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1、一、认识名词性从句陈述句Wecangetmorepeopletohelpinthework.Ithink(that)wecangetmorepeopletohelpinthework.（宾语从句）Myideaisthatwecangetmorepeopletohelpinthework.（表语从句）Thatwecangetmorepeopletohelpintheworkisagoodidea.（主语从句）It’sagoodideathatwecangetmorepeopletohelpinthework.（主语从
2、句）Youhavetothinkaboutthefactthatwecangetmorepeopletohelpinthework.（同位语从句）一般疑问句Areyoufreetomorrow?Heaskedif/whetherIwillbefreetomorrow.（宾语从句）Hisdoubtisif/whetherIwillbefreetomorrow.（表语从句）If/whetherIwillbefreetomorrowisnotknown.（主语从句）Itisnotknownif/whetherIwillb
3、efreetomorrow.（主语从句）Ihavenoideaif/whetherIwillbefreetomorrow.（同位语从句）特殊疑问句Wheredidhehidethemoney?Whohastakenawaymybag?Howdidyouknowmyaddress?Nooneknowswherehehidthemoney.()Wherehehidthemoneyistobefoundout.()Myconfusioniswherehehidthemoney.()Thereisnoanswertothe
4、questionwherehehidthemoney.()二、名词性从句的一般引导词1.连接词that只起连接作用，无含义，不充当句子成分，在宾语从句中可省略，但引导其他名词性从句时通常不省略。如：Ihope(that)youenjoyyourholiday.希望你假期过得好。Thathelikesyouisveryobvious.很显然他喜欢你。2.连接词whether和if也不作句子成分，但有含义，表示“是否”；比较：whether与if均为"是否"的意思。但在下列情况下，whether不能被if取代a.whe
5、ther引导主语从句并在句首Whetherhewillcomeisnotclear.b.引导表语从句和同位语从句Thequestioniswhetheritsworthtrying.Weoughttodiscusscarefullythequestionwhetherwecandoit.c.whether从句作介词宾语Ryanwasworryingaboutwhetherhehadhurtherfeelings.d.从句后有"ornot"Ididn’tknowwhetherornothehadarrivedinWu
6、han.e.whether可与不定式搭配，if不能Shehasn’tdecidedwhethertogoornot.练习1).Idon’tknow__________I’llbefreetomorrow.52).Idon’tknow_______ornotI’llbefreetomorrow.3).Thequestionis______thisbookisworthwriting.4.Itdependson______wewillhaveenoughmoney.4).______theycandoitmatters
7、littletous.5)._______youarenotfreetomorrow,I’llgowithoutyou.3.连接代词what,whatever,who,whoever,whom,whomever,whose,whichwhichever,等，在从句中均有含义(多数是其疑问句中本意)，在从句中作主语、宾语、表语、定语等。如：That’swhyshewantedtoleave.这就是她想离开的原因。Whenwearrivedoesn'tmatter.什么时候到没有关系。Tellmewhichoneyou
8、likebest.告诉我你最喜欢哪一个。4.连接副词when,whenever,where,wherever,how,however,why,howmany,howmuch,howoften等，也各自有自己的意义，在从句中作状语。如：Thequestionishowweshouldcarryouttheplan.问题是怎样执行这个计划。Whenshe’llb
