初中英语语法——现在完成时教学教案.doc

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1、(the47period)Unit1ThePresentPerfectTenseTitle:thePresentPerfectTenseMay16,2005Tools:CAIAims:1.LearnthePresentPerfectTense2.GetSstotellthedifferencesbetweenthepresentperfecttenseandthesimplepasttenseKeys:thePresentPerfectTenseDifficulties:theusagesofthetenseProcedures

2、:Step1.RevisionHaveadictation.Step2.PresentationTalkaboutthepictures.PresentthepresentPerfecttense.GetSstoknowtheusageofthetense.PastAction,Presentresult.GetSstomatchtheactionandtheresult,makesurethatthestudentscanconnectthetensewiththepresentresult.GetSstoimagethepr

3、esentresult,makesuretheyknowthetenseisfocusedonthepresentresult.GetSstosummarizetheformationofthetenseandthepastparticiple.SeePP255-257Step3.TeachthetenseGetSstopracticethetensewithaguessinggame.GetSstopractice“haveyou…?Andsay“when”.Makesuretheyhavetousethepastsimple

4、whentheysay“when”.Findthecluesofthepresentperfecttense:already,just,ever,never,before,yetShowthetimeandtheaction:GetSstobefamiliarwiththesecondusageofthepresentperfecttense.GetSstotalkandboastwiththepresentperfecttense(II).GetSstofindtheclues:for+aperiodoftime;since+

5、timepoint;sofar;in/duringthepast/last+aperiodoftime;since+pastsimpleMakesure:1.现在完成时态可用在下列结构中：Itis+aperiodoftime+since+pastsimple.This(That,It)is+形容词最高级+n+定语从句。2.Weuseinsistentverbswhenwetalkabouttheusage2.3.Theusageof“have/hasbeento,have/hasgoneto”Step4.Homework:I.P

6、reviewLesson1II.Dothefollowing:Sheet1