英语必修ⅰ外研版module4教案1.docx

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1、Grammar1：Step1:Activityone:Givethesssomesentencestoreadandthenpointoutwhattensesareused.1)A:Hastheplanearrived?B:yes.A:whendiditarrive?B:halfanhourago2).Heisnotin.hehasgonetotown.Hejustleftbeforeyoucame.Suggestedanswers:1).Thepresentperfecttense;thepastsimpletense2).Thepresentperfecttense;t

2、hepastsimpletenseActivitytwo:ReadthesentencesfromtheAlivelycityonpage34andanswerthequestionsbasedonthesesentences.Step2Groupwork----competitionTheFirstgroup:findoutthesimilaritiesofthesentencesinactivitytwo.Conclusion:S+have/has+doneThesecondgroup:findoutthedifferencesthefollowingsentences.

3、1.Ihavedonemyhomework2.Hehasdonehishomework3.Shehasdoneherhomework4.Youhavedoneyourhomework5.TheyhavedonetheirhomeworkConclusion:Ihavedone⋯shehasdone⋯theyhavedone⋯GuessWhat’sthenegativeformofthosesentencesabove?S+havehasnotdoneConclusion:现在完成时用来表示过去发生的动作对现在造成的影响或结果。Consolidation:Completeth

4、eexercisetwoonpage34Grammar2.GiveSsthesesentencesanddecidewhichgrouptheybelongtoAorB.A:describeeventsthatcontinueoveraperiodoftimeB:describeeventsthathappenataparticularpointintime.1).youhavelivedhereallyourlife⋯.2).I’veworkedforit4yearsnow3).We’vestartedaholidayclubforchildren4).Alotofchil

5、drenhavejoinedit.Suggestedanswers:Sentences1and2describeeventsthatcontinueoveraperiodoftime(thingswhichhappenedinthepastandarestillcontinuinguptothismoment)Sentences3and4describeeventsthathappenataparticularpointintimeConclusion:表示从过去开始一直延续到现在的动作或状态。在此必须强调动词必须是延续性动词。这一点也是这一用法的重点和难点。常见的非延续动词

6、有come,start/begin,buy,borrow,leave,dieandsoon.备课资料：现在完成时时态讲解一、注意弄清时态的实际意义现在完成时表示的是在过去某个时间开始并持续到现在的动作/状态,或者过去的动作或状态对现在造成的影响或结果。Theyhaveleft.--他们已经离开了,也就是说现在他们人不在这里Ihavehadmylunch.--我已经吃过午饭了,也就是说我现在不饿也可表示持续到现在的动作或状态，或有可能有可能停止，或有可能继续延续下去。。HehaslearnedEnglishsince2001.-从2001年开始学的,现在还在继续学着呢二、基本句

7、型结构现在完成时的构成形式：have/has(助动词)+done(过去分词)I/You/They/Wehavetalked.He/Shehastalked.现在完成时的否定结构就是在助动词have或has后加上否定词I/You/They/Wehaven’t(havenot)talked.not；He/Shehasn’t(hasnot)talked.其一般疑问句就是将助动词HaveI/You/They/Wetalked.have或has提到句首，Hashe/shetalked.肯定的简略回答是：Yes