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名词性从句1.主语从句2.宾语从句3.表语从句4.同位语从句导1.Whenwewillstartisnotclear.2.Shewon’tbelievethathersonhasbecomeathief.3.Myideaisthatweshoulddoitrightnow.4.Weheardthenewsthatourteamhadwon.主从宾从表从同从I.名词性从句的引导词：思从属连词连接代词连接副词that（无词义）,whether,if（是否）what,who,whom,whose,which,whoever,whatever,whicheverwhen,where,how,why有词义，但不做成分有词义，做主，宾，表，定语有词义，做状语成分ConjunctionsofNounClauses(引导名词性从句的关联词):1看成分2看句意做题三步曲：步骤一：首先分清主句和从句。步骤二：分析从句缺何种成分。无词义且不做成份则填_________；有词义且表“是否”用__________；有词义且作主/宾/表/定则填_____________________________；有词义作状语成分则填__________________步骤三：根据分析，选择恰当的连词突破方法thatwhetherwhat,who,whom,whose,which,whoever,whatever,whicheverwhen,where,why,how,名词性从句1.主语从句2.宾语从句3.表语从句4.同位语从句ThattheyaregoodatEnglishisknowntousall.=____________________________________。划线部分是_______从句。that从句做主语时，为避免头重脚轻，常用_______作形式主语代替主语从句①Itisafact_______hewonthematch.②Itisnecessary_______westudyEnglishwell.③Itisknowntoall_______lighttravelsinstraightlines.④Itseemed_______hewouldcomehere.ItisknowntousallthattheyaregoodatEnglish.主语itthatthatthatthat基本句型结构常用词语Itis+名词+that从句Itis+形容词+that从句Itis+过去分词+that从句It+不及物动词+that从句Itisafact/ashame/apity/nowonder/goodnews/…that…Itisnecessary/strange/important/possible/likely/…that…这类主语从句中，谓语动词常为(should)+动词原形Itissaid/reported/decide/known/…that…Itseemed/happened/doesn’tmatter/hasturnedout/…that…1)Thattheywillcome______certain.2)Whathewants_____somewater.3)Whathewants_____thesebooks.isisare主语从句中的主谓一致:主语从句通常被看作一个整体,主句的谓语动词用_______形式.What引导主语从句时,主句谓语动词的单复数由__________________________决定.单数be动词后表语的单复数名词性从句1.主语从句2.宾语从句3.表语从句4.同位语从句宾语从句•一个句子在复合句中充当宾语就叫宾语从句。•e.g.Doyouknow_________heis?•I’mglad______youhavepassedtheexam.•Idon’tknow_________youarewillingtohelpme.•I’msorryfor_________Ihavesaid.•我为我说的话表示歉意。•宾语从句一般置于_______、_______、_______这三类词后。where（that）whether(if)what动词介词形容词(二)宾语从句2.that引导宾语从句时不充当任何成分，经常省略___________；但动词后有多个that引导的宾从，只有第一个that可省略。在insist_________________________________________等动词后，宾语从句常用___________。1)Itrulybelieve__________beautycomesfromwithin.2)Thecommanderorderedthatthesoldier___________(set)offatonce.advise,suggest,order,command,require,request(should)setthat（should）+V原形that•①Iconsider_____necessarythatwetakeplentyofboiledwatereveryday.•②Hemakes_____aruletogoforawalkbeforebreakfast.•③Ihatethatwhenpeoplelaughatthedisabled.(改错)•2.当动词find,_____________________________后有宾语补足语时，需要用_____作形式主语。•itititfeel,think,make,consider,believeitWethinkitimportantthatwelearnaforeignlanguage.Weconsideritourdutytocleanourclassroomeveryday.该句型中的it作形式宾语。为了记忆方便我们可称该句型为：6123结构6指主句中常用的动词：think,believe,make,find,consider,feel；1指的是形式宾语it；2指的是宾补的两种形式：形容词或名词；3指的是真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。名词性从句1.主语从句2.宾语从句3.表语从句4.同位语从句①Thisis________theRedArmylived.②Itseems________hehadmadesomeseriousmistakesinhiswork.wherethat表语从句一个句子在复合句中充当表语就叫表语从句.表语从句在连系动词后，组成：主语+系动词+表语从句。系动词分为be动词______________；感官动词_______________________；变化系动词_________________________________持续系动词______________________________；终止系动词______________________________；e.g.TheproblemisthatIamshortofmoney.Chinaisnolongerwhatsheusedtobe.Thequestionishowwecangetthere.Itlooksasifitisgoingtorain.看上去天要下雨了。am,is,arefeel，look，smell，sound，taste，seembecome，turn，growkeep,rest,remain,stay,lay,stand,keep，stay，prove,turnout①Itlooksasifit____goingtorain.②Itseems_________ifhedoesn’tknowtheanswer.③Shelooksasifshe_________tenyearsyounger.④Thethicksmogcoveredthewholecity.Itseemedasifagreatblanket_________________(throw)overit.2.表语从句有连接词asif\though，意为_________，引导表语从句常跟在系动词（如：_____________________________________）之后。若表语从句所述是非真实情况，从句用______语气；若所述的是事实或极可能发生的情况，从句用______语气。isaswerehadbeenthrown好像；仿佛seem;appear;look;state;sound,feelsmell陈述虚拟对现在虚拟时，that从句中谓语用过去时对过去虚拟时，用had＋过去分词对将来虚拟时，用would(might等)＋动词原形请你归纳3.表语从句特殊句式(because/why引导的表语从句)①Hewassenttothehospital.That’s_________hewasill.②Hewasill.That’s_________hewassenttothehospital.③Thereason_________hewassenttothehospitalwas_________hewasill.这/那是因为.......：这/那就是.......的原因：Thereasonwhy......is/wasthat.....becausewhywhythatThis/That/Itis/wasbecause+原因This/That/Itis/wasway+结果.....的原因是.....请你归纳注意1：连接词：that与what的区别①_______hesaidsomadeusangry.②_________hesaidmadeusangry.①Thatheneedstogetridofsmokingisyourhelp.()②Whatheneedstogetridofsmokingisyourhelp.()③Allthatheneedstogetridofsmokingisyourhelp.()what在从句中_______________________成分，意为：_______________，______省略。that在从句中________成分，只起连接作用，无实际意义，有时________省略。请你归纳ThatWhat作主、宾、表......的不可不作可以注意2：连接词：whether与if的区别①We’reworriedabout________heissafe.②Idon’tknow___________heiswellornot.③Heaskedme____________togoskating.④____________thisistrue,Ican’tsay.⑤Thequestionis___________hewillcome.)只用whether不用if的情况：①whether可引导___________从句，if只能引导_________从句、②______________________、③_______________________、④____________________请你归纳whetherwhether所有的名词性介词后宾语宾从提前时与ornot连用时whetherwhetherwhether四、检（高考链接）名词性从句的运用检•1)Sheaskedme_________Ihadreturnedthebookstothelibrary,andIadmittedthatIhadn’t.(2017.天津)•2)Everyyear,_________makesthemostbeautifulkitewillwinaprizeintheKiteFestival.(2017.北京).•3)_______weunderstandthingshasalottodowithwhatwefeel.(2015.北京).•4)Themostplea