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1、UnitThreeGrammarPeriodOnePresentperfecttense祖軍武、朱麗、萬(wàn)力新、李愛貞、方穎Teachingaim:TogiveabriefintroductiontothepresentperfecttenseTeachingprocedures:1GooverthenewsstoryonPage2andfindthesentencesusingthepresentperfecttense.Pleaseexplainwhythetenseisusedinthesesentences.2Theformofthep
2、resentperfecttense3TalkabouttheusesofthepresentperfecttenseAWeusethepresentperfecttensetotalkaboutthingsthathappenedintherecentpast,butareconnectedtothepresent.ThedisappearanceofJustinhasmadeKellyveryunhappy.BWealsousethepresentperfecttensetotalkaboutsomethingthatstartedint
3、hepast,andisstillhappeningnow.IhavenotseenJustinsincelastFridaynight.CWeusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant.Weuseitwithtimeexpressionssuchas:alreadyeverforjustlatelyneverrecentlysinceyetWeusealreadyforaffirmativestatementsandyetfornegati
4、vestatements.Weusefor+aperiodoftimeandsince+apointintime.DWeusethepresentperfecttensetotalkaboutactionsthatwerecompletedonlyashorttimeago.Inthiscase,justisused.Payattentiontothepositionofjust.Hehasjustgoneout.(=Hewentoutafewminutesago.)Weusethepresentperfecttenseheretotello
5、thersthatheisn’therenow.Ihavejustheardthenews.(NowIknowthenews.)EWecanalsousethepresentperfecttenseforrepeatedactions,thatis,weusethepresentperfecttensewiththetimeexpressionsonce/twice/threetimes…FActionsoccurringinanincompleteperiodmightbeindicatedbytodayorthismorning/afte
6、rnoon/evening/week/month/year/centuryorallday/night/week,allthetime,alwaysetc.Tomhasrungupthreetimesthismorning.(Nowitisstillinthemorning.)Tomrangupthreetimesthismorning.(Nowitisnotstillinthemorning.)Completethefollowingsentenceswiththepropertense.AWehavestudied(study)Engli
7、shforaboutfiveyears.BTheyhavelived(live)inthesouthsincetheirdaughterwasborn.CIhaveread(read)yourarticlethreetimes.It’swellwritten.DThestudenthasfinished(finish)herhomeworkalready.EErichasgone(go)backtohishometowntoday.FThepolicehavejustfinished(finish)searchingthearea.4Comp
8、arethesimplepasttenseandthepresentperfecttenseLookatthefollowingsentencesandpointo
