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板块三句法提升表达升级第二讲复合句第二节名词性从句专题复习·英语考点一四大名词性从句考点二名词性从句的易混辨析考点考点一四大名词性从句高频考点深化突破考点诠释对点演练1．主语从句(1)that连接从句时，没有具体意思，不充当句子成分，只是起连接作用，但that不能省略。Thatthecollegewilltakeinmorenewstudentsthisyearistrue.(2)whether连接从句时，表示怀疑，不能省略，意为“是否”，在句首时不能用if替换。Itisstillunderdiscussionwhethertheoldbusstationshouldbereplacedwithamodernhotelornot.考点一四大名词性从句高频考点深化突破考点诠释对点演练(3)特殊疑问词连接从句时，不省略，在从句中充当句子成分。(2014·高考大纲卷)ExactlywhenthepotatowasintroducedintoEuropeisuncertain，butitwasprobablyaround1565.准确地说，土豆是什么时候被传到欧洲的还不确定，但是可能是在1565年左右。考点一四大名词性从句高频考点深化突破考点诠释对点演练(1)用it作形式主语的常用句型有：①It＋系动词＋形容词(necessary/right/likely/unlikely/wrong/important/certain等)＋that从句②It＋be＋名词(短语)(apity/ashame/nowonder等)＋that从句③It＋be＋过去分词(said/told/reported/decided等)＋that从句④It＋特殊动词(seems/appears/happens/matters)＋that从句Itiscertainthatshewilldowellintheexam.It’sapitythatwecan’tgotheretogether.考点一四大名词性从句高频考点深化突破考点诠释对点演练(2)在Itisnecessary/important/suggested/advised/ordered＋that从句结构中，从句用“(should＋)动词原形”。考点一四大名词性从句高频考点深化突破考点诠释对点演练2．宾语从句(1)动词find，feel，think，consider，take(认为)，make，believe，guess，suppose，assume等后面有宾语补足语时，需用it作形式宾语而将that引导的宾语从句后置。Weconsideritnecessarythatheshouldimprovehispronunciation.考点一四大名词性从句高频考点深化突破考点诠释对点演练(2)由whether或if引导的宾语从句，要保持陈述句语序。在下列情况下一般只能用whether，不用if。①引导的从句作介词宾语时。Everythingdependsonwhetherwehaveenoughmoney.②从句中直接与ornot连用时。Iwonderwhetherornothewillcome.③后接动词不定式时。Canyoutellmewhethertogoortostay?考点一四大名词性从句高频考点深化突破考点诠释对点演练3．表语从句(1)that连接从句时从句为句意完整的陈述句，that一般不省略，无具体的意思，不充当句子成分，只起连接作用。Thereasonisthathegotuplate.(2)whether连接从句时从句来源于一般疑问句，为一个句意完整、语气不确定的陈述句。whether不能省略，意为“是否”，不能用if替换。Thepointiswhetherweshouldlendhimthemoney.考点一四大名词性从句高频考点深化突破考点诠释对点演练(3)特殊疑问词连接从句时不省略，在从句中充当成分。(2014·高考浙江卷)“Everytimeyoueatasweet，drinkgreentea.”Thisiswhatmymotherusedtotellme.每次吃糖的时候都喝杯绿茶，这是妈妈过去常给我说的话。考点一四大名词性从句高频考点深化突破考点诠释对点演练常见的表语从句句型：①Itlooks/seemsasif...好像……；仿佛……②Thisisbecause...这是因为……③Thereasonwhy...isthat...……的原因是……④Thatiswhy...那就是……的原因⑤Thequestion/problemiswhether/when/where...问题是……⑥Hisdream/suggestion/aim/purposeisthat...他的梦想/建议/目标/目的是……考点一四大名词性从句高频考点深化突破考点诠释对点演练Ihadacold.That’swhyIdidn’tattendschool.Ididn’tattendschool.That’sbecauseIhadacold.考点一四大名词性从句高频考点深化突破考点诠释对点演练4．同位语从句(1)that连接从句时从句为一个句意完整的陈述句，that不省略，无具体意思，不充当句子成分，只起连接作用。TheyexpressedthehopethatwewouldgoandvisitShanghaiagain.(2)whether连接从句时不省略，意为“是否”，不能用if替换。Heaskedherthequestionwhethertheycanbefriends.考点一四大名词性从句高频考点深化突破考点诠释对点演练(3)特殊疑问词连接从句时不省略，在从句中充当句子成分。(2014·高考重庆卷)—IsittruethatMikerefusedanofferfromYaleUniversityyesterday?—Yeah，butIhavenoideawhyhedidit；that'soneofhisfavoriteuniversities.——Mike拒绝了耶鲁大学的录取，这是真的吗？——是的，我不知道他为什么要这样做。耶鲁大学是他最喜欢的大学之一。考点一四大名词性从句高频考点深化突破考点诠释对点演练①suggestion，advice，order，request，requirement等名词的同位语从句需用“(should＋)动词原形”。②常见的同位语从句直接放在抽象名词之后，分隔式同位语从句是指抽象名词和同位语从句之间出现谓语动词，以平衡句子结构，避免头重脚轻。Thefactisclearthatheisinnocentintheaccident.考点一四大名词性从句高频考点深化突破考点诠释对点演练填入适当的连接词1．(2014·高考陕西卷变式)____________thedelayedflightwilltakeoffdependsmuchontheweather.2．(2014·高考四川卷变式)Grandmapointedtothehospitalandsaid，“That's____________Iwasborn.”3．WithmanycitiesinChinadreadfullyblanketedbythickhaze，theenvironmentalproblemis____________Chinesepeopleconcernmostnowadays.wherewhatWhen考点一四大名词性从句高频考点深化突破考点诠释对点演练4．Researchsuggestsanincreaseinvoiceisasignal____________oneislying.5．____________shockedusis____________anAsianAirlinesplaneflyingfromSeoulcrashedatSanFrancisco，killingtwoChinesegirlsandsendingasmanyas130tothehospital.6．____________makesthebooksoextraordinaryisthecreativeimaginationofthewriter.thatWhatthatWhat考点一四大名词性从句高频考点深化突破考点诠释对点演练8．Expertsbelieve____________peoplecanwastelessfoodbyshoppingonlywhenitisnecessary.7．____________IwanttotellyouisthedeeploveandrespectIhaveformyparents.9．I’veputacrossonthemaptoshow____________thatfamoushotelis.10．Infact，I’mwondering________myeffortswereallinvain.Whatthatwherewhy考点一四大名词性从句高频考点深化突破考点诠释对点演练考点二名词性从句的易混辨析高频考点深化突破考点诠释对点演练1．名词性从句引导词that与what的区别引导词句法功能省略情况that不作任何句子成分引导宾语从句有时可以省略what主语、宾语、表语、定语不能省略Thattheyaregoingtodiscussatthemeetingishowtoincreasefoodsupplyintheworld.(错误)Whattheyaregoingtodiscussatthemeetingishowtoincreasefoodsupplyintheworld.(正确)考点二名词性从句的易混辨析高频考点深化突破考点诠释对点演练2．“疑问词＋ever”引导的名词性从句与“nomatter＋疑问词”引导的状语从句的区别(1)“疑问词＋ever”既可引导名词性从句，也可引导让步状语从句。(2)“nomatter＋疑问词”只能引导让步状语从句。Asmanyasfivecoursesareprovided，andyouarefreetochoosewhicheversuitsyoubest.(宾语从句)Whoeverbreaksthelawshouldbepunished.(主语从句)Whoever(nomatterwho)breaksthelaw，he/sheshouldbepunished.(状语从句)考点二名词性从句的易混辨析高频考点深化突破考点诠释对点演练3．同位语从句和定语从句的区别(1)从语法的角度来看例1：Aplaneisamachinethatcanfly.例2：Thefactthattheydidn'tfinishtheworkhastobefaced.例1中的that在从句中充当句子成分，作从句的主语，故为定语从句；例2中的that只起连接作用，引导从句解释fact的内容，不作任何句子成分，故为同位语从句。考点二名词性从句的易混辨析高频考点深化突破考点诠释对点演练(2)从可否省略上来看例1：Thenewsthatsheheardistrue.她听到的消息是真的。例2：Thenewsthatshewillgoabroadistrue.她将出国这个消息是真的。例1是定语从句，that可省略；例2是同位语从句，that不能省略。考点二名词性从句的易混辨析高频考点深化突破考点诠释对点演练4．名词性从句的语序和时态(1)名词性从句的语序：陈述语序。Canyoutellmewherehelives?(2)在宾语从句中，当主句动词是现在时时，宾语从句根据自身的句子情况，而使用不同时态：Shesays(that)sheworksfromMondaytoFriday.Shesays(that)shewillleaveamessageonhisdesk.Shesays(that)shehasneverbeentoMountEmei.考点二名词性从句的易混辨析高