高中英語(yǔ)選修六The power of nature語(yǔ)法現(xiàn)在分詞完成式課件

高中英語(yǔ)選修六Thepowerofnature語(yǔ)法現(xiàn)在分詞完成式課件匯報(bào)人：XX2024-01-13目錄CourseIntroductionBasicconceptsofpresentparticipleperfecttenseTheroleofpresentparticipleperfectinsentences目錄SpecialusageandprecautionsofpresentparticipleperfecttenseExercisequestionsandanalysisCourseSummaryandExtension01CourseIntroductionCultivatecross-culturalcommunicationskills:Guidestudentstounderstanddifferentculturalbackgroundsandwaysofthinking,andcultivatecross-culturalcommunicationawarenessandabilities.MasteringEnglishlanguageknowledge:Bystudyingthecontentofelectivecoursesix,studentscanfurtherconsolidateandexpandtheirEnglishlanguageknowledge,includingvocabulary,grammar,sentencestructures,andotheraspects.ImproveEnglishlistening,speaking,reading,andwritingabilities:Throughdiverseteachingactivitiesandexercises,enhancestudents'Englishlistening,speaking,readingcomprehension,andwritingabilities.ObjectivesofElectiveSixCoursesThemanifestationofnaturalforces:Introducevariouspowerfulforcesinnature,suchasearthquakes,volcaniceruptions,hurricanes,tsunamis,etc.,aswellastheirimpactonhumansocietyandthenaturalenvironment.Therelationshipbetweenhumansandnature:Exploringthemutualrelationshipbetweenhumansandnature,includinghumanunderstanding,utilization,andtransformationofnature,aswellastheimpactandreactionofnatureonhumans.Theimportanceofnatureconservation:Emphasizethesignificanceandvalueofnatureconservation,guidestudentstoestablishenvironmentalawareness,payattentiontoecologicalandenvironmentalissues,andactivelyparticipateinenvironmentalprotectionactions.ThePowerofNatureThemeOverviewFormThepresentparticipleperfectiscomposedof"having+pastparticiple",indicatingthatanactionoccursbeforeoratthesametimeasthepredicateaction.UsageandfunctionThepresentparticipleperfecttensecanserveasanadverbial,attributive,predicate,etc.inasentence,usedtoexpressrelationshipssuchastime,reason,condition,concession,etc.DifferencesfromothernonfiniteverbsThepresentparticipleperfectandinfinitiveperfect,gerundperfect,andothernonfiniteverbformshavedifferencesinusageandfunction,andneedtobedistinguished.Grammarfocus:Presentparticipleperfecttense02BasicconceptsofpresentparticipleperfecttenseDefinitionThepresentparticiplecompletiontenseindicatesthattheparticipleactionoccursbeforethepredicateaction,oremphasizestheresultorstateaftertheparticipleactioniscompleted.Structurehaving+pastparticiple,suchashavingfinished,havingbeenheld,etc.DefinitionandStructureDifferenceThepresentperfecttenseemphasizestheimpactorresultofanactiononthepresent,whilethepresentparticipleperfecttenseemphasizesthetemporalorderoftheparticipleactionandthepredicateaction.ContactBothindicatethattheactionoccurredinthepastandhasacertainimpactonthepresent.Butthepresentperfecttenseisapredicatetense,whilethepresentparticipleperfecttenseisanonpredicateform.ThedifferenceandconnectionwiththepresentperfecttenseExamplesentenceanalysis010203Havingfinishedhishomework,hewentouttoplay(Afterfinishinghishomework,hewentouttoplay.)Nothavingbeenholdingthetruth,shecouldnotunderstandwhatwashappening(Asshewasnottoldthetruth,shecouldn'tunderstandwhatwashappening.)Havingbeenillforaweek,shewastooweaktogotoschool(Duetobeingsickforaweek,sheistooweaktogotoschool.)03Theroleofpresentparticipleperfectinsentences要點(diǎn)三DefinitionWhenthepresentparticipleperfecttenseisusedasanattributive,itindicatesthattheactionofthenounbeingmodifiedhasbeencompletedorhasoccurred.要點(diǎn)一要點(diǎn)二UsageWhenusingthepresentperfectparticipleasanattributive,itisusuallyplacedbeforethenounbeingmodified,andcanbeseparatedfromthenounbeingmodifiedbyacomma.ForexampleThegirl,havingfinishedherhome,wentouttoplay(Afterfinishingherhomework,thegirlwentouttoplay.)要點(diǎn)三UsingattributivemodifierstomodifynounsDefinitionWhenthepresentperfectparticipleisusedasanadverbial,itcanindicatetime,condition,reason,etc.,usuallyplacedatthebeginningorendofasentence.UsageWhenusingthepresentperfectparticipleasanadverbial,thelogicalsubjectneedstobedeterminedbasedonthecontext,usuallyconsistentwiththesubjectofthesentence.ForexampleHavingeatendinner,wewentforawalk(Afterdinner,wewentforawalk.)Useadverbialtoindicatetime,condition,etc010203DefinitionWhenusingthepresentparticipleperfectasacomplement,itisusedtosupplementandexplainacertaincomponentinasentence,makingthemeaningofthesentencemorecomplete.UsageWhenusingthepresentparticipleperfectasacomplement,itisusuallyplacedaftertheelementbeingsupplementedandseparatedbyacommafromtheelementbeingsupplemented.ForexampleIfoundthebook,havingbeenreadbysomeone(Ifoundthatthisbookhasalreadybeenreadbysomeone.)Providesupplementaryexplanationswithcomplementarylanguage04SpecialusageandprecautionsofpresentparticipleperfecttenseTheconceptofindependentnominativestructure:Anindependentnominativestructureisanindependentcomponentcomposedofanounorpronounthatisequivalenttoasubject,followedbyanonfiniteverb,adjective(adverb),orprepositionalphrase.Theuseofpresentparticipleperfectinindependentnominativestructures:Whentheverbintheindependentnominativestructureformsanactiverelationshipwiththesubjectofthemainsentenceandtheactionoccursbeforetheactionofthesubjectpredicate,thepresentparticipleperfectcanbeused,suchas"Havingfinishedhishomework,hewenttobed."ApplicationinindependentnominativestructureTheconceptofellipsis:EllipsisisasentenceinEnglishthatomitscertaincomponentsinordertoavoidrepetition,highlightthemaininformation,ormakethesentencemorecompact.Theuseofpresentparticipleperfectinomittedsentences:Whentheverbintheomittedsentenceformsanactiverelationshipwiththesubjectofthemainsentenceandtheactionoccursbeforetheactionofthesubjectpredicate,thepresentparticipleperfectcanbeusedforomission.Forexample,"Havingfinishedhishome,hewettobed."canbeomittedas"Havingfinished,hewettobed."TipsforusingomittedsentencesAvoidingambiguityandmisuseThegenerationandavoidanceofambiguity:Thepresentperfectparticiplecansometimescreateambiguity,suchas"Havingfinishedhishome,hewenttobedandsleepsoundly."Thissentencemaybemisunderstoodas"Hewenttobedandsleptsoundlyafterfinishinghishomework."Toavoidthisambiguity,otherexpressionscanbeused,suchas"Afterfinishinghishome,hewenttobedandsleepsoundly."CommonMisuseandCorrectionMethods:Misuseofthepresentperfectparticipleoftenoccurswhenthereisaninaccurateunderstandingofsentencestructureandtense.Forexample,thesentence"Havingfinishedhishomeyesterday,hewenttobedearly."isincorrectbecauseyesterdaydoesnotmatchthepresentparticipleperfecttense.Thecorrectexpressionshouldbe"Afterhavingfinishedhishomeyesterday,hewenttobedearly."or"Havingfinishedhishomethedaybefore,hewenttobedearly."05ExercisequestionsandanalysisMultiplechoicequestionsQuestiontypeToteststudents'understandingandapplicationabilityofthepresentparticipleperfecttensethroughmultiple-choicequestions.TrainingobjectiveMultipleChoiceQuestionSpecializedTrainingExampleQuestionHeisofheart___InthenextroomA.TosingB.singC.sunD.tohavesunAnswerandAnalysis:D.Accordingtothesentencemeaning"heisoftenheardsinginginthenextroom",itcanbeinferredthatwhen"hear"isfollowedbyaninfinitivewithout"to"asanobjectcomplement,andwhenitbecomespassivevoice,"to"shouldbeadded,thatis,"beheardtodosth."Theactionof"singing"occursbefore"beingheard",andtheinfinitiveperfectform,"tohavesun",shouldbeused.MultipleChoiceQuestionSpecializedTrainingQuestiontypeFillintheblankquestionTrainingobjectiveToenablestudentstomastertheusageofpresentparticiplecompletioninpracticethroughfillintheblankexercises.PracticalexercisesforfillintheblankquestionsExampleQuestion___(finish)herhomework,thegirlBegantowatchTVAnswerandanalysis:Havingfinished.Accordingtothesentencemeaning"Aftercompletingherhomework,thegirlstartedwatchingTV",itcanbeinferredthat"completinghomework"occurredbefore"watchingTV",andtheperfecttenseofthepresentparticipleshouldbeusedasanadverbial,thatis,havingfinished.PracticalexercisesforfillintheblankquestionsReviewobjective:Byreviewingincorrectquestions,identifytheweakpointsofstudentsandprovidetargetedreinforcementtraining.ReviewandsummaryofincorrectquestionsSummarycontentWrongknowledgepoint:Thecompositionandusageofthepresentparticipleperfecttense.Problemsolvingskills:Whensolvingproblems,attentionshouldbepaidtoanalyzingthesentencestructure,determiningtheorderofactions,andthecomponentsandfunctionsofthepresentparticipleperfectinthesentence.Atthesametime,attentionshouldalsobepaidtodistinguishingbetweenthepresentperfectparticipleandthepastparticipletoavoidconfusion.Reviewandsummaryofincorrectquestions06CourseSummaryandExtensionReviewofkeyknowledgepointsThepresentparticipleperfectformiscomposedofhavingandpastparticiples,indicatingthattheparticipleactionoccursbeforethepredicateaction.Theusageofthepresentparticipleperfect:itcanserveasanadverbial,attributive,andobjectcomplementinasentence.Thedifferencebetweenthepresentparticipleandthepresentparticipleisthatthepresentparticipleindicatesthatitoccurssimultaneouslywiththepredicateactionorthattheparticipleactionoccursafterthepredicateaction,whilethepresentparticipleco