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《高一英语《名词性从句》讲解.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、NounClause名词性从句1、本讲内容:学习名词性从句。2、学习要求:(1)掌握名词性从句的种类。(2)引导名词性从句的连接词。(3)初步学会运用名词性从句。名词性从句3、学习指导:(1)本讲重点:名词性从句的种类。(2)本讲难点:名词性从句的语序。4、典型例题解析:名词性从句包括主语从句、表语从句、宾语从句和同位语从句。它的功能相当于名词,引导名词性从句的引导词归纳起来可分为以下三类。功能例词从属连词只起连接作用,不充当从句中的任何作用。that,whether,if,asif(只用于表语从句)功能例词连接代词既起连接作用,本身又做从句的主语、宾语、表语或定语。Who,w
2、hom,whose,what,which功能例词连接副词既起连接作用,本身又做从句的状语。when,where,why,how1、主语从句(1)Thathewillcomeiscertain.(2)Whethersheiscomingornotdoesn’tmattertoomuch.(3)Whatsurprisedmemostwastoseesomeofthevillagepeopleseatedonthebenchesattheendoftheroom.(4)Whichteamwillwinthematchisamatterofpublicconcern.(5)Wheres
3、hehasgoneisnotknownyet.当主语从句较长时,多放在句子后部,用it作形式主语。以it作形式主语,把主语从句后置的常用句型有:1.It+be+形容词+that从句Itis/wascertainthat–clauseclearimportantnecessaryprobablepossible(1)Itiscertainthatshewilldowellinherexam.(2)Itisprobablethathetoldhereverything.2、It+be+名词词组+that从句Itis/wasapitythat–clauseshameduty(1)It
4、isapitythatwecan’tgo.(2)Itisnosurprisethatourteamshouldhavewonthegame.3、It+be+过去分词+that从句Itissaidthat–clausereportedthoughthopedbelievedknown(1)Itissaidthatheisthebeststudentintheclass.(2)ItisthoughtthatJoedrivesbadly.4、It+seem,happen,appear等不及物动词+that从句。(1)ItseemsthatAliceisnotcomingtothepa
5、rtyatall.(2)IthappenedthatIwasoutthatday.(1)ThiswaswhatTomwasreading.(2)ThetruthisthatIhaveneverbeenthere.(3)Itlooksasifitisgoingtorain.(4)Thereasonwhyhewaslatewasthathegotuplate.(5)Thisishowweovercamethedifficulties.(6)Thatiswhyshewasabsentyesterday.(7)ThehouseiswhereLuXunoncelived.2、表语从句:3
6、、宾语从句1、用作及物动词的宾语(1)Theypretendedthattheywerereadingintheroom.(2)Ididn’tknowwhattheyweretalkingabout.(3)Doyouknowwhywinteriscolderthansummer?(4)Hecouldn’ttellwherehishomewas.(5)Johnmadetheboysitstill,promisingthatnothingwouldhurthim.引导宾语从句的连词that常可省去,特别在口语中是这样。注意:whether和if引导的宾语从句:whether和if引
7、导宾语从句时可以互换使用,但下列情况用whether不用if。(1)在whetherornot结构中不可用if代替whetherIdon’tknowwhetherornothe’llcome.Iwonderwhetheritistrueornot.(2)介词后面的宾语从句用whether,不用ifEverythingdependsonwhetherthesituationwillimprove.(后面要讲到介词后面的宾语从句)(3)引导主语从句和表语从句用whether不用ifWhether
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