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1、让步状语从句专讲让步状语从句通常用though,although,nomatter,evenif,if,eventhough,however,whatever等引起。△让步状语从句可以前置,也可以后置;前置时强调主句内容,后置时强调从句内容。有时也可以采取中位(插入句中)。①两个词同义,一般情况下可以互换使用,如:Hedidn’tlightthefirethough/althoughitwascold.③though可以和even连用,但although不可以,Although(Eventhough)thetrafficheldusup,wegottotheairportontime.1.
2、although和though引导的让步状语从句:④当让步状语从句是指一种假设的情况,不指事实时,通常用though,而不用although,如:Hewillneverdosuchathingthoughhe(should)beforcedto.⑤though可以在非正式文体中用作连接性状语,而although则不行。(though可以放在句中或句末,通常用逗号隔开),如:Hesaidhewouldcome;hedidn’t,though.⑥though引导的从句可用倒装语序(即把从句中的表语或状语等放在though之前),而although不能这样用,如:Youngthoughsheis
3、,yetsheisfitforthejob.(=Youngassheis,…)⑦有时可用副词yet,still,nevertheless(但不能用连词but)加强语气,如:Thoughheisoverseventy,yet/still/neverthelesshecanridethebike.⑧though和although后面的主语和谓语动词be可以省略,如果这个主语和主句中的主语指同一个人或物时,如:Though(hewas)severelywounded,yetherefusedtoleavethebattlefield.Though(theywere)verytired,theyc
4、ontinuedtomarchon.2.evenif,eventhough和if引导的让步状语从句:evenif与eventhough同义,常用于强调让步概念I’lldoit,evenifittakesmealltheafternoon.Evenifyoufail,youcantryagain.注:if有时也可以用于让步含义,但要注意条件if与让步if的区别,试比较:Ifheispoor,howcanhebuythehouse?(条件)Ifheispoor,heisatleasthonest.(让步)(=evenif)3.由as,that,though引导的特殊让步状语从句结构:在正式文体
5、或文学作品中,为了强调让步的含义,可用as引导让步从句。但as一般不置于句首,而将从句中的表语或状语置于句首。(though,that与as一样,也可以用于这种结构),如下面几种情况:①表语的倒装:OldasIam,Icanstillfight.Tallas/thoughhewas,hecouldn’treachthetopshelf.Difficultthoughthetaskwas,theymanagedtoaccomplishitintime.③谓语动词的倒装:Tryashewould,hecouldnotrememberawordofit.(=Nomatterhowhewouldt
6、ry…)Tryashemight,hedidn’tpasstheexam.Tryasyoumay,youwillneversucceed.②状语的倒装:(这时不可在状语之前加very,much等修饰语)MuchasIadmirehimasawriter,Idonotlikehimasaman.HardasIstudied,Icouldnotcatchupwiththem.注意事项:①如果是单数名词或形容词最高级作表语,不再用冠词,如:Childas/thathewas,heknewwhatwastherightthingtodo.Youngestasheisinourclass,hespe
7、aksEnglishthebest.②as从句可以置于主句前、主句后或句中,当as从句置于句首时,主句前可加yet,如:Mary,braveassheis,isafraidofsnakes.Richasheis,(yet)Idon’tenvyhim.③当作表语的形容词提前时,如果从句的主语是人称代词,那么它只能放在动词之前;如果从句的主语是名词,则可用倒装语序,也可用陈述语序,Cleverthough/asyoumayb