高考名词性从句.doc

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1、名词性从句在复合句（主句+从句）中起名词作用的句子叫名词性从句。名词性从句分为主句从句、宾语从句、表语从句、同位语从句。主语从句：作句子的主语。名词性从句引导词引导词的用法例句主语从句that在从句中不作任何成分，没有实际意义，只起连接作用。一般不可省略。Thatthecollegewilltakeinmorenewstudentsthisyearistrue.Thatyoudon’tlikestudyingmathisnoneofmybusiness.注意：it做形式主语that从句做真正主语(1)It+系动词+adj.+that从句It

2、isquiteclearthatthewholeprojectisdoomedtofailure.Itisobviousthatyou’vemadeabigmistake.(2)It+系动词+名词+that从句Itisourhopethatthetwosideswillworktowardspeace.Itisapitythatyoudidn’tattendtheeveningparty.(3)It+be+过去分词+that从句Itisreportedthatnopassengerswereinjuredintheaccident.Itis

3、announcedthattheplanhasbeensuccessfullycarriedout.(4)一些其他固定句型Itoccurredtohimthathehadforgottentotakehiskey.if/whether在从句中不作任何成分，意为“是否”。不能省略。if引导主语从句不能位于句首。Whetherthatisagoodsolutiondependsonhowyoulookatit.Whethershewilljoinusdoesnotmattertoomuch.=Itdoesn’tmattertoomuchwhet

4、her/ifshewilljoinus.Whethermorecountriescanusethesenaturalformsofenergyinthefutureremainstobeseen.连接代词who/whoever,whom/whomever,whose/whosever,what/whatever在从句中作主语、宾语、表语或定语，有实际意义。Whateverwassaidherewasofgreatimportance.Whatwecan’tgetseemsbetterthanwhatwealreadyhave.Whichfo

5、otballteamwillwinthematchisuncertainnow.Whowillgomakesnodifference.which/whichever等连接副词when,where,why,how,whenever,however,wherever等在从句中作时间、地点、原因或方式状语Howhebecamerichovernightisstillapuzzle.WhereIwillhavemyholidayisstillunknown.Whenthesportsmeetwillbeheldhasn’tbeendecided.W

6、hyhedidthatwasn’tquiteclear.宾语从句：作句子的宾语名词性从句引导词引导词的用法例句宾语从句that在从句中不作任何成分，没有实际意义，只起连接作用。常可省略。ScientistsexplainthattheoutsideoftheearthismadeupofanumberofdifferentplatesTheybelievethatthebestthinginlifeisfreedom.Hesuggestedyoushouldturntotheteacherforhelp.if/whether在从句中不作任何

7、成分，意为“是否”。不能省略。Theywonderwhether/iftheycanwinevenmoremodelsnexttime.Ihaven’tdecidedif/whetherIwillgoonatriptoParis.连接代词who/whoever,whom/whomever,whose/whosever,what/whateverwhich/whichever等在从句中作主语、宾语、表语或定语，有实际意义。Amancandowhathewants,butnotwantwhathewants.Hecan’tdecidewhich

8、methodhewillusefortheexperiment.Youcantakewhateveryouthinkisuseful.Shedidn’ttellmewhoseum