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1、2019年高考英语语法必考考点（13）：名词性从句含解析李仕才2019年高考英语语法必考考点13名词性从句【考点解读】一、名词性从句的种类名词性从句包括主语从句、宾语从句、表语从句、同位语从句。二、引导名词性从句的连接词1.连接代词：who,whose,whom,what,which有词义，在从句中担任成分，如主语、表语、宾语或定语等。Ithasnotbeendecidedyetwhenwewillleave.Weareworryingaboutwhatweshoulddonext.2.连接副词：when,where,why,how
2、有词义，在从句屮担任成分，作状语。Itmakesnodiffereneewhereweshal1havethemeeting.Scientistsstudyhowhumanbrainsworktomakecomputers.（2012・四川高考）3.连接词：whether,if,asif,if（whether）,asif虽有词义，但在从句中不充当任何成分，只起连接作用；that无词义，在从句中也不充当任何成分，只起连接作用，有时可省略。Mysuggestionisthatwe（should）haveadiscussionaboutt
3、hismatter.Thequestionwhetherwoneedmoretimetodotheworkhasn,tbeendiscussed.三、that,what引导的名词性从句的区别引导名词性从句时，that没有词义，在从句屮不作任何成分。当从句意义完整，不缺任何成分时，往往选用that；而what引导名词性从句时，意为“什么”或“……的”，在从句中用来作主语、表语或宾语。Whatwasmostimportanttoher,shetoldme,washerfamily.（主语从句；what作主语)Beforethesales
4、start,Imakealistofwhatmykidswillneedforthecomingseason.（宾语从句；、vhdt作宾语）Asanewgraduate,hedoesn，tknowwhatittakestostartabusinesshere・（宾语从句；what作宾语）Chinaisnolongerwhatsheusedtobe.（表语从句；what作表语）Ttneveroccurredtomethatyoucouldsucceedinpersuadinghimtochangehismind.（主语从句）Onere
5、asonforherpreferenceforcitylifeisthatshecanhaveeasyaccesstoplaceslikeshopsandrestaurants・（表语从句）【点睛】（Dthat引导主语从句时，常用it作形式主语，常见句型有：①it+be+形容词（如1：obvious,true,natural,surprising,good,wonderful,funny,possible,1ikely,ceriain,probable,evident,clear,apparent等）+that从句。Isittrue
6、thatthescientistwillgiveusalecturenextweek?②it+be+名词（如：nowonder,anhonour,agoodthing,apity,nosurprise等）+that从句。It，sagreatpitythatit③it+be+过去分词(如：said,probablythelasttimethiswillhappen.reported,thought,estimated,expected,decided,announced,arranged,recognized等）+that从句。Iti
7、sknowntoallthatphysicalexercisescanimproveourphysicalandmentalhealth・类似句型还有：Ttcannotbedeniedthat•••/Ttmustbeadmittedthat•…④it+动词（如：seem,appear,happen,occurtosb.,doesn，tmatter,makenodifference等）+that从句。Itdocsn‘tmatterwhetheryouturnrightorleftatthecrossing一bothroadsleadt
8、othepark.Ttsuddenlyoccurredtohimthathehad1efthiskeysintheoffice-（2）that引导主语从句，置于句首时，that不能省略。Thatweareinvitedtoaconce
