Unit8HaveyoureadTreasureIslandyet?Lesson3SectionA(GrammarFocus–4c)Teachingaims:Knowledgeaims:Sscanusepresentperfecttensetotalkaboutevents.Abilityaims:Talkandwriteusingpresentperfecttense.Moralaims:Teasuretimeandeverything.Teachingkeypoints:1.have/hasdone2.过去分词3.already/yetTeachingsteps:Step1,Grammar1.LetSsreadthesentencesinGrammarFocus,findouthowtousepresentperfecttense.2.GiveSssometimetofindsentenceswithpresentperfecttenseinsectionA,thenreadtotheclass.3.LetSsreadpage110intextbook.整理现在完成时的构成，句型转换。Step2,Pastparticiple1.ShowacharttoSs,letthemreadandfindouttheregularity.Ssunderstandandremember.2.Writedowntheparticipleformsofwords.go-bring-put-leave-do-run-Step3,Difficulties1.ShowSssomesentenceswithalreadyandyet.HehasalreadymetLucy.Hehasn’tmetLucyyet.HashemetLucyyet?Ssdiscussandtellthedifferencesbetweenalreadyandyet.2.Dosomeexercisestocheckiftheyhavereallymasteredthem.Step4,Exercises1.Do4aand4b,checktheanswers.2.DoexercisesinTB.Step5,Pairworkregularplay-played-playedhelp-helped-helpedirregularAAAread-read-readcut-cut-cutABBmeet-met-mettell-told-toldABCsing-sang-sungtake-took-takenABAcome-came-comerun-ran-runAskSstoreadtheconversationin4a,thentalkwiththeirpartnersandfillinthechart.A:Whatbookshaveyoualreadyread?B:I’vealreadyreadTomSawyer.A:Whatdoyouthinkofit?B:IthinkTomSawyerisexciting.Step6,Homework
