导表语从句表原因，应使用Thereasonisthat或This/it/that/isbecause例如:今天早上他迟到的原因是因为路上行人太多.误:Thereasonwhyhewaslatethismorningisbecausethattherewasalotoftrafficontheroad.正:Thereasonwhyhewaslatethismorningisthattherewasalotoftrafficontheroad.或:Hewaslatethismorning.Thatwasbecausetherewasalotoftrafficontheroad.,.,LOGO,挑战高考,1【11山东】Iamafraidhesmoreofatalkerthanadoer,whichis_heneverfinishesanything.A.thatB.whenC.whereD.why2【11陕西】Idliketostartmyownbusinessthats_IddoifIhadthemoneyA.whyB.whenC.whichD.what,.,LOGO,AppositiveClause同位语从句：,1）Thefactthathewaskilledmadeussurprised.2）Ihavenoideawhenhewillbeback.3）Weheardthenewsthatourteamhadwon.4）Canyoufindtheanswertothequestionwhatwaswrongwiththecomputer?5）Hemadeasuggestionthatwe(should)readsomeoriginalEnglishliteratureworks.,.,LOGO,1.同位语从句的引导词:that,whether,how,when,where,why等。同位语从句的先行词多为：idea,fact,news,belief,thought,doubt,suggestion;proof,message,order,conclusion,desire,theory,truth,word等.2.同位语从句和定语从句的区别:1)如果that作成分,则是定语从句；如果that不作任何成分,则是同位语从句.2)连词that在同位语从句中不可省略,而在定语从句中当它充当宾语时可以省略。3)同位语从句是对前面名词的内容的具体说明，而定语从句是对前面名词进行修饰，解释为“.的”,.,LOGO,判断：定语从句,同位语从句,1.ThefactthatGreatBritainismadeupof4partsisstillunknowntomanypeople.同位语从句2.Thenewsthatisspreadingaroundtheairportiscoming.定语从句3.Thesuggestionthatstudentsshouldlearnsomethingpracticalisworthconsidering.同位语从句4.Weexpressedthehopethattheyhadexpressed.定语从句5.WeexpressedthehopethattheywouldcometoChinaagain.同位语从句,.,LOGO,同位语从句的简易判断方法：我们可以在名词和从句之间加be,使之构成一个新句子，如果合乎逻辑，句子通顺，则是同位语从句，定语从句是不能用系表结构把先行词与从句连接起来的。eg:3.Thesuggestionthatstudentsshouldlearnsomethingpracticalisworthconsidering.Thesuggestionisthatstudentsshouldlearnsomethingpractical.,.,1.【12重庆】Evidencehasbeenfoundthroughyearsofstudy_childrensearlysleepingproblemlikelytocontinuewhentheygrowup.A.whyB.howC.whetherD.that2.【12浙江】Imadeapromisetomyself_thisyear,myfirstyearinhighschool,wouldbedifferent.A.whetherB.whatC.thatD.how3.【10天津】Asanewgraduate,hedoesntknow_ittakestost