英語動詞時態(tài)課件

EnglishverbtensePowerPointcourseware目錄introductionOverviewofEnglishverbtensesPresenttense目錄PasttensefuturetenseNonfiniteverbtensePracticeandconsolidation01introductionThisPowerPointcoursewareisdesignedtohelplearnersunderstandandmastertheusageofEnglishverbtenses.ItprovidesacomprehensiveoverviewofthedifferenttensesusedinEnglish,includingpresent,past,future,andconditionaltenses.Thecoursewareisdividedintomultipleslides,eachfocusingonaspecificaspectofverbtenseusage.Itincludesexamples,explanations,andexercisestohelplearnersunderstandandapplytheknowledgetheyhavegained.CourseIntroductionLearnerswillbeabletoidentifyandusetheappropriateEnglishverbtenseindifferentcontexts.Learnerswillalsobeabletoanalyzecomplexsentencesandidentifytheappropriateverbtenseinthem.Theywillunderstandthedifferencesbetweenthevarioustensesandwhentouseeachone.Finally,learnerswillgaintheconfidencetospeakandwriteinEnglishwithproperverbtenseusage.Learningobjectives02OverviewofEnglishverbtensesTensereferstothetimeofaneventoractioninthepast,present,orfuture.ItisacrucialpartofEnglishgrammarandisusedtoconveythetemporalrelationshipsbetweendifferentevents.Thetenseofaverbindicateswhethertheactionoreventoccurredinthepast,ishappeninginthepresent,orwilloccurinthefuture.Italsoshowsthesequentialorderofevents.DefinitionofTenseSimpletenseThistenseisusedtoexpressanactionoreventthatoccursataspecificmomentintime,suchas"Ieatanappleeveryday."ContinuoustenseThistenseisusedtoexpressanactionoreventthatextendsoveraperiodoftime,suchas"HehasbeenstudyingEnglishforthreeyears."PerfecttenseThistenseisusedtoshowanactionoreventthathasalreadyoccurredpriortoanotheractionorevent,suchas"Shehasfinishedherhomeworkbeforedinner."ThetypesoftensesTenseisusedtocreateanarrativeflowandcoherenceinwritingandspeech.Ithelpsthereaderorlistenerunderstandthetemporalrelationshipsbetweendifferenteventsandactions.Properusageoftenseisessentialforclearandaccuratecommunication.Itensuresthatthemessageisconveyedintheintendedtimeframeandavoidsconfusionormisinterpretation.TheUsageofTense03Presenttense表示正在進行的動作或狀態(tài)。定義例句結(jié)構(gòu)IamstudyingEnglish.(我正在學習英語。)主語+be動詞+-ing形式+其他成分。030201Presentcontinuoustense

Presentperfecttense定義表示已經(jīng)完成的動作或狀態(tài)，強調(diào)與現(xiàn)在的關系。例句IhavestudiedEnglishforthreeyears.(我已經(jīng)學了三年的英語。)結(jié)構(gòu)主語+have/has+過去分詞+其他成分。例句IhavebeenstudyingEnglishsincelastyear.(我從去年開始一直在學習英語。)定義表示從過去某個時間點開始一直持續(xù)到現(xiàn)在的動作或狀態(tài)，強調(diào)現(xiàn)在還在進行中。結(jié)構(gòu)主語+have/has+been+-ing形式+其他成分。presentperfectcontinuoustense04Pasttense表示過去某個時間正在進行的動作Thepastcontinuoustenseisusedtoshowanactionthatwasongoinginthepast.Itisformedbyusingthe助動詞"was"or"were"withthe-ingformoftheverb.Forexample,"HewasreadingabookwhenIcalledhim."PasttensePastcontinuoustenseVS表示過去的某個動作已經(jīng)完成Thepastperfecttenseisusedtoshowanactionthathadbeencompletedinthepast.Itisformedbyusingthe助動詞"had"withthepastparticipleoftheverb.Forexample,"Ihadfinishedmyhomeworkbeforedinner."PasttensePastcontinuoustense表示過去某個動作在另一個過去動作之前已經(jīng)開始，并且一直持續(xù)到那個動作發(fā)生Thepastperfectcontinuoustenseisusedtoshowanactionthathadbeenongoingforsometimebeforeanotherpastactiontookplace.Itisformedbyusingthe助動詞"hadbeen"withthe-ingformoftheverb.Forexample,"Wehadbeenwaitingforhourswhenhefinallyarrived."PasttensePastcontinuoustense05futuretense用法強調(diào)未來某個時間點正在進行的活動，常與表示將來的時間狀語連用，如nextyear、tomorrow等。定義表示將來某個時間正在進行的動作。結(jié)構(gòu)willbe+-ing。例句IwillbestudyingEnglishnextyear。FuturecontinuoustenseABCD定義表示將來某個時間已經(jīng)完成的動作。例句Iwillhavefinishedmyhomeworkbytheendofnextmonth。用法強調(diào)未來某個時間點之前已經(jīng)完成的活動，常與表示將來的時間狀語連用，如bytheendof、before等。結(jié)構(gòu)willhave+-ed。Futureperfect輸入標題結(jié)構(gòu)定義Futureperfectprogressive表示將來某個時間正在進行的動作已經(jīng)完成。強調(diào)未來某個時間點之前已經(jīng)開始并已完成的動作，常與表示將來的時間狀語連用，如bytheendof、before等。WewillhavebeenstudyingEnglishforthreeyearsbynextsummer。willhavebeen+-ing。用法例句06NonfiniteverbtenseSummary:Thepresentparticipletenseisusedtoshowactionshappeningatthesametimeasthemainverb,oractionsthatareongoing.DescriptionUsedwiththe-ingformoftheverb,e.g.,"Running,hefell."Canbeusedasasubject,object,orcomplement,e.g.,"Smiling,shegreetedhim."Canshowsimultaneitywiththemainverb,e.g.,"Walkingalongthebeach,shefoundashell."0102030405PresentparticipletenseSummary:Thepastparticipletenseisusedtoshowanactionthathasbeencompletedbeforetheactionofthemainverb.DescriptionUsesthe-edor-enformoftheverb,e.g.,"Seenfromabove,thecitylookedbeautiful."Canbeusedinpassivevoiceconstructions,e.g.,"Thehousewasbuiltin1920."Canshowtemporalorconditionalrelationshipswiththemainverb,e.g.,"Havingfinishedhiswork,hewenthome."PastparticipletenseSummary:Thegerundtenseisaverbalformthatfunctionsasanoun,typicallyshowingactionsasthesubjectorobjectofasentence.DescriptionUsesthe-ingformoftheverbbutwithoutthe-ingsuffix,e.g.,"Swimmingismyfavoriteexercise."Canbeusedasasubjectorobject,e.g.,"Ienjoyreadingbooks."Canshowpurposeorresultwiththemainverb,e.g.,"Hestoppedwritingtofocusonhisstudies."0102030405Gerundtense07PracticeandconsolidationMultipleChoiceQuestionsThesequestionspresentasentencewithamissingverbandasetofoptionsforthecorrecttense.Thestudentmustchoosetheoptionthatbestcompletesthesentence,consideringthecontextandtheinformationprovided.DetailThistypeofquestionhelpsstudentsidentifythecorrectverbtensebycomparingdifferentoptions.Itchallengestheirunderstandingofwhentouseeachtenseandimprovestheirdecision-makingskills.MultipleChoiceQuestionsCompletionThistaskrequiresstudentstofillintheblankwiththecorrectformoftheverb.Itteststheirabilitytocorrectlyconjugat