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名词性从句专题㈠.如何判断4个名词性从句？Whatyousaidsoundsreasonable.Whenshewillbebackisstillaquestion.Itwasapitythathedidn’tpasstheexam.①.主语从句总结：迅速找出主句的谓语;为避免句子头重脚轻,常用it充当形式主语,而把主语从句后置。②.宾语从句Idon’tknowwhodidallthecleaning.Thepricedependsonhowmanyyouwillbuy.Iknownothingaboutwhetherhehasarrivedsafe.IamafraidthatIhavemadeamistake.Hemadeitclearthathewouldresignsoon.总结:常作动词/动词短语/介词/be+形容词的宾语;为避免句子头重脚轻,常用it充当形式宾语,而把宾语从句后置。③.表语从句Thisiswhereourproblemlies.Itseemedthatthenightwouldneverend.Itlooksasifitisgoingtorain.总结：放在系动词后的从句为表语从句。常见的系动词有:be,become,get,grow,turn,go,look,feel,smell,taste,sound,remain,stay,seem,appear,prove等④.同位语从句Thenewsthatwewonthegameisexciting.Ihavenoideawhenhewillcomebackhome.总结：同位语从句常置于一个名词后面，解释说明该名词的具体内容。常见名词有:idea,fact,news,hope,opinion,proposal,chance,promise,plan,suggestion,doubt,message,thought,belief,information,truth,possibility,word(消息)等。㈡.如何选择引导词？what_____makesthisshopdifferentisthatitoffersmorepersonalservices._____Ireallywantistohaveagoodrest.WhatWhatHeisnot______heusedtobe.whatHeis______isknownas“theFatherofHybridRice.”whatIdon’tknow____sideeffectthemedicinewillbringabout.what①.what在名从中充当主语,宾语,表语,定语,常指物。②.what在名从中也可以指人。③.what充当定语时,意为“什么的”。④.what引导名从，一般可以转换成一个定语从句。Whatevershedidiswrong.Youcantalkaboutwhatevertopicyoulike.whatever①.whatever为what的强调形式,语气更加强烈。②.whatever充当定语时,意为“无论什么的”。③.whatever引导名从,一般也可以转换成一个定语从句。____hesucceededinthecompetitionmadeushappy.Itiscertain____hewillcome.Weallthinkitwrong____hetoldalie.Thefactis____hetoldalietome.Thethought____wemightsucceedexcitedus.Thatthatthatthat①.that在名从中无任何意义,也不充当成分,只起连接作用。②.that引导名从表示一种肯定的意义,不存在疑问。thatthat其余引导词?①.不要去考虑到底缺什么成分。②.只要根据语境去考虑该句子要表达什么意思即可,然后补充相应引导词,使句子要表达的意思完整。Thereisnodoubt_____hewillcome.Thereisdoubt_______hewillcome.thatwhether练习语境1._____Iacceptthegiftorrefuseitisnoneofyourbusiness.2.Goandgetyourcoat.It's____youleftit.3.---Doyouremember_____hecame?---Yes,Ido.Hecamebycar.4.Shelooked_____sheweretenyearsyounger.5.Thequestionheaskedwas_____theelectricalequipmentshouldbestored.6.Pleasetellme_____youwantyourcoffee,blackorwhite?7.Mariahastobaby-sit.That’s_____shecan’tcomeoutwithus.8.Thelasttimewehadgreatfunwas_____wewerevisitingtheWaterPark.Whetherwherewherehowasifhowwhywhen考点①：________brokethewindowisnotaseriousthing.________breaksthelawshouldbepunished.Idon’tknow_____willbeourEnglishteachernextterm.Thequestionis______wewillsendthere.Iwillgivethisdictionaryto______wantstohaveit.Wegaveagiftto______weinvited.Idon’tknow______bookitis.WhoWhoeverwho,whom+名词性从句是指一整件事。whoever,whomever+名词性从句是指人,相当于anyonewho…,意为“任何…的人”。名词性从句缺定语,指人,一般用whose充当,意为”谁的”。whowhomwhoeverwhomeverwhose㈢.名词性从句其他注意事项考点②：Eat_____cakeyoulikeandleavetheothersforwhoevercomesinlate.Youcanchoose______youwantfromthesebooks.Nobody’shere.Youcantake______seatyouwant.whicheverwhicheverwhicheverwhichever与whatever的区别whichever意为“无论哪个;无论哪些”,一般给出的语境是有一定范围的;whatever意为“无论什么”。IwoulddowhateverIcantosavetheseflowers.考点③：Hehadacaraccident.That’s_____hewaslate.Hewaslate.That’s_____hehadacaraccident.Thereason_____hewaslateis_____hehadacaraccidentwhybecausewhythatwhy引导的表语从句表示结果。because引导的表语从句表示原因。固定结构：thereasonwhy…isthat…(正确)…的原因是…thereasonwhy…isbecause…(错误)Whethertheywillcomeisunknown．Itisunknownwhether/ifthey‘llcome.Iaskedtheteacherwhether/ifitwastrue．Italldependsonwhetherthey'llhelpus.ThequestionwaswhetherTomhasgonetoShanghai.Theproblemwhetheritisrightorwronghasnotyetbeendiscussed.考点④：以下情形只能用whether而不能用if:主语从句位于句首时/介词后面的宾语从句/引导表语从句时/引导同位语从句时/固定结构:“whether…or…”,“whether…ornot”。①.疑问词+ever可引导名词性从句,如：Whoeverbreakstherulemustbepunished.Youcanchoosewhateveryoulikeintheshop.②.疑问词+ever还可引导让步状语从句,如：Whoeverbreakstherule,hemustbepunished,Whateveryoudo,youmustdoitwell.③.nomatter+疑问词只能引导让步状语从句,如：Nomatterwhobreakstherule,hemustbepunished.Nomatterwhatyoudo,youmustdoitwell.考点⑤：▲比较：疑问词+ever和nomatter+疑问词的区别。---Ibelieve_____you'vedoneyourbestand_____thingswillhappen.----Thankyou.A.that;/B./;/C.what;thatD./;thatD考点⑥：双重宾语从句,第二个that不能省略;主语从句、表语从句、同位语从句中that不能省略。考点⑦：Noonecanbesure______inamillionyears.A.whatmanwilllooklikeB.whatwillmanlooklikeC.manwilllooklikewhatD.whatlookwillmanlikeA名词性从句的语序为:陈述句语序---Doyouseewhythemachinedoesn'twork?---Sorry,let'sasktheengineer____.A.whatisthematterB.whatthematterisC.howisthematterD.howthematterisA非限制性定语从句与主语从句的区别Compare_____isknowntousall,TaiwanisapartofChina._____isknowntousallthatTaiwanisapartofChina._____isknowntousallisthatTaiwanisapartofChina.AsItWhat考点⑧：定语从句与同位语从句的区别（1）Thenewsthathetoldmeistrue．（2）ThenewsthathewillcomebackfromtheU.S．istrue．定语从句同位语从句考点⑨：Thenewsthatourvolleyballteamwonthematchmadeusexcited.Theproblemthatheaskedmetosolveishardtosolve.1.虚拟语气在主语从句中的运用①.Itissuggested/advised/proposed/recommended/ordered/desired/requested…that+(should)+V原形②.Itisnecessary/essential/important/natural/desirable/advisable/strange/surprising…that+(should)+V原形③.Itisapity/ashame/nowonder…that+(should)+V原形Itisdesiredthatsheshouldfinishherhomeworkthisafternoon.Itisnecessarythatweshouldcleantheroomeveryday.Itwasapitythatyoushouldbesocareless.考点⑩：2.虚拟语气在宾语从句中的运用在以下动词后接的宾语从句中,谓语动词用（should）+V原。记住以下口诀：