2013届高三英语二轮复习专题课件：第七讲 名词性从句

新课标高考总复习·英语(配外研版)新课标高考总复习·英语(配外研版)名词性从句是高中阶段英语学习的重点，也是高考的主要考点之一。做题时一定要学会分析句子结构，理解题干的具体语境，才能有针对性的应考。名词性从句在高考中的考查重点主要集中在对连接词的正确把握。近几年连接词what的用法成为考查的热点。另外，1.that和what引导名词性从句的区别；2.名词性从句的语序和时态；3.it作形式主语、形式宾语的几种情况以及其它连词的用法也时有考查。新课标高考总复习·英语(配外研版)一、名词性从句的连接词连接词及从句类型典句例示备注连接词that，whetherifthat在句中只起连接作用，不作成分，有时可省略；whether和if不充当成分，意为“是否”，不能省略主语从句Thathewillcomeiscertain.(that不可省略)Whethershe’scomingornotdoesn’tmatter.(不能用if)(1)句首不能省略that(2)位于句首的主语从句一般用whether宾语从句Ibelieve(that)theywillfinishtheworkintime.Iwentinandaskedif/whethertherewasaJohnlivingthere.(1)that可以省略(2)if与whether可互换(3)作介词宾语时一般用whether表语从句ThefactisthatIhaveneverbeenthere.Thequestioniswhetheritisworthdoing.(1)that一般不省略(2)用whether而不用if同位语从句ThefactthatLuoJingdiedmadealotofaudiencesad.Thequestionwhethertheworkwasworthdoinghasnotbeendecided.(1)that不能省略(2)用whether而不用if新课标高考总复习·英语(配外研版)连接词及从句类型典句示例备注连接代词who，whom，whose，which，what和whatever，whichever，where，when，why，how等连接副词它们都有各自的意义，连接代词在从句中作主语、表语、宾语或定语。连接副词在从句中作状语主语从句Whathesaidisveryimportanttous.Whichsidewillwinisnotclear.Whyhecamelatetodayhasbeenclearnow.(1)用陈述语序(2)what从句相当于“先行词＋that引导的定语从句”宾语从句Payattentiontowhattheteachersaid.Idon’tknowwherewearegoingtohavethemeeting.用陈述语序表语从句Thatiswhatwe’vebeenexpecting.Thatiswhereheusedtowork.用陈述语序同位语从句Ihadnoideawhohadstolenthemoney.Ihavenoideahowhewillcome.Thenewscamethatwewouldhavethreeholidaysoff.(1)必须用陈述语序(2)同位语从句的连接词不能省略新课标高考总复习·英语(配外研版)特别提醒：无论什么从句，都是陈述语序(包括定语从句、状语从句、宾语从句、主语从句……)新课标高考总复习·英语(配外研版)从句注意事项典句示例主语从句用it作形式主语的常用句型有：1．It＋系动词＋形容词(necessary/right/likely/unlikely/wrong/important/certain等)＋that从句2．It＋be＋名词(短语)(apity/ashame/nowonder等)＋that从句3．It＋be＋过去分词(said/told/reported/decided等)＋that从句4．It＋特殊动词(seem，appear，happen，matter)＋that从句Itiscertainthatmostofthefarmershavebroughtinmoremoneybyallmeansthanbefore.It’snowonderthatyou’veachievedsomuchsuccess.Itissaidthattheprofessorhasalreadysucceededincarryingouttheexperiment.IthappenedtomethatIhadbeenawaywhenhecalled.在Itisnecessary/important/suggested/advised/ordered＋that从句结构中，从句用“(should＋)动词原形”Itisnecessaryandimportantthatone(should)mastertheskillofoperatingcomputerssoastomeettheneedofajob.Itwassuggestedthatthey(should)startatonce.二、名词性从句注意事项新课标高考总复习·英语(配外研版)从句注意事项典句示例宾语从句在主句的主语是第一人称单数，谓语为think，believe，suppose，expect等动词后面的宾语从句中，有时谓语尽管是否定意思，却不用否定形式，而将think等动词变为否定形式，这一现象称为否定前移Idon’tthinkyouareright.Idon’tsupposehecares，doeshe？有些动词带宾语从句时习惯上需要在宾语从句前加it，这类动词有：hate，enjoy，like，love，dislike，appreciate，seeto，insiston，dependon等Ihateitwhentheytalkwiththeirmouthsfulloffood.一般情况下介词后只能用wh类连接词引导宾语从句，但except，in，but等也可跟that引导的宾语从句。其他介词后面需要用that从句作宾语时，必须用it作形式宾语Yourcompositionisquitegoodexceptthattheorganizationisabitloose.YoumaydependonitthatIshallalwayshelpyou.新课标高考总复习·英语(配外研版)从句注意事项典句示例宾语从句动词find，feel，think，consider，make，believe等后有宾语补足语时，需要it作形式宾语而将that宾语从句后置Ithinkitnecessarythatwetakeplentyofboiledwatereveryday.在demand/desire/insist/order/propose/recommend/require/suggest/request/advise/command等表示“要求、愿望、命令、建议”等动词后，that从句中常用(should＋)动词原形Theteachersuggestedthatwe(should)callofftheplan.在由doubt，doubtful引导的宾语从句中，如果主句为肯定句，宾语从句的连接词用whether/if，在否定句或疑问句中，宾语从句的连接词常用thatWealldoubtedwhether/ifthenewswastrue.Idon’tdoubtthathewillpasstheexam.新课标高考总复习·英语(配外研版)从句注意事项典句示例表语从句和同位语从句主句的主语是idea，advice，suggestion，order，request，requirement等名词时表语从句的谓语用“(should＋)动词原形”形式Hissuggestionisthatwe(should)changeourcourse.在order，suggestion，advice等名词后的同位语从句中，谓语动词要用“(should＋)动词原形”形式Hissuggestionthatwe(should)holdanothermeetingtodiscusstheproblemwasadopted.主语为名词reason时，表语从句中的连接词用thatThereasonforsuchaseriousaccidentisthatthedriverwastoocarelessanddrunk.新课标高考总复习·英语(配外研版)从句注意事项典句示例特别提醒1.连接词whether，if的区别1)if引导名词性从句时，只能引导宾语从句或不在句首的主语从句2)whether可以作介词宾语，而if则不能3)whether后可以接不定式，而if则不能4)whether后可以直接跟ornot，构成whetherornot，if则不可Itisnotdecidedwhether/ifI’llgoabroad.Italldependsonwhethertheywillsupportus.Hedidn’tknowwhethertogetmarriedortowait.Idon’tcarewhether(if)youcomeornot.Idon’tcarewhetherornotyoucome.新课标高考总复习·英语(配外研版)从句注意事项典句示例特别提醒2.同位语从句与定语从句的区别Thenewsthattheyhadwonthegamesoonspreadoverthewholeschool.(同位语从句，解释消息的内容)Thenews(that)youtoldmeyesterdaywasreallydisappointing.(定语从句起限制作用，表明昨天告诉的，而不是别的时间)从句作用引导词that先行词同位语从句解释、说明内容只起引导作用不作成分，不可省略抽象名词定语从句修饰、限定作主语或宾语，作宾语时可省略无限制新课标高考总复习·英语(配外研版)Loading……