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时间:2020-08-18
《主语从句超全讲解加练习课件.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、GrammarGrammar主语从句主语从句:做主语用的名词性从句,因其在复合句中做主语,又称主语从句,引导主语从句的有连词that,whether,连接代词who,what,which,连接副词when,where,how,why等。RecallingSubjectClauseDefinition(定义)________________________叫做主语从句。Structure_______+_________在复合句充当主语的句子连接词简单句Whether,thatWho,what,when,where...在从句中______成分在从句中_____成分不充
2、当充当(陈述语序)单数Whether,that从属连词Who,what,连接代词when,where...连接副词3.Whatshesaidisnotyetknown.4.Whoevermakesmistakesmustcorrectthem.5.Howhedidthiswasstillapuzzle.6.Whenyouwillcomebackdoesn’tmatterDiscoverySubjectClause连接代词:在从句中充当主语、宾语、表语、定语。连接副词:在从句中充当状语。连接代词连接副词如:whatwhateverwhowhoeverwhich
3、whose.如:howwhywherewhenwheneverwherever.SubjectClause1.Thatweshallbelateiscertain.2.Whethertheywillsellthehouseisnotyetdecided.3.Whatshesaidisnotyetknown.4.Whoevermakesmistakesmustcorrectthem.5.Howhedidthiswasstillapuzzle.6.Whenyouwillcomebackdoesn’tmatterThatWhetherWhatWhoeverHowW
4、hen在从句中不充当成分在从句中充当成分Observing主语宾语状语状语1)从属连词:that,whether等.that引导主语从句只起引导作用,本身无实际意义,在主语从句中不充当任何成分,但不能省略。Thathewillwiniscertain.他肯定会赢。Whetherhe’llcomehereisn’tclear.他是否会来这里还不清楚。SubjectClause1.Thatweshallbelateiscertain.2.Whethertheywillsellthehouseisnotyetdecided.ThatWhetherDiscovery相同点:t
5、hat,whether为从属连词,在从句中不充当任何成分,不可省不同点:that:无词义whether:是否…注意:由that引导的主语从句有时为了使句子结构平衡,避免“头重脚轻”,常用it作形式主语,而把从句放在后面。例如:1.Thathewillrefusethispieceofadviceisimpossible.______________________________________________________________________________2.Thattheyshouldlikeeachotherisnatural._________
6、____________________________*it为形式主语Itisnaturalthattheyshouldlikeeachother.Itisimpossiblethathewillrefusethispieceofadvice.这样就构成了下面一些常用句型:1)Itis+n.+从句Itisapity/shamethat...遗憾的是……Itisasurprisethat…令人惊奇的是…Itisafactthat……是事实Itiscommonknowledgethat……是常识*_______________(很遗憾)welostthematch.*_
7、_____________(这是事实)hecheatedintheexam.ItisapitythatItisafactthat2)Itis+adj.+从句It’scertainthat…肯定…Itispossiblethat...很可能……Itisunlikelythat...不可能……Itisobviousthat…很明显…Itisnecessaryimportantatural...that…*_________________(很可能)shewillcomebacktomorrow.*_________________(很明显)thi
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