Welcome名词性从句(一)NounclausesTaskI.什么叫“名词性从句”?•名词性从句在功能上相当于名词主语{Hisjobisimportant.Whathedoesisimportant.表语Thisishisjob.Thisiswhathedoeseveryday.{宾语{Idon’tlikehisjob.Idon’tlikewhathedoeseveryday.同位语{Idon’tknowabouttheman,Mr.White.Idon’tknowaboutthefactthatheisateacher.名词性从句的定义在复合句中起名词作用的从句叫名词性从句(NounClauses)。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此根据它在句中不同的语法功能,名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。Practicetime:指出下列各名词性从句的种类1.Atlunchtime,theradioweathermanreportedthatthemistwouldbecomeathickfogintheafternoon.2.Shewonderedifthebuseswouldstillberunning.3.Thetruthisthatthefogistoothickforthebustorunthatfar.4.Shesensedthatshewasbeingwatchedbyatallmaninadarkcoat.5.Whenwewillstartisnotclear.6.Ihadnoideathatyouwereherfriend.ObjectclauseObjectclausePredicativeclauseObjectclauseSubjectclauseAppositionclauseTaskII.引导词的由来•句型转换•1.Theyaregooddoctors.Hetoldus.→•2.Hehadn’tsaidanythingatthemeeting.Thefactsurprisedus.→Hetoldusthattheyweregooddoctors.Thefactthathehadn’tsaidanythingatthemeetingsurprisedus.总结:当从句原来是陈述句时,变成名词性从句用that引导。3.Doesyoursistergetupearly?Doyouknow?→4.Doanimalshavethesamesensesashumans?Ioftenwonder.→Doyouknowif/whetheryoursistergetsupearly?Ioftenwonderif/whetheranimalshavethesamesensesashumans.总结:当从句原来是一般疑问句时,变成名词性从句用if或whether引导。5.Whendidhebuythisnewbike?Couldyoutellme?→6.Myquestionisthis:wherewillthelecturebegiven?→Couldyoutellmewhenheboughtthisnewbike?Myquestioniswherethelecturewillbegiven.总结:当从句原来是特殊疑问句时,变成名词性从句还用原来的特殊疑问词来引导。TaskIII.名词性从句的语序、时态及单复数概念•1.ThatIcanpaybackthehelppeoplegivememakesmehappy.•2.Itwasgoodnewsthateverybodygotbacksafely.•3.Shesensedthatshewasbeingwatched.•4.Thetruthisthatthefogistoothickforthebustorunthatfar.•5.Whetherhewillcomeornotisunimportanttome.总结:名词性从句必须用陈述句语序。宾语从句的时态必须与主句保持一致。另外,一般情况下,名词性从句均看作单数概念。1.Whatweneedismoretime.2.WhatweneedaremoreEnglishdictionaries.Practicetime.单句改错1.Thattheearthturnsaroundthesunareknowntoall.2.Whenthemeetingwillbeheldhaven’tbeenknownyet.3.Ididn’tknowthatyouwillcome.4.Hesaidthatheiswritingastory.5.Couldyoutellmewhenwillhearrive?6.YoucanbegintoseewhydoesEnglishhavesuchstrangerules.___is______hasn’t____would___was______hewill___________________EnglishhasTaskIV.名词性从句与it•★★当主语从句放在句首使句子显得笨重时,一般把它移到句子后面,前面用引导词it作形式主语。What引导的主语从句例外。•It’sapitythatyoumissedthefilm.•Itmakesnodifferencewhetherhewillattendthemeetingornot.•ItissaidthatthenovelhasbeentranslatedintoEnglish.注意如果句子是疑问形式,就只能用带it的结构了!•★★动词think,make,feel,consider等后常用it作形式宾语来代替that引导的定语从句。•Weallthoughtitgoodnewsthatthefoghadfinallygone.•Theconductorhasmadeitclearthatnobuseswillberunning.•Iconsideritnecessarythatweshouldaskhimforadvice.巧记•It作形式代词真能干,可把不定式、动名词或从句来代办,而让它们后面站!Practicetime:用形式代词it转换下列名词性从句•1.Whobroketheglassyesterdayisnotclear.•2.Whyhedidtheworkiseasytounderstand.•3.Thatherhairwasturninggreyworriedherabit.•4.Hehadwonthefirstprize.Wethoughtitwasgoodnews.TaskV.whether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ifPracticetimeif/whether1.Iaskedher__________shehadabike.2.______wewillholdapartyintheopenairtomorrowdependsontheweather.3.We’reworriedabout________heissafe.4.Idon’tknow___________heiswellornot.5.Idon’tknow________ornotheiswell.6.Thequestionis_________heshoulddoit.7.Thedoctorcanhardlyanswerthequestion______theoldmanwillrecoversoon.8.Idon’tknow_______togo.9.______youarenotfreetomorrow,I’llgowithoutyou.if/whetherWhetherwhetherwhether/ifwhetherwhetherwhetherwhetherIfTaskVI.that不可省略的几种情况1.主语从句、同位语从句中的that不能省略•ThattheyaregoodatEnglishisknowntousall.•SheexpressedthehopethattheywouldcometoChinaoneday.•2.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.•IthinkitnecessarythatyoushouldreadEnglishaloud.Practicetime:判断下列各句中的that是否可以省略•1.Thatshewaschosenmadeusveryhappy.•2.Shetoldmethatshewouldacceptmyinvitation.•3.ShesaidthatshewouldgothereonFridayandthatshewouldreturnthenextWednesday.•4.Wethinkitimportantthatyoushoulddoitatonce.•5.Ididn’ttellhimanythingexceptthatIwasn’tbeabletofindmywayback.TaskVII.表语从句中的that,because和why•Thereasonwhyshewaslatewas______hedidn’tcatchthebus.•Shewaslate.That’s______shedidn’tcatchthebus.•Shedidn’tcatchthebus.That’s______shewaslate.thatbecausewhyTaskVIII.同位语从句PK定语从句•1.Weheardthenewsthatourteamhadwonthegame.•2.Thenewsthatyoutoldusyesterdaywasreallydisappointing.技巧试加法/成分法1.Thenewswasthatourteamhadwonthegame.2.Thenewswasthatyoutoldus.Practice:判断下列各句是同位语从句还是定语从句•1.TheyexpressedthehopethattheywouldcometovisitChinaagain.•2.ThehopethatsheexpressedisthattheywouldcometovisitChinaagain.•3.Thefactthatsheworkshardiswellknown•tousall.•4.Ican'tstandtheterriblenoisethatsheiscryingloudly.同位语从句定语从句同位语从句同位语从句综合测试•1.Thequestionis____thefilmisworthseeing.•A.ifB.whatC.whetherD.how•2.Newscame______thestudentswouldputofftheoutinguntilnextweek,whentheywouldn’tbebusy.•A.thatB.whenC.whichD.whetherCA•3.—What’sthematterwithyou?•—Youhavenoidea______.•A.howIwasworriedB.howworriedwasI•