高一英语名词性从句课件

名词性从句,名词性从句,1什么是名词性从句？从句在复合句中起名词性作用，称为名词性从句。2名词性从句的分类：主语从句，表语从句，宾语从句及同位语从句。,主语从句,that引导的主语从句Thataround-triptoMarswouldtakemorethanayearandahalfisestimated.Thathemisunderstoodmeisobvious.wh-引导的主语从句Howtheprisonerescapedisamystery.Whatheneedsismoreexperience.Whowillbeournewdirectorhasntbeendecided.Whethershewouldplaythepartisstilldoubtful.,用形式主语it来引导句子1大多数主语从句都可以用it作形式主语，把从句置于句尾。但是，当what作为引导词表示“-的东西”时，一般不用it作形式主语。Whatever,whoever,whichever一般也不用it作形式主语。Itisstrangethathemadenoanswer.Ithasnotbeendecidedyetwhethershewillgobybusorbytrain.Itisnotveryclearwhattheyaretalkingabout.,2用it作形式主语的主语从句结构,S.+n.+C.Itisapitythat-Itisanhonorthat-Itiscommonknowledgethat-S.+adj.+C.Itisnaturalthat-Itisobviousthat-Itisfortunatethat-,2用it作形式主语的主语从句结构,S.+vi.+C.Itseemsthat-Ithappenedthat-Itturnedoutthat-S.+p.p.+C.Itissaidthat-Itisreportedthat-ItisnotknownthatItistobediscussedthat-,Exercises_allbehaviorislearnedisabasicassumptionofsocialscientists.AItisnearlyBNearlyCThatnearlyDAsItisduringhissparetime_Andersonhasbeenstudyingacourseinhistory.AwhenBthatCwhichDwhat,Itisnotyourfault_thishashappened.AwhatBwhereCifDthat_makesmistakesmustcorrectthem.AWhoBWhoeverCHeDAnyone_iswherehegetsallhismoneyfrom.AWhatIcannotunderstanditBThatIcannotunderstanditCWhatIcantunderstandDWhichIcantunderstandit,_somemammalscametoliveintheseaisnotknown.AThatBWhatCHowDSince_thatnotallgovernmentofficialsarehonest.AItseemstomeBInmyopinion,IbelieveCMybelievingisDIthinkinmymind_isofnoconcerntous.AItrainsornotBIfitrainsornotCWhetheritrainsornotDWillitrainornot,表语从句,that引导的表语从句Thefactisthathedidntnoticethecartilltoolate.Oneadvantageoflivinginthecountryisthatonecangetclosetonature.Whatsurprisedmemostwasthatallthepupilswereunusuallyquiet.wh-疑问词引导的表语从句Theproblemishowscientistscankeepintouchwiththediversunderthesea.Thiswaswhytheycomplainedabouttheassignments.,Exercises:1.ThereasonIdidntgotoschoolthatdaywas_ill.AduetoBthatIfellCbecauseoffallingDbecauseIfell2.Hisfirstquestionwas_TomhadarrivedyetAifBthatCwhetherDwhat,3._surprisedmewas_hecouldntspeakEnglish.AThat/thatBWhat/whatCWho/thatDWhat/that4.Readingistothemind_foodistothebody.AwhatBthatCwhichDwhere,同位语从句,同位语从句是与先行词同位或同等的从句。先行词常为名词如news,fact,truth,conclusion,hope,decision,belief,opinion,belief,view,feeling,suggestion,proposal,etc.)that引导的同位语从句Thefactthathishealthisfailingisnottrue.Idoubtthereportthattheshipsankonitsfirstvoyage.wh-引导的同位语从句Ihavenoideahowsoontheyarecoming.Haveyouanyideawheretheyarehavingarehearsal?,ExercisesScientistshavereachedtheconclusion_thetemperatureontheearthisgettinghigherandhigher.AwhenBwhichCthatDbutTheywerefacedwiththeproblem_continuethework.AiftheyshouldBwhethershouldtheyCthattheyshouldDwhethertheyshould,Thefact_hehasbeentocollegeisnosign_heiscultured.Awhich/thatBthat/thatCthat/whichDwhich/thatThatsthebestfilm_Ihaveeverseen.AwhichBwhoCthatDwhom,宾语从句,that引导的宾语从句（that可省略）Ihopethatyouwillenjoyyourstayhere.Weallagreedthatitwouldbeamistakenottotakehisadvice.(suggest,demand,insist,order,etc),宾语从句,wh-引导的宾语从句SheaskedwhatsecondlanguageIwasstudyingthen.Iwonderwhether/ifthereisanyneedtospendsomuchmoneyontheparty.Shewillwriteabookonhowyoungmothersshouldraisetheirbabies.IknownothingaboutthemanexceptthatheisanIndian.Criticismisnecessaryinthatithelpstocorrectourmistakes.,ExercisesWeconsider_theinstrumentshouldbeadjustedeachtimeitisused.AthatitnecessaryBnecessarythatCitnecessarythatDnecessaryofitthatYouwillseeto_theenginedoesnotgetoutoforder.AthatBhoweverCitthatDwhichTheybelievedthatlanddidnotbelongtopeoplebut_peoplebelongtoland.AthatBwhenCwhereDhow,Iamdoubtful_heisstillalive.AthatBwhetherCwhatDwhenI