高考英语 名词性从句的六大误区教案

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1、名词性从句的六大误区误区一：that与what的混用1.Thattheyaregoingtodiscussatthemeetingishowtoincreasefoodsupplyintheworld.(错误)Whattheyaregoingtodiscussatthemeetingishowtoincreasefoodsupplyintheworld.(正确)注：that在引导名词性从句时本身没有意义，也不在从句中充当任何成分；而what则表示“什么”“……的东西或事情”，在从句中充当主语，宾语或表语等。上句中的what应充当discuss的宾语。误区二：if与whether的混用2

2、.IfwewillvisittheGreatWalltomorrowhasnotbeendecidedyet.(错误)WhetherwewillvisittheGreatWalltomorrowhasnotbeendecidedyet.（正确）注：if与whether引导宾语从句时往往可换，但在下面情况时常使用whether：作介词的宾语时，见例①；在从句中提出两种选择时，见例②；从句提前时，见例③；引导主语从句，表语从句及同位语从句时，见例④。①IworryaboutwhetherIhurthisfeelings.②Shewasn’tsurewhethersheshouldlaugh

3、orcry.③WhetherhewillcomeornotIdon’tquiteknow.④Whatmanypeopleareworriedaboutiswhetherwewillbeabletobuildabetterfuture.Wehavesomedoubtwhethertheycancompletethetaskontime.误区三：that与because的混用3.⑴Thereasonwhyhewaslateforschoolwasbecausehegotuplate.(错误)Thereasonwhyhewaslateforschoolwasthathegotuplate.(

4、正确)⑵Whyfarmlandhereisbeinglostisbecausefarmershavecutdowntoomanytreesinrecentyears.(错误)Whyfarmlandhereisbeinglostisbecausefarmershavecutdowntoomanytreesinrecentyears.(正确)注：reason作主语时引导的表语从句或why引导的名词性从句时常用that不用because.误区四：忽略连词that4.Theseoldlanguagesarenowthreatenedandmaydisappearisaseriousmatter

5、tothepeopleinBritain.(错误)ThattheseoldlanguagesarenowthreatenedandmaydisappearisaseriousmattertothepeopleinBritain.(正确)注：that在引导宾语从句时常常可省，但在下面情况时不可省去：宾语从句不止一个时，见例①；宾语从句与主句之间有插入语时，见例②；宾语从句为一个主从复合句时，见例③；引导主语从句，表语从句或同位语从句时，见例④。①Theycomplain(that)theyhavetoworkfrommorningtillnight,thatitishardtoearnm

6、oney,thattheyarebullied(欺负)bythepolicemen,orthatthecorporationleadersareseatedlazilyandenjoythefruitsofothers’work.②Theteachersaid,pleasantlyandfirmly,thatwemustovercomethedifficulties.③Webelievethatifweworkharder,IwillpasstheNationalCollegeEntranceExamination.④Thetroubleisthatshehaslosthisaddre

7、ss.(表语从句)WordcamethatChinalauncheditsfirstmannedspaceshiponOct.15,2003.（同位语从句）误区五：nomatterwhowhatwhichhowwhere…与whoeverwhateverwhicheverhoweverwherever…5.Nomatterwhobreakstheruleswillbepunished.(错误)Whoeverbreakstheru