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1、南京市上新河中学牛津英语初二备课组集体教案8BUnit1PastandpresentPeriodI&IIGrammarWriter:Time:TeachingAims:1.Tolearnsomenewwords.2.Tolearntheuseofthepresentperfecttenseandtimeexpressionswithit.3.Tounderstandthedifferencebetweenthepresentperfecttenseandthesimplepasttense.Teachingcon
2、tents:thepresentperfecttenseandtimeexpressionswithitImportantpointsTheuseoftheperfecttense:have/has+p.p.Difficultpoints:Theuseoftheperfecttense:have/has+p.p.Teachingmethods:Task-basedteachingmethodTeachingAids:aprojector;amulti-mediacomputersystemNotesTeachin
3、gprocedures:Step1.TeachthenewwordsfromP13toP17.Step2.Leadinthepresentperfecttense.T:Whendidyouhavebreakfast?S:Ihadbreakfastanhourago.T:Hehadbreakfastanhourago.Hehashadbreakfast.(Bb)T:WheredidyoustudyEnglishlastterm?S:WestudiedEnglishinShangXinHeMiddleSchool.T
4、:Yes.YoustudiedEnglishinShangXinHeMiddleSchool.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.(RefertoP13)→Structure: have/has+V(过分)Step3.HowweformthepastparticiplesofverbsP13(Addthesimplepastforms)Add:have---had---had
5、hear---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
6、.(She’sbeen…)Wehavelearned2,000Englishwords.(We’ve…)2.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.Ihaveeverh
7、eardaboutit.Step5.Changetheabovesentencepatternstogeneralquestions,negativesentencesandquestiontheunderlinedparts.Step6.MakesentencesP14A1Step7.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
8、对现在的影响.16e.g.Simonhaslosthiswatch./Simonlosthiswatch.Haveyouboughtapen?/Whendidyoubuythepen?Whatdidyouhaveforlunch?/Haveyouhadlunch?etc注:句中有表示过去的时间状语如yesterday,lastweek,…agoetc,不能用现在完成时.S
