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1、高考专题复习名词性从句NOUNCLAUSES概念：名词性从句是由if,whether,that和各种疑问词充当连接词所引导的从句，其功能同名词一样，可在句中充当主语、表语、宾语、同位语。主语从句表语从句宾语从句同位语从句从属连词that,if,whether，asif，asthough（不充当成分）连接代词who,what,which,whose,whom,whichever,whatever,whoever,whomever,howmany/much(主语、宾语、表语、定语）连接副词when,where,how,why,howsoon/of
2、ten/long（状语）主语从句在句中作主语，一般可置于谓语之前，但多数情况，由it作形式主语，而把主语从句置于主句之后(if不能放句首，that不可省)Whatyouneedismorepractice.Whateverwassaidheremustbekeptsecret.Thatshewaschosenmadeusveryhappy.Whenweshallhaveoursportsmeetisstillaquestion.Whetherornothewillgoisuptohimtodecide.Itisnotknownwhether/
3、ifhewillcome.常用it作形式主语的结构1.Itis＋名词(apity/shame,afact,anhonor,apleasure)＋从句It’sashamethatshedidn’tcomewithus.It’ssuchapleasurethatyouarehere.2.Itis＋形容词(clear,obvious,possible,important,necessary,true,strange)＋从句Itisstrangethatheshouldnotattendthemeeting.Itisimportantthathesp
4、eakEnglisheverday.3.It＋过去分词＋从句Itissaidthatsheisthebeststudentinourclass.ItiswellknownthatTaiwanbelongstochina.4.Itdoesn’tmatter+wh--从句Itdoesn’tmatterwheretheyhavegone.Itdoesn’tmatterwhatpeoplethinkofme宾语从句宾语从句就是在复合句中作宾语的名词性从句，通常放在主句谓语动词(及物动词)或介词之后。Iheard(that)bejoinedthearm
5、y.Shedidnotknowwhathadhappened.Iwonderwhetheryoucanchangethisnoteforme.Shetoldme(that)shewouldacceptmyinvitation.1.作动词的宾语2.作介词的宾语Oursuccessdependsuponhowwellwecancooperatewithoneanother3.作形容词的宾语Iamafraid(that)I’vemadeamistake.it可以作为形式宾语Wehearditthatshewouldgetmarriednextmon
6、th.B.否定的转移若主句谓语动词为think,consider,suppose,believe,expect,guess,imagine等，其后的宾语从句若含有否定意义，一般要把否定词转移到主句谓语上，从句谓语用肯定式。例如：Idon’tthinkthisdressfitsyouwell.1C.that在宾语从句中的省略与保留1.在主+谓+it(形式宾语)+宾补+that从句(真正宾语)的句型中不省.Wemustmakeitclearthatwemeanwhatwesay.2.由连词and连接的两个由that引导的宾语从句中,第二个that
7、不省.Hetoldmethathewouldcomeandthathewouldcomeontime.表语从句表语从句在复合句中作表语的名词性从句，放在系动词之后，一般结构是“主语＋连系动词＋表语从句”。可以接表语从句的连系动词有be,look,remain,seem等。例如：1.Thequestioniswhetherwecanmakegoodpreparationinsuchashorttime.2.Thisiswhywecan’tgetthesupportofthepeople.3.Butthefactremainsthatweareb
8、ehindtheotherclasses.4.Thereasonwhyhewaslateforschoolisthathemissedtheearlybus.注意:
