江苏省盐城市阜宁县明达初级中学八年级英语下册8BUnit1PastandpresentGrammarAandB教案牛津版总课题8BUnit1Pastandpresent总课时10第5课时课题Grammar(A,B)课型新授教学目标知识目标1.Tolearnsomenewwords.2.Tolearntheuseofthepresentperfecttenseandtimeexpressionswithit.能力目标Tounderstandthedifferencebetweenthepresentperfecttenseandthesimplepasttense情感目标Toteachthestudentstosay“Ihavedoneagoodthing.”教学重点与难点Theuseoftheperfecttense:have/has+p.p.教学资源Asmallblackboard,somepictures.课前预习内容1.Previewthenewwords.2.Pre-learnthepresentperfecttense时间5minutes方法Readandunderstand要求Canusethepresentperfecttense.教学过程教师活动二次备课Step1.Pre-checking1.Hehaseatenanapple.2.YouhavereadEnglish.3.Theyhavecleanedtheroom.Step2.Leadinthepresentperfecttense.T:Whendidyouhavebreakfast?S:Ihadbreaskfastanhourago.T:Hehadbreakfastanhourago.Hehashadbreakfast.(Bb)T:WheredidyoustudyEnglishlastterm?S:WestudiedEnglishinShanxiNo.2MiddleSchool.T:Yes.YoustudiedEnglishinShanxiNo.2MiddleSchool.Youhavestudiedhereforabouttwoyears.(Bb)→我们用一般过去时谈论过去发生的动作,但当过去发生的动作和现在有联系有影响时,我们用现在完成时态.(RefertoP9)→Structure:have/has+V(过分)Step3.HowweformthepastparticiplesofverbsP10(Addthesimplepastforms)Add:have---had---hadhear---heard---heardbuy---bought---boughtgo---went---gonedo---did----doneeat---ate---eatenforget---forgot---forgottencut---cut---cutread---read---readStep4.Explaintheuseofthepresentperfecttense.(一)基本用法:1.到现在为止这段时间已发生的情况.动作从过去延续到现在.eg.Shehasbeenillforthreedays.(She’sbeen…)Wehavelearned2,000Englishwords.(We’ve…)1.某个动作虽是过去发生,但其后果和影响及于现在.eg.Thanksyou.I’vehadmysupper.(现在用不着吃)Tomhasseenthefilm.(对这部电影有所了解)(二)时间状语:already,yet(否,疑),since,ever,never,just,before(句尾),for+时间段,recentlyeg.Shehasalreadyfinishedherwork.Ihaveeverheardaboutit.Step5.Changetheabovesentencepatternstogeneralquestions,negativesentencesandquestiontheunderlinedparts.Step6.MakesentencesP10A1Step7.Comparethedifferencebetweenthepresentperfecttenseandthesimplepasttense.现在完成时的特点是某一动作发生与现在有联系,一般过去时则单纯谈过去发生的某一动作,不涉及对现在的影响.eg.Simonhaslosthiswatch./Simonlosthiswatch.Haveyouboughtapen?/Whendidyoubuythepen?Whatdidyouhaveforlunch?/Haveyouhadlunch?etc注:句中有表示过去的时间状语如yesterday,lastweek,…agoetc,不能用现完.Step8.ChattimeP11,A2Step6.SumupWelearntheuseofperfecttense.Step7.Exercises&Homework:1.Cansaytransport.2.PreviewP16-17.教后反思：
