该【英语时态讲解讲义 】是由【sanyuedoc2018】上传分享,文档一共【23】页,该文档可以免费在线阅读,需要了解更多关于【英语时态讲解讲义 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。LectureNotesonEnglishTenseExplanationCATALOGUE目录IntroductiontoEnglishTensePresenttensePasttenseFuturetenseSpecialusageoftensions01IntroductiontoEnglishTenseTenseistheexpressionoftimeinasenseItindicateswhentheactionoreventtakesplaceTherearethreemaintensionsinEnglish:past,present,andfutureEachtensehasacorrespondingparticleform(pastparticle,presentparticle,futureparticle)andagerundform(presentgerund,pastgerund)DefinitionofTenseThebasicformofaverb,indicatingthetimeoftheactionoreventSimpletenseUsedtoshowanactionoreventthatisongingorcontinuousContinuoustensepletedinthepastPerfecttenseUsedtoshowanactionoreventthatwilltakeplaceinthefutureFuturetenseThetypesoftensionsPresenttenseUsedtodescribeactionsoreventsthatarehappeningnowItcanalsobeusedtoexpressgeneraltruthsorhatsPasttenseUsedtodescribeactionsoreventsthathavealreadytakenplaceinthepastItisalsousedinconditionalsensesandafterreceivingconnectionsFuturetenseUsedtodescribeactionsoreventsthatwilltakeplaceinthefutureItcanbeexpressedusingthesimplepresent,simplepast,orpresentcontinuoustense,dependingonthecontextandmeaningTheUsageofTense02PresenttensePresentcontinuoustense01Summary:Thepresentcontinuoustenseisusedtoexpressanactionthatisongoingorcurrentlyhappening02Description03Itisformedbyusingthepresentationformoftheverb"tobe"(am,is,are)followedbythe-ingformoftheverb04Example:"IamstudyingEnglish."01DescriptionItisformedbyusingthepresentationformoftheverb"tohave"followedbythe-edparticleoftheverbExample:"IhavestudiedEnglish."Summary:pletedintherecentpast020304PresentperfecttenseSummary:ThepresentationperfectcontinuoustenseisusedtoexpressanactionthathasbeenongoingintherecentpastItisformedbyusingthepresentationformoftheverb"tohavebeen"followedbythe-ingformoftheverbDescriptionExample:"IhavebeenstudyingEnglish."Presentperfectcontinuoustense
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