book+2_u1_课件课时5-grammar+and+usage+1

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1、牛津高中英语(模块二·高一上学期)AdvancewithEnglishGrammarandusage板块：教学设计—课件Unit1PresentperfecttensePresentperfectcontinuoustenseUnit1课件描述：本课件总结了现在完成时和现在完成进行时的用法，并设计了一些练习题帮助学生巩固对这两种时态的掌握。PresentperfecttenseStep1Lead-inGooverthenewsstoryonPage2andfindthesentencesusingthepresentperfecttense.Pleaseexplainw

2、hythetenseisusedinthesesentences.ThedisappearanceofJustin_______(make)Kellyveryunhappy.hasmade1.Weusethepresentperfecttensetotalkaboutthingsthathappenedintherecentpast,butareconnectedtothepresent.Step2Points1-6·I___________(notsee)JustinsincelastFridaynight.havenotseen2.Wealsousetheprese

3、ntperfecttensetotalkaboutsomethingthatstartedinthepast,andisstillhappeningnow.3.Weusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant.Weuseitwithtimeexpressionssuchas:alreadyeverforjustlatelyneverrecentlysinceyetExercise:completethefollowingsentenceswiththepropertens

4、e:(1)We____________(study)Englishforaboutfiveyears.(2)They__________(live)inthesouthsincetheirdaughterwasborn.(3)I__________(read)yourarticlethreetimes.It’swellwritten.(4)Thestudent______________(finish)herhomeworkalready.(5)Eric_____just_____(go)backtohishometown.havestudiedhavelivedhav

5、ereadhavefinishedhasgoneWeusealreadyforaffirmativestatementsandyetfornegativestatements.Weusefor+aperiodoftimeandsince+apointintime.4.Weusethepresentperfecttensetotalkaboutactionsthatwerecompletedonlyashorttimeago.Thepolicehavejustfinishedsearchingtheareas.5.Wecanalsousethepresentperfect

6、tenseforrepeatedactions,thatis,weusethepresentperfecttensewiththetimeexpressionsonce/twice/threetimes…6.Form:have/has+thepastparticipleoftheverbStep3Readthediaryentryandthencompleteitusingthecorrectformsoftheverbsinbrackets.Answers:(2)saw(3)hasvisited(4)loves(5)hasn’tvisited(6)hasswum(7)

7、hasnevermet(8)hasdived(9)hasfound(10)hasn’tfound(11)Has,beenPresentperfectcontinuoustense1.Form:have/hasbeen+thepresentparticipleoftheverb.2.Weusethepresentperfectcontinuoustensetotalkaboutactionsthatstartedinthepastandarestillcontinuing.IhavenotbeensleepingwellsinceIretu