高三英语一轮复习【知识精讲+拓展提升+迁移训练】名词性从句综合课件

语法专题课程第

4

讲名词性从句定义：在句子中起名词作用的句子叫名词从句(NounClauses).名词性从句包括主语,宾语,表语,同位语从句

Theyalsolightlampsandplaymusicbecausetheythink

thatthiswillleadtheancestorsbacktoearth.点灯2.Thecountry,coveredwithcherrytreeflowers,looks

asthoughitiscoveredwithpinksnow.宾语从句表语从句3.Itwasobviousthatthemanagerofthecoffeeshopwas

waitingforLiFangtoleave–hewipedthetables,then

satdownandturnedontheTV-justwhatLiFang

needed!主语从句同位语从句4.MayIaskwhatyouweredoinginmyrestaurantthe

otherday?Ithoughtyouwereanewcustomerandnow

Iknowthatyouonlycametospyonmeandmymenu.

宾语从句Itisthesummerof1903.Twooldandwealthybrothers,RoderickandOliver,havemadeabet.OliverbelievesthatwithamillionpoundbanknoteamancouldsurviveamonthinLondon.HisbrotherRoderickdoubtsit.Atthismoment,theyseeapennilessyoungmanwanderingonthepavementoutsidetheirhouse.ItisHenryAdams,anAmericanbusinessman,whoislostinLondonanddoesn’tknowwhatheshoulddo.ThefactisthatIearnedmypassagebyworkingasanunpaidhand,whichaccountsformyappearance.IwenttotheAmericanembassytoseekhelp,but…accountfor解释…的原因；是…的原因;

说明…的下落；

占；摧毁信不见了，你作何解释？Howdoyouaccountforthedisappearanceoftheletter?马航3570一直下落不明MH3570wasneveraccountedfor.出口占他们贸易量的70%敌方摧毁我方多座防御塔Exportsaccountfor70%oftheirtrade.Theenemyaccountedforanumberofturrets.名词性从句的连接词从属连词thatWhether/ifAsif/though只用于表语从句只起连接作用，不充当成分名词性从句的连接词连接代词What/who/whichWhom/whoseWhichever/whatever/whoever既起连接作用本身又充当成分名词性从句的连接词连接副词When/why/whereHow/howmany/howmuch既起连接作用本身又充当状语成分名词性从句引导词的选择三步骤步骤一：如果从句中缺少主语，或者宾语或者表语、

定语，则考虑用连接代词。步骤二：如果从句中既不缺少主语，宾语也不缺少

表语、定语，但缺少一定意义的状语，则考

虑用连接副词。步骤三：如果从句中既不缺少主语，宾语、表语、定

语，也不缺少状语，则考虑用从属连词。关于that的省略主语、表语、同位语从句中that不能省略ThattheyaregoodatEnglishisknowntoall.Theproblemis

thatwedon’thaveenoughmoney.ThefactthattherearestillmanypeoplesufferingfrompovertyisreallyagreatproblemtotheChinesegovernment.在宾语从句中that不能省略的几种情况1.做介词宾语时不能省略2.由it做形式宾语时不能省略Iknownothingaboutmyneighborexceptthatheusedtoworkabroad.Weallconsiderit

importantthateverystudent(should)betreatedproperly.3.句子含有多个并列句时，不能省略4.宾语从句被隔开时不能省略5.如果名词性从句中又含有从句，不能省略Everyoneknewwhathappenedandthatshewasworried.Ineverdoubt,underanycircumstance,thathewillstudyhard.Keepinmindthatifyouwantotherstorespectyou,youmustrespectothersfirst.It作形式主语和it引导强调句的比较Itisinthemorningthatthemurdertookplace.去掉该结构后，句子成分完整。Itwasapitythatyoushouldn’tgotoseethefilm.在句子中做主语成分。强调句主语从句Whatever/whichever/whoever引导主语从句的区别Whatever是what的强调形式表示

“

无论什么

”

相当于

anythingthat…breatheinbreatheoutWhatever/Anythingthatshedoesiswrong.2.Whoever是who的强调形式，表示“无论谁”，相当于

anyonewho…Whoever/Anyonewhowalksaroundinsuchaheavyrainwillcatchacold.3.Whichever“无论哪个；无论哪些”；既指人又指物，可修

饰名词与of连用Whicheverbookyouborrowdoesn’tmattertome.Whicheverofusfulfillshistaskwilllendahandtoothers.Nomatter+wh-&wh-ever区别在名词性从句当中只能用wh~,在引导让步状语从句两者可以互换.Hewillbelievewhateverotherssay.(划线部分部分为名词性从句，不能互换)Whateverotherssay,hewillbelieveit.(划线部分为状语从句，可以互换)Whoeverwalksaroundinsuchaheavyrainwillcatchacold.

(不可互换)Whether&if区别原则：能用if的情况都能用whether表“是否”在表语,同位语，主语(置于句首时)从句时只用whether表

“是否”

Thequestioniswhetherthefilmisworthseeing.Ihavenoideawhetherweshouldgototheparty.Whetherweshallattendthemeetinghasn’tbeendecidedyet.Itisdoubtfulwhether/ifhewillcomehere.2.形容词；介词；discuss后的宾语从句中只用

whether表

“是否”

Itdependsonwhetheryoucandotheworkwell.Thestudentsarediscussingwhether