高中英语 Unit1Tales of the unexplained Grammar and usage 1精品课件 牛津译林版必修2 课件VIP免费

GrammarandusageUnitUnit11Presentperfecttense&PresentperfectcontinuoustensePresentperfecttenseStep1Lead-in•GooverthenewsstoryonPage2andfindthesentencesusingthepresentperfecttense.•Pleaseexplainwhythetenseisusedinthesesentences.•ThedisappearanceofJustin_______(make)Kellyveryunhappy.hasmade1.Weusethepresentperfecttensetotalkaboutthingsthathappenedintherecentpast,butareconnectedtothepresent.Step2Points1-6·I___________(notsee)JustinsincelastFridaynight.havenotseen2.Wealsousethepresentperfecttensetotalkaboutsomethingthatstartedinthepast,andisstillhappeningnow.3.Weusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant.Weuseitwithtimeexpressionssuchas:alreadyeverforjustlatelyneverrecentlysinceyetExercise:completethefollowingsentenceswiththepropertense:(1)We____________(study)Englishforaboutfiveyears.(2)They__________(live)inthesouthsincetheirdaughterwasborn.(3)I__________(read)yourarticlethreetimes.It’swellwritten.(4)Thestudent______________(finish)herhomeworkalready.(5)Eric_____just_____(go)backtohishometown.havestudiedhavelivedhavereadhavefinishedhasgone•Weusealreadyforaffirmativestatementsandyetfornegativestatements.•Weusefor+aperiodoftimeandsince+apointintime.4.Weusethepresentperfecttensetotalkaboutactionsthatwerecompletedonlyashorttimeago.•Thepolicehavejustfinishedsearchingtheareas.5.Wecanalsousethepresentperfecttenseforrepeatedactions,thatis,weusethepresentperfecttensewiththetimeexpressionsonce/twice/threetimes…6.Form:have/has+thepastparticipleoftheverbStep3Readthediaryentryandthencompleteitusingthecorrectformsoftheverbsinbrackets.Answers:(2)saw(3)hasvisited(4)loves(5)hasn’tvisited(6)hasswum(7)hasnevermet(8)hasdived(9)hasfound(10)hasn’tfound(11)Has,beenPresentperfectcontinuoustense1.Form:have/hasbeen+thepresentparticipleoftheverb.2.Weusethepresentperfectcontinuoustensetotalkaboutactionsthatstartedinthepastandarestillcontinuing.IhavenotbeensleepingwellsinceIreturnedhome.Past_____________________________________PresentnotbeingabletosleepwellIreturnedhome.I’mstillnotsleepingwell.3.Wealsousethepresentperfectcontinuoustensetotalkaboutactionsthathavejustfinishedbutarestillconnectedtothepresentinsomeway.Kelly:SorryI’mlate.Haveyoubeenwaitinglong?Mavis:Yes.I’vebeenwaitingforanhour.past___________________________________OnehouragoPresentMavisstartedwaitingforKelly.Kellyarrives.havebeenobservinghavebeentalkinghavebeentakinghavebeenwatchinghaveseenhavebeenwriting1.PrepareGrammarandusage.2.FinishPartC1andC2inWorkbook.Homework