名词性从句-主语从句.ppt

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1、请君思考：从句的特点?名词性从句的类别？名词性从句的连词有哪几大类？其特点？能否举几个接形式宾语it的宾语从句？那些动词的宾语从句需要虚拟？表语从句的特殊关联词有哪些？Whether和If的用法有哪些区别？从句的解题步骤是什么？Warming-upReadandfindoutthesentenceswithasubjectclauseinthereadingpassage?1)Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhent

2、hedustsettledintoasolidglobe.2).Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.4).Whatscientiststhinkisthattheearthwasdifferentbecauseof…6).Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependon…3)Whatisevenmoreimportantis

3、thatastheearthcooleddown,waterbegantoappearonitssurface.5)Whytheysuddenlydisappearedstillremainsamystery.共同特点：1）都有一个引导词2）引导词做句子成分？？3）引导词有其汉语意思？？名词性从句的类别？关联词有那几大类？能否举几个接形式宾语it的宾语从句？那些动词的宾语从句需要虚拟？表语从句的特殊关联词有哪些？一、名词性从句NounClause宾语从句表语从句主语从句同位语从句作用相当于名词（三）、主语从句Sub

4、jectClause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，1.从属连词that1)Thatherhairwasturninggrayworriedherabit.=Itworriedherabitthatherhairwasturninggray.2)Thatcomputershavechangedourlifeisknowntoeveryone.=It’sknowntoeveryonethatcomputershavechangedourlife.结论：that无含义,不做成分,但不能省。2.

5、从属连词whetherWhethertheheadmasterwillsupportusisaproblem.结论：whether表“是否”，不可换成if3.连接代词what1)WhatIcan’tunderstandiswhyheisoftenabsentfromschool.2)Whatparentssayanddohasalife-longeffectontheirchildren.(07陕西)3)WhatmattersmostinlearningEnglishisenoughpractice.(07全国）结

6、论：what“所…的”，在从句中做主、宾、表语成分。4.连接代词whatever1)Whateverwassaidheremustbekeptasecret.2)WhateverDavidsayssoundsrighttoHelen.3)WhateverImaydoissupportedbymyparents.结论：whatever在从句中充主、宾语，表“无论什么”=anythingthat5.连接代词who1)Whowillbethenextmayorisnotourconcern.2)Whowillattend

7、themeetinghasnobeendecided.3)Whoistoblameremainsaquestion.结论：who在从句中充当主语，带有疑问含义。6.连接代词whoever1)Whoeverworkshardisrespectedbyothers.2)Whoeverbreaksschoolruleswillbepunished.3)Whoeverdoessowillregretlater.结论：whoever表示“无论谁…..”=anyonewho7.连接代词whichWhichclasswillbe

8、numberoneremainstobeseen.结论：which表“哪一个”1)Whentheweddingwillbeheldiscleartoeveryonenow.2)Whereyouwerebornisnotimportant.3)Howyoudressreflectsyourpersonality.4)Whyshedressessobeautif