高二英语课件选修复习名词性从句

高二英语课件选修复习名词性从句汇报人：XX2024-01-11OverviewofnounclausessubjectclauseObjectclausePredicativeClauseAppositiveclauseTheproblem-solvingtechniquesfornounclausesOverviewofnounclauses01DefinitionAnounclauseisasentenceusedasanoun,servingasasubject,object,predicate,orappositiveinthesentence.ClassificationAccordingtotheirdifferentrolesinasentence,nounclausescanbedividedintofourtypes:subjectclauses,objectclauses,predicateclauses,andappositiveclauses.DefinitionandclassificationNounclausesareusuallyguidedbyconjunctionssuchas"that","what","if",etc.,andconjunctionsdonotserveascomponentsinclauses.GuidingwordsAnounclauseitselfisacompletesentencewithasubjectandpredicate,capableofexpressingcompletemeaning.SentencestructureNounclausesgenerallyadoptdeclarativewordorder,wherethesubjectcomesfirstandthepredicatecomeslast.WordorderStructuralcharacteristicsDescriptivefunction01Anounclausecandescribeorexplainanouninthemainsentence,makingthesentencemorespecificandvivid.Substitutionfunction02Anounclausecanreplaceanouninthemainsentence,avoidingrepetitionandmakingthesentencemoreconciseandclear.Connectivefunction03Nounclausescanserveasabridgebetweentwosentences,makingthelogicalrelationshipbetweensentencescloser.semanticfunctionsubjectclause02Asubjectclauseisacompletesentencethatservesasthesubject,usuallyplacedatthebeginningofthesentence.DefinitionThesubjectclauseisgenerallylocatedbeforethepredicateverb,andifitisaquestionorinvertedsentence,itmaybeattheendofthesentenceorotherpositions.PositionDefinitionandlocationGuidewordselectionThatguidance:Thatdoesnotserveasanycomponentinthesubjectclause,onlyservesasaguidingfunctionandcanusuallybeomitted."Which/if"and"if"indicate"yes"inthesubjectclauseanddonotserveasanycomponentsandcannotbeomitted.Conjunctivepronounguidance:Conjunctivepronounssuchas"what","who","who","who","which",etc.serveascomponentsinthesubjectclauseandcannotbeomitted.Conjunctiveadverbguidance:Conjunctiveadverbssuchaswhen,where,how,why,etc.serveascomponentsinthesubjectclauseandcannotbeomitted.Thetenseofthesubjectclauseisusuallyconsistentwiththetenseofthemainclause.Ifthemainclauseisinthesimplepresentorfuturetense,thesubjectclausecanuseanytense;Ifthemainclauseisinthesimplepasttense,thesubjectclauseusuallyusesapasttense.TenseThevoiceofthesubjectclausecanbeintheactiveorpassivevoice,dependingonthemeaningandexpressionofthesentence.Ifyouneedtoemphasizetheexecutororreceiverofanaction,youcanchoosethecorrespondingvoice.VoiceTenseandvoiceObjectclause03DefinitionAnobjectclauseisacompletesentencethatservesastheobject,usuallyplacedafteraverb,preposition,oradjective.LocationTheobjectclausecanbelocatedbetweenthesubjectandpredicateofthemainclause,orafterthepredicateofthemainclause.DefinitionandlocationThedeclarativeclausebecomesanobjectclause:Use"that"asaguide."That"hasnomeaninganddoesnotserveasasentenceelement.Itisoftenomittedinspokenlanguage.Specialinterrogativesentenceswithobjectclauses:Useinterrogativewordstoguide,suchaswhat,which,how,etc.Ageneralinterrogativesentencecanbetransformedintoanobjectclause:using"if"or"what"toguide,meaning"whetherornot".GuidewordselectionVSThemainsentenceisinthesimplepresenttense,andthesubordinateclausecanbeinanytense;Themainclauseisinthepasttense,andthesubordinateclauseusesapasttense.Subjunctivemoodexpressesasituationthatisoppositetothepresentfact,usingthesimplepasttenseasasubordinateclause;Expressasituationthatiscontrarytopastfacts,andusethepastperfecttenseinthesubordinateclause.TenseresponseTenseCorrespondenceandSubjunctiveMoodPredicativeClause04Apredicateclauseisaclausethatservesasapredicateinasentence,usedtoexplainthenature,characteristics,orstateofthesubject.Therelativeclauseisusuallylocatedafterthelinkingverb,formingthemainlinkingstructure.DefinitionPositionDefinitionandlocationConjunctivepronounswhat,which,who,who,who,who,etc.Conjunctiveadverbswhen,where,how,why,etc.Conjunctionsthat,what,asif,etc.GuidewordselectionTheverbtenseinapredicateclauseisusuallyconsistentwiththemainclause.Forexample,ifthemainclauseisinthesimplepresenttense,thepredicateclausecanalsousethesimplepresenttense.TenseCorrespondenceInsentencesexpressingthemoodofsuggestion,command,request,etc.,thepredicateclauseneedstousethesubjunctivemood.Forexample,whenthesubjectisasuggestionorcommand,theverbformofthepredicateclauseshouldbe"(should)+verbbaseform".SubjunctivemoodTenseCorrespondenceandSubjunctiveMoodAppositiveclause05DefinitionAnappositiveclauseisaclausethatexplainsorsupplementstheprecedingnounandisinthesamepositionastheantecedent.PositionAnappositiveclauseisusuallyplacedimmediatelyafterthenounitmodifies,butsometimesitcanalsobeplacedatthebeginningorendofthesentencetomaintainsentencebalanceoravoidbeingtooheavy.DefinitionandlocationGuidewordselectionAdjectiveclausesareusuallyguidedbyconjunctions,suchas"that","what",etc.Amongthem,"that"doesnotserveasanycomponentinthesubordinateclauseandonlyservesasaconnectingfunction;"Which"isusedasanelementinasubordinateclause,indicating"whetherornot".ConjunctionsSometimesconjunctionscanalsobeusedtoguideappositiveclauses,suchaswhen,where,how,etc.Theseconjunctionsserveascomponentsinclauses,indicatingtime,place,ormanner,etc.ConjunctionsThedifferencebetweenrelativeclausesandrelativeclausesSentencestructure:Anappositiveclauseisacompletesentencethatservesasacomponentofanothersentence,whileanattributiveclauseisasentencethatmodifiesanounorpronouninanothersentence.Thefunctionofaguideword:Theguidewordofanappositiveclausedoesnotserveasanycomponentintheclause,whiletheguidewordofanattributiveclauseservesasacomponentintheclause,suchasasubject,object,orpredicate.Choiceofantecedents:Theantecedentsofappositiveclausesareusuallyabstractnouns,suchasfact,idea,news,etc;Theantecedentofanattributiveclausecanbeanynounorpronoun.Omittingsituation:"that"inappositiveclausescannotbeomitted,while"that"inattributiveclausescanbeomittedinspecificsituations.Theproblem-solvingtechniquesfornounclauses06Subjectclause:Locatedatthebeginningofasentence,usuallyguidedbyanintroductoryword,suchas"Whathesaidistrue."Adjectiveclause:Locatedafterthelinkingverb,itindicatesthenature,characteristics,orstateofthesubject,suchas"Theproblemiswhenwecanstart."ThenewsthathewonthegameisexcitingObjectclause:locatedafteraverb,preposition,oradjective,astheobject,suchas"Idon'tknowwhatheisdoing."IdentifyingsentencestructureSpecialinterrogativesentenceguidewords:Whclasswords(what/which/who/who/who/who/when/where/why/how),withmeanings,serveassentencecomponents.Theintroductorywordforadeclarativesentenceis"that",whichhasnomeaninganddoesnotserveasasentenceelement.Itcansometimesbeomitted.Theguidewordforageneralinterrogativesentenceiseither/if,whichmeans"yes"anddoesnotserveas