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1、《Unit2TravelingGrammar2》学案【教学目标】1.加深对现在完成时的理解。2.进一步区分一般过去时和现在完成时的用法。3.理解短暂性动词和延续性动词的不同用法，以及它们之间的转换。【教学内容】1.四会内容词汇：motorcycle,lamb,conference,programme,gift,marriage,句型：1.MilliehasbeentoSouthHillmanytimes.2.DanielandSandyhaveneverbeentoSouthHill.3.KittyhasgonetoHongkongwithherfamily.4.Millehasbeen
2、awayfromBeijingfortwodays.5.SimonhasbeenamemberoftheFootballClubsincelastyear.【课前预习】1．ReadthewordsonP32andwritedownwhentouse“for,since,ago”:for____________________________________________________since__________________________________________________ago____________________________________________
3、_______2.ReadthetableonPage32,tryyourbesttounderstandthem.语法：现在完成时现在完成时：表示过去发生的动作对现在的影响和结果。它经常与never,just,before,yet,already,ever.其中already用在陈述句中。在疑问句或否定句中常用yet代替already.Ihavealreadydonemyhomework.HasJimcalledyet?**表示过去发生的动作一直延续到现在，可能还将延续下去，经常与for,since引导的时间状语连用，此时动词必须具有延续性.Theoldmanhasdiedfortwo
4、years.（错）Theoldmanhasbeendeadfortwoyears.（对）常见的瞬间性动词转换成延续性动词如下表格：非延续性动词与一段时间连用时的表达方法buyhaveborrowkeepclosebeclosedopenbeopencometo,gotobein(on,at)Joinbeamemberof;bea…member;bein,bewithMovetoLiveindieBedeadleaveBeaway(from)wakeBeawakeStart,beginBeonendBeoverFallasleep,gettosleepBeasleepGetupBeupTu
5、rnonsth,turnoffsth.Sth.beon,sth.BeoffReturn,come,back,getback,gobackBebackGetback(取回)HavebackReach,arrivein(at),gettoBein(on,at)GettoknowknowGet,turn,become(变得，成为)作系动词beHearfrom,get(receive)aletterfromHavealetterfrom【教学过程】1.Checkthebefore-classwork;2.Rewritethesentencesaccordingtothemodel.e.g.Heg
6、otupanhourago.----Hehasbeenupforanhour./sinceanhourago.①IboughtthisCDtwoyearsago.I_________________thisCD___________________.②Sheborrowedabookfromthelibraryyesterday.She________________abookfromthelibrary__________yesterday.③UncleLiarrivedinBeijingthreedaysago.UncleLi____________________Beijing__
7、____________threedaysago.④Myparentsgotmarriedtwentyyearsago.Myparents________________________________fortwentyyears.⑤Therainstoppedfiveminutesago.Therain________________________since________________________.⑥Hebecomead
