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Unit3OnlinetoursGrammar教学目标1.TounderstandthedifferencebetweenSimplepasttenseandPresentperfecttense.2.TomakesentenceswithSimplepasttenseandPresentperfecttense.correctly.重点TounderstandthedifferencebetweenSimplepasttenseandPresentperfecttense.难点TomakesentenceswithSimplepasttenseandPresentperfecttense.教学准备aprojector;amulti-mediacomputersystem教学设计详案二次备课内容Step1:FreetalkActivityone:Presentationofthesentenceswiththetwotenses.1.HaveyoueverbeentoBeijing?2.WhendidyougotoBeijing?3.HowmanytimeshaveyoubeentoBeijing?4.Hhaeyoueverboughtacomputer?5.Whenandwheredidyoubuyit?6.Howmanytimeshaveyouuseditforanonlinetour?Step2:PresentationReadP40andfindoutthedifferencesbetweenthesimplepasttenseandthepresentperfecttense.Workouttherule:一般过去时的时间状语_____________________________________.现在完成时的时间状语_____________________________________.Step3:PracticeFinishPartA,PartB,PartDonP41-42andchecktheanswersindifferentways.DosomeMultiplechoiceStep4:ProductionFinishPartConP42andchecktheanswers.Pairwork(Talkabouttheplacestheyhavebeentobefore)UsePartCasamodel.Talkabouttheplacesofinterestyou’vevisitedbefore.Payattentiontothetenses.Domoreexercisesonthescreen.Step5:Homework1.Readandrememberthenewwordsandphrasesofthispart.2.Revisewhatislearnttoday.Andfinishsomerelevantexercises.作业设计教学反思