初三时态复习（一）中学英语语法复习之时态和语态

TenseandVoiceReviewinMiddleSchoolEnglishGrCATALOGUE目录OverviewofTenseVerbtensepassivevoiceThemixeduseoftenses01OverviewofTenseTensereferstothetimewhenanactionoreventoccurs,anditisexpressedbydifferentformsofverbs.InEnglishgrammar,tenseisdividedintothreecategories:past,present,andfuture.Thetenseisusedtoexpressthetimerelationshipbetweentheactionoreventandthetimeofspeakingorwriting.DefinitionofTenseFuturetenseItexpressesanactionoreventthatwilloccurinthefuture,suchas"Iwilleatanappletomorrow."SimpletenseItexpressesthebasictimeofanactionorevent,suchas"Ieatanappleeveryday."ProgressivetenseItexpressesanactionoreventthatisongoingorinprogress,suchas"Iameatinganapplenow."PerfecttenseItexpressesanactionoreventthathasbeencompletedinthepast,suchas"Ihaveeatenanapplealready."ClassificationoftensesPresentsimpletense:"Ieat"Pastsimpletense:"Iate"Futuresimpletense:"Iwilleat"ThecompositionoftensesPresentcontinuoustense:"Iameating"Pastcontinuoustense:"Iwaseating"Futurecontinuoustense:"Iwillbeeating"ThecompositionoftensesPresentperfecttense:"Ihaveeaten"Pastperfecttense:"Ihadeaten"Futureperfecttense:"Iwillhaveeaten"Thecompositionoftenses02Verbtense表示现在的动作或状态。定义Ieatanappleeveryday.例句描述日常习惯、描述事实、描述现在的状态。用法Presenttense例句Shewalkedtotheparkyesterday.用法描述过去发生的动作、描述过去的状态、描述过去的经历。定义表示过去发生的动作或状态。Pasttense表示将来要发生的动作或状态。定义例句用法Theywillvisittheirgrandparentsnextweek.描述计划中的动作、描述预测、描述将来可能发生的情况。030201Futuretense03passivevoiceThepassivevoiceisformedbycombiningthepresentparticipleoftheverb"tobe"withthepastparticipleofthemainverb.Thesubjectofthepassivevoiceisalwaysthereceiveroftheaction,andtheactionisdescribedasbeingdonetothesubject.Thesubjectofthepassivevoicecanbeeithersingularorplural,dependingonthecontext.TheCompositionofPassiveVoiceItisoftenusedwhentheactorisunknown,unimportant,orirrelevanttothecontext.Thepassivevoicecanalsobeusedtosoftenthetoneofasentenceortomakeitmoreobjective.Thepassivevoiceisusedwhenthefocusisontheactionratherthanontheactor.TheUsageofPassiveVoiceWhenusingthepassivevoice,itisimportanttoensurethatthesubjectofthesentenceisclearandthattheactiondescribedisaccurate.Thepassivevoiceshouldnotbeoverused,asitcanmakethetextsoundunnaturalandformal.Itisimportanttochoosetheappropriatetenseandvoiceforeachsituation,consideringthecontextandpurposeofthetext.Notesonpassivevoice04ThemixeduseoftensesUsethepresenttensewhenreferringtogeneraltruthsorhabits.Usethepasttensewhenreferringtoactionsoreventsthathavealreadyoccurred.Usethefuturetensewhenreferringtoactionsoreventsthathavenotyetoccurred.Therulesfortransitioningtenses"IwillgototheparktomorrowandIwillbringmydog."(Futuretenseandpresenttensemixed)"Theywereplayinginthegardenwhentheirmothercamehome."(Pastparticipleandpasttensemixed)"Shehasfinishedherhomeworkandsheisplayingoutsidenow."(Presentperfectandpresenttensemixed)ExamplesofmixeduseoftensesNotesontheuseofmixedtensesMixedtensescanbeusedtocreateaspecificcontextoremphasis,bu