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时间:2019-07-18
《主语从句;表语从句.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、主语从句表语从句一.主语从句主语从句在从句中作主语,主语从句可以位于句首,但常见的主语从句多放在句末,句首则用形式主语it。ThatIdidnotlearnthesubjectclausewellwasapity.ItwasapitythatIdidnotlearnthesubjectclausewell.注意:连词that,whether在从句中不担任句子成分,只起连接作用,不能省略。试比较:Thisisafactorythatproducesshoes.Thatthefactoryproducesgoodshoesisknow
2、ntoall.if不能引导主语从句:Whetherhewillcomeornotisnotknown.注意:who,which,how,when,where,why在所引导的主语从句中可担任主语,宾语,状语,不能省略。可以用形式主语it引导。Whocantelluswhatisgoingtohappenisaquestion.Whichofthelearningmethodsuitsusisnotclear.Whenandwhereweshouldgoisuptoyou.Whyheinsistsondoingthatisnotkn
3、own.注意:who,whom,which,what等可以和ever构成合成词,引导主语从句和宾语从句。此类主语从句不能用it引导,引导词在句中担任句子成分,不能省略。Whoeverwilldothejobhasnothingtodowithme.WhomeverWangLaowuwillmarryisnoneofmybusiness.WhicheverLiCuihuaheisgoingtomarrydoesnotinterestme.a.It+be+形容词+that-从句Itisnecessarythat…有必要……Itisim
4、portantthat…重要的是……e.g.Itisimportantthatwe(should)studyhard.b.It+be+-ed分词+that-从句Itisbelievedthat…人们相信……Itisknowntoallthat…众所周知……Ithasbeendecidedthat…已决定……e.g.Itissuggestedthatwe(should)finishitnow.用it作形式主语的that-从句句型d.It+不及物动词+that-分句Itappearsthat…似乎……Ithappensthat…碰巧…
5、…Itoccurredtomethat…我突然想起……e.g.Itappearsthatshefollowedmyadvice.c.It+be+名词+that-从句Itiscommonsensethat… …是常识Itisasurprisethat…令人惊奇的是…Itisafactthat…事实是……e.g.Itisafactthatweareonlystudents.(1)Itissaid/reported…结构中的主语从句不可提前。Itoccurredtohimthathefailedintheexamination.That
6、hefailedintheexaminationoccurredtohim.注意几点:(2)Ithappens/occurs…结构中的主语从句不可提前。(3)Itdoesn’tmatterhow/whether…结构中的主语从句不可提前。Itdoesn’tmatterwhetherheiswrongornot.Whetherheiswrongornotdoesn’tmatter.1.______menhavelearnedmuchfromthebehaviorofanimalsishardlynew.A.ThatB.ThoseC
7、.WhatD.Whether[译文]人类从动物的行为中学到了许多东西,这已经不是什么新闻了。本题测试引导主语从句的连词,题中主语从句的成分完整,因此需要一个在句子中不起任何成分的连接词,因此只有A项符合题意。解析2.Insomecountries,________iscalledequalitydoesnotreallymeanequalrightsforallpeople.A)whichB)whatC)thatD)on有一些国家所谓的平等实际上并不意味着全体人民都享有平等的权利。此题测试主语从句。连接词what引导的名词
8、从句,在上述句子中作主语,它本身又在从句中作主语成分,相当于thethingwhich之意。解析3._____toattendthemeetinghasdecidedbythemanager.哪些人去参加会议,已由经理做出了决定。Whowillg
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