英语：Module2 Highlights of my senior Year-Grammar课件(外研版选修7).ppt

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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（只用于表词

2、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,whom,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,how用how组成的词组，如：howmany,howmuch1、主词从句(1)Thathewillcomeiscertain.(2)Whethersheiscomingornotdoesn’tmattertoomuch.(3)Whatsurprisedmemostwastoseesomeofthe

3、villagepeopleseatedonthebenchesattheendoftheroom.(4)Whichteamwillwinthematchisamatterofpublicconcern.(5)Whereshehasgoneisnotknownyet.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–clauseclearimportantnecessarypr

4、obablepossible（1）Itiscertainthatshewilldowellinherexam.（2）Itisprobablethathetoldmeeverything.2、It+be+名词词组+that从句Itis/wasapitythat–clauseshameduty(1)Itisapitythatwecan’tgo.(2)Itisnosurprisethatourteamshouldhavewonthegame.3、It+be+过去分词+that从句Itissaidthat

5、–clausereportedthoughthopedbelievedknown(1)Itissaidthatheisthebeststudentintheclass.(2)ItisthoughtthatJoedrivesbadly.4、It+seem,happen,appear等不及物动词+that从句。(1)ItseemsthatAliceisnotcomingtothepartyatall.(2)IthappenedthatIwasoutthatday.(1)ThiswaswhatTomwa

6、sreading.(2)ThetruthisthatIhaveneverbeenthere.(3)Itlooksasifitisgoingtorain.(4)Thereasonwhyhewaslatewasthathegotuplate.(5)Thisishowweovercamethedifficulties.(6)Thatiswhyshewasabsentyesterday.(7)ThehouseiswhereLuXunoncelived.2、表语从句：比较下列两句话：Isitbecausew

7、eareclosertothesuninsummerthanweareinwinter.Thereasonwhyhedidn’tcomewasthathewasill.3、宾语从句1、用作及物动词的宾语(1)Theypretendedthattheywerereadingintheroom.(2)Ididn’tknowwhattheyweretalkingabout.(3)Doyouknowwhywinteriscolderthansummer?(4)Hecouldn’ttellwherehish

8、omewas.(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.Iwonderwhetheritistru