英语语法基础-第1讲(动词时态)课件

FundamentalsofEnglishGrammar-Lesson1(VerbalTense)introductionOverviewofverbtensesPresenttensePasttensefuturetenseComprehensiveexercisesSummaryandReviewcontents目录01introduction

CourseIntroductionThiscourseisdesignedtointroducestudentstothefundamentalrulesandprinciplesofEnglishgrammar.ItaimstoprovideasolidfoundationforeffectivecommunicationinEnglish.Thecoursewillcovervariousaspectsofgrammar,includingsentencestructure,partsofspeech,andtenseusage.TofamiliarizestudentswiththedifferenttensesusedinEnglish.Todemonstratehowtocorrectlyusethetensesincontext.Toexplainthefunctionsandmeaningsofeachtense.Toimprovestudents'abilitytounderstandandproducegrammaticallycorrectEnglishsentences.Courseobjectives02OverviewofverbtensesTensereferstothetimeatwhichanactiontakesplaceorastateexists.Itindicateswhethertheactionoccurredinthepast,present,orfuture.InEnglish,tenseisindicatedbytheuseofdifferentendingsorauxiliaryverbswiththemainverb.DefinitionofTenseUsedtodescribeactionsorstatesthatarehappeningnoworthatgenerallyoccur.PresentTensePastTenseFutureTenseUsedtodescribeactionsorstatesthatoccurredinthepast.Usedtodescribeactionsorstatesthatwilloccurinthefuture.030201ThetypesoftensesWeusethepresenttensetotalkaboutthingsthatarehappeningnow,suchas"Ieatanappleeveryday."PresentTenseWeusethepasttensetotalkaboutthingsthathappenedinthepast,suchas"Yesterday,Iateanapple."PastTenseWeusethefuturetensetotalkaboutthingsthatwillhappeninthefuture,suchas"Nextweek,Iwilleatanapple."FutureTenseTheUsageofTense03PresenttenseSummary:Thepresentcontinuoustenseisusedtoexpressanactionthatisongoingortemporaryinthepresentmoment.PresentcontinuoustenseDescriptionItisusedtodescribeactionsthatarehappeningatthesametimeastheutterance,oractionsthatareplannedforthefuturebutarenotyetcompleted.Example:"IamstudyingEnglishgrammar."Thepresentcontinuoustenseisformedbycombiningthepresenttenseoftheverb"tobe"(am/is/are)withthe-ingformofthemainverb.PresentcontinuoustenseSummary:Thepresentperfecttenseisusedtoexpressanactionthathasbeencompletedinthepast,butitseffectisstillrelevantinthepresentmoment.Presentperfecttense输入标题02010403PresentperfecttenseDescriptionExample:"IhavestudiedEnglishgrammar."Itisusedtodescribeactionsthathavebeencompletedatsomepointinthepast,andtheirconsequencesarestillrelevantinthepresent.Thepresentperfecttenseisformedbycombiningthepresenttenseoftheverb"tohave"withthepastparticipleofthemainverb.Summary:Thepresentsimpletenseisusedtoexpressanactionthatishabitual,generic,ornotfocusedonspecifictime.DescriptionThepresentsimpletenseisthebasicformoftheverb,withoutanyauxiliaryverbsor-ingform.Itisusedtoexpressactionsthatarehabitualortypical,orwhenthespecifictimeoftheactionisnotimportant.Example:"IstudyEnglishgrammareveryday."0102030405Presentsimpletense04Pasttense表示过去某个时间正在进行的动作或状态。定义Iwasreadingabookwhenmyfriendcalled.例句Pastcontinuoustense表示过去某个时间之前已经完成的动作或状态。Ihadfinishedmyhomeworkbeforedinner.Pastperfecttense例句定义定义表示过去某个时间发生的动作或状态，是最基本的过去时态。例句Sheleftthepartyatmidnight.Pastsimpletense05futuretenseExample"IwillbestudyingEnglishnextyear."SummaryThefuturecontinuoustenseisusedtoexpressanactionthatwillbeinprogressatafuturetime.OtherusesItcanalsobeusedtoshowanactionthatwillbehappeningregularlyinthefuture,e.g.,"Wewillbemeetingeveryweek."FuturecontinuoustenseThefutureperfecttenseisusedtoexpressanactionthatwillhavebeencompletedbyafuturetime.Summary"Bytheendofnextyear,Iwillhavefinishedmystudies."ExampleItcanalsobeusedtoshowanactionthatwillhavehappenedregularlybyafuturetime,e.g.,"Bytheendoftheyear,wewillhavemeteverymonth."OtherusesFutureperfectSummary01Thefuturesimpletenseisusedtoexpressanactionthatwillhappeninthefuture.Example02"Iwillgotothepartynextweek."Otheruses03Itcanalsobeusedtoshowanactionthatwillhappenforthefirsttimeinthefuture,e.g.,"Nextyear,Iwilltravelabroadforthefirsttime."Futuresimpletense06ComprehensiveexercisesThesearequestionswherelearnersmustchoosethecorrectoptionfromagivenlistofchoices.Forexample:"Whichtenseisusedinthefollowingsentence:'I_____myhomeworklastnight'?Options:a)finish,b)finished,c)willfinish,d)havefinished."MultipleChoiceQuestionsb)finishedAnswersMultipleChoiceQuestionsCompletionThistypeofexerciseinvolvesprovidingthecorrectformofaverbthatcompletesasentenceorphrase.Forinstance:"Completethesentence:'I_____myhomeworkat10pm.'"Answer:"Ifinishedmyhomeworkat10pm."Answers"Ifinishedmyhomeworkat10pm."CompletionTranslationquestionThistypeofquestionrequireslearnerstotranslateasentenceorpassagefromEnglishtotheirnativelanguageorviceversa.Forinstance:"TranslatethefollowingsentencefromEnglishtoSpanish:'Iwillfinishmyhomeworktomorrow.'"Answer:"Yoterminarémitareamañana."Translationquestion"Yoterminarémitareamañana."Answers07SummaryandReviewVerbaltensePresent,Past,Future,Perfect,Continuous,andPassivevoice.要点一要点二ImportanceofunderstandingtenseusageClearcommunication,avoidingconfusion,andwriting/speakinginaprofessionalmanner.KeyreviewofthislectureSimplepasttenseUsedtoexpressanactionthatoccurredinthepast.FuturetenseUsedtoexpressanactionthatwilloccurinthefuture.SimplepresenttenseUsedtoexpressanactionthatoccursregularlyorhabitually.Keyreviewofthislecture03PassivevoiceUsedtoshiftfocusfromthesubjecttotheobjectorwhenthesubjectisunknownorunimportant.01Perfectten