高三英语一轮复习 【核心考点知识精讲】 名词性从句课件

名词性从句2023届一轮复习定语从句状语从句主语从句宾语从句表语从句同位语从句基础巩固什么叫名词什么叫名词性从句名词功能Iknowthetruth.Iknowthatheiswritinghiscompositioninhisroom.表示人或事物的名称的词叫名词。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。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。名词性从句的分类主语从句在句中做------宾语从句在句中做------表语从句在句中做------同位语从句在句中-----主语宾语表语同位语1.Thathewillcomeiscertain.2.Iknowthathewillcome.3.ThetruthisthatIhavebeenthere.

4.Thefactthatshewaslatesurprisedus.主语从句宾语从句表语从句同位语从句名词性从句的分类小试牛刀1.Idon'tknowifIcandoit.2.Whatheisdoingseemsverydifficult.3.Theimportantthingishowwecanimproveourstudies.4.Mr.Lialwaysthinksofhowhecandomoreforthepeople.5.That'swhatyouaregoingtodofirst.6.Iwassurprisedatwhathesaid.主语从句宾语从句表语从句表语从句宾语从句宾语从句均为陈述语序123that（无含义，不作成分）whether/if（“是否”，不作成份）连接词（有含义，充当成分）名词性从句引导词if只引导宾语从句和后置的主语从句连接代词（主宾表定）连接副词（状语）that除引导宾从可以省略，其余均不可省略连接代词&连接副词连接副词（7个）：when、why、where、how、whenever、wherever、however连接词连接代词（9个）：who、whom、what、which、whose、whoever、whomever、whatever、whichever名词性从句引导词1．

breaksschoolruleswillbepunished.2．Afterfivemonths’hardwork,theygot________theyhaddreamedof.3．Fathermadeapromise________ifIpassedtheexamhewouldbuymeabike.4．Itwastrue________whatshediddelightedeveryoneofus.Whoeverwhatthatthat小试牛刀名词性从句引导词5．Itdoesn’tmatter________youpaybycashorcreditcardinthisstore.6．________youcansucceedintheendwillmainlydependon________youdoand________youdoit.7．________and________theweddingceremonywillbeheldhasn’tbeendecidedyet.whetherWhetherwhathowWhen小试牛刀where知识探究引导词位置主谓一致主语从句011．Thathehasn’tbeendoinghisbestrecentlyisobvioustousall.2．Whetherhewillcomehereisnoteasytosay.3._____________ismorepractice.（我们所需要的）4.___________________________isunderdiscussion.(会议将什么时候开始)WhatweneedWhenwewillbeginthemeeting主语从句（引导词）主语在句首，主语从句一般在句首HowEgyptiansmovedhugestonesandbuiltthepyramidsremainsasecret.主语从句（位置）后置ItremainsasecrethowEgyptiansmovedhugestonesandbuiltthepyramids.固定句型主语从句（位置）1.________isprobablethathetoldhereverything.2.Itisuncertain_______sideeffectthemedicinewillbringabout,althoughabouttwothousandpatientshavetakenit.3.Itisnosurprise______ourteamhaswonthegame.Thereisnowonderthatourteamhaswonthegame.4.Itis_____(decide)thatthemeetinghasbeenputofftillnextMonday.ItwhatthatdecidedIt+be+adj.+从句（necessary,likely,clear,important,right,certain....)3.It+be+过去分词+从句（said,believed,reported,thought,known,expected,decided,announced....)It2.It+be+n./np+从句（ashame,apity,nowonder,good

news,no

surprise....)主语从句（位置）Itdoesn'tmatter_______youpaybycashorcreditcardinthisstore.Itneveroccurredtome________shecouldcompletethetaskinsuchashorttime.________appears_____thereportmustbetrue.A.That;itB.It,that;C.It;itD.That;thatwhetherthat4.It+特殊动词/动词短语（不及物动词）+从句（seem,appear,happen,matter,turnout,occur...)B主语从句（主谓一致）Thathewonthecompetition________(spread)allovertheschool.Whathesaid______false.WhatIwanttoknow_____thetruth.Whatheneeds_____friends.spreadsisisare名词性从句作主语时，谓语动词常用单数。但what引导主语从句时，若表语为单数名词或不可数名词，则谓语动词用单数；若表语为可数名词复数，则谓语动词常用复数。主语从句（主谓一致）Wherethemanwillbeandwhatachievementthemanwillgain

(be)unsure.Whenandwheretheweddingceremonywillbeheld

（have）notbeendecidedyet.arehas名词性从句作主语时，谓语动词常用单数。但要特别注意“and”这个并列连词，如果连接两个并列的主语从句，谓语动词用复数，如果连接的是同一件事的不同方面则用单数。引导词动宾&介宾&真宾时态宾语从句02thatwhether/if02宾语从句（引导词）宾语从句：that的省略Thedoctortoldme(that)Ishouldtakemorewaterandthatthingswouldgetbetterverysoon.注意：一般说来引导宾语从句的that可以省略。如果有多个that引导的宾语从句，第一个that可以省略，其他一般不省略。02宾语从句（引导词）宾语从句：whether&if①宾语从句置于句首。Whethertheywilljoininthepicnic，Idon’tcare.②宾语从句位于介词后。Wearetalkingaboutwhetherwecangetthechance.02宾语从句（引导词）宾语从句：whether&if③与ornot连用时。Hedoesn’tknowwhethertheywillplanttreesonSaturdayornot.④与不定式连用。Idon'tknowwhethertogothere.02宾语从句（引导词）宾语从句：whether&if⑤当使用if容易产生歧义时。Couldyoutellmeifyouknowtheanswer?注意：当宾语从句为否定句时，只能用if。He

askedmeifIhadn’thelphisbrother.02宾语从句（引导词）宾语从句：doubt后的宾从Idoubt_________heistellingthetruth.Weneverdoubt_________theplanwillbecarriedout.Doeshedoubt_________youarefromAustria?I’mdoubtful_________hewillagreetothis.

if/whether

that

that

if/whether

肯定句中用if/whether否定句中用that疑定句中用that02宾语从句（动宾&介宾&真宾）2023/2/7Themanstoodstill,except_____hislipspartedslightly.Sheisnotsatisfiedwith____shehasachieved.3.Maryalwaysthinksof____shecandomorefortheclass.4.Hewrotealetterofthanksto______helpedhim.(任何一个)5.Itdependsonifwehaveenoughtime.

that

whathowwhoever

whetherwehaveenoughtime.宾语从句可以做介词的宾语，但通常不能是that引导的，除“except，besides,but,beyond,in等”注意：介词后面不用if02宾语从句（动宾&介宾&真宾）Weconsiderhersuitableforthejob.Iconsider

.Iconsider宾语宾补

it不能漏从句后移thatweshouldlearnEnglishwellnecessaryit6123Conclusion1:动词find/feel/think/make/consider/believe…+it+adj./n.+宾语从句02宾语从句（动宾&介宾&真宾）1.Iwouldappreciate__verymuchifyouwouldhelpmewithit.A.thisB.thatC.itsD.it2.

Youcandependon__thateverythingwillbereadyintime.A.thisB.thatC.oneD.it√√Conclusion2:某些表示“喜、怒、哀、乐”的动词，如like,enjoy,love,hate,dislike,appreciate等后往往不能直接接宾语从句；必须先由it担任形式宾语,再接宾语从句.Conclusion3:某些含有介词的动词短语如seeto(注意),answerfor,relyon,dependon,insiston,stickto等结构中往往不能直接接宾语从句；必须先由it担任形式宾语,再接从句.02宾语从句（时态）HesaysthatLilyis(willbe/was)adoctor.IwanttotellyouwhatIamdoing(did/shalldo).（1）当主句是现在的某种时态，从句可用所需要的任何时态。Ithoughthewasold.Hesaidthathehadfinishedreadingthebook.Iwasn’tsureifitwouldrain.Theteachertoldusthemoontravelsroundtheearth.（2）当主句的谓语动词是过去时态时，从句的谓语动词只能用过去时态范围内的某一种形式（客观事实真理除外）。02宾语从句（时态）Hesaysthathe_______(study)atschoolfromMondaytoFriday.Iknowthatshedidn’ttellyouthatshe______(go)toAmericanextmonth.Heistellinguswhat_______(happen)tohimduringourabsence.Asachild,Iwastoldthatthemoon______(have)nolightofitsown.Ididn’tbelieveit.Theboysaidthatthere_____(be)noclassesonSundayafternoon.MyChineseteacheraskedmeifI________(read)thebookBlackandWhitewhenhecamein.studieswouldgohappenedhaswerewasreading引导词系动词特殊引导词表语从句0303表语从句（系动词）常见的系动词有：be动词（am，is，are）感官动词（feel，look，smell，sound，taste，seem）“变得”类系动词（get，become，turn，grow）“保持”类系动词（keep，stay，remain）03表语从句（特殊引导词）1.Thetruthisthathehasneverbeentothecountryside.2.ThequestioniswhetherwecanfinishtheexperimentbyFriday.实际情况是他从未去过农村.that一般不省略问题在于我们能否在明天下午之前完成这项实验.表语从句不用if系动词后面03表语从句（特殊引导词）Thisiswhere

LuXunoncelived.Thatwashow

theywonthematch.Thisiswhyshegotupsoearlythismorning.这就是鲁迅曾经住过的地方.他们就是这样赢得这场比赛的.

这就是她为什么今天早上起得这么早的原因.固定句型:Thisiswhere…Thisiswhy…Thisishow….这就是…的地方这就是…的原因这就是…的方法03表语从句（特殊引导词）1.Itlooksasifitweregoingtorain.好象看上去要下雨似的.(其实不会)asif/asthough从句常表示不真实的情况Shetalksasif/asthoughshehadbeentherebefore.她说话的口气好象以前去过那儿似的.又比如:Sheclosedthedoorasif/asthoughshewouldnevercomeback.她关上门似乎将永不回来。再比如:03表语从句（作文好句）1.Thatisbecause…2.Thatiswhy…3.Thereasonisthat…原因结果原因03表语从句（作文好句）1.IdrovetoZhuhaifortheairshowlastweek.Thatis_____Ihadafewdaysoff.2.---Theprojectwasturneddown.---Isthat________welackmoney?3.Tomdidn’tgotoschooltoday.Thereasonwas______hefellill.thatwhybecause引导词抽象名词同位语从句04同位语从句&定语从句04同位语从句（引导词&抽象名词）Thefactthatthetransportofthegoodscosttoomuchwasnotdiscussed.Wearenotlookingintothequestionwhetherheisworthtrusting.Theproblemwhowillbesenttoworktherehasn’tbeensolved.Ihavenoideawhyheisalwayslateforschool.跟在某些抽象名词后面，对该名词作进一步解释说明。常用名词有belief,fact,idea,hope,news,doubt,result,thought,information,opinion，suggestion,order,demand,wish等。04同位语从句（VS定语从句）1从句功能不同定语从句：修饰限制；同位语从句：补充说明抽象名词的具体内容2先行词的区别同位语从句：先行词大多是抽象名词；定语从句：先行词可以是任何名词/代词。

3引导词的区别引导词不同：引导词的功能不同：

判断:定语从句or同位语从句1.Theorderthatweshouldsendafewpeopletohelptheothergroupswasreceivedyesterday.

2.Theorderthatwereceivedyesterdaywasthatweshouldsendafewpeopletohelptheothergroups.3.ThenewsthathewillleaveforShanghaiistrue.4.Thequestionthatwediscussedyesterdayisadifficultone.(定语从句)(同位语从句)(同位语从句)(定语从句)1.Weexpressedthehopethattheyhadexpected.2.WeexpressedthehopethattheywouldcometovisitChinaagain.定语从句同位语从句3.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从句宾语时可以省略。区别that引导的同位语从句和定语从句：1.引导同位语的连词that在句中不作任何句子成分，而在定语从句中，that充当的可以是从句的主语或宾语等。2.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”。考点突破考点突破1wh~orwh~ever1.Shewillgive________needshelpwarmsupport.(Shewillgiveanyone_____needshelpwarmsupport.)2.Icanjudgeby_____Iknowofhim.（Icanjudgebythething_____Iknowofhim.）3.Youcanwriteabout_________topicyouprefer.(Youcanwriteaboutanytopic_____youprefer.)4.Thereareseveraltopicsaboutwomenofachievement.Youcanwriteabout_________topicyouprefer.whoeverwhowhatthatwhateverthatwhicheverconclusion:连接词what、which、who分别表示“……的事情/样子/东西”“哪一个”“谁”，表示疑问含义；而~ever意为“无论……”,强调一切情况。whatever=anythingthat；whoever=anyonewho考点突破2whatorthat1._______makesthebooksoextraordinaryisthecreativeimaginationofthewriter.