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1、人教版八年级下册Unit1015vehadthisbikeforthreeyears.SectionA(GrammarFocus-4c)名师教案TeachingGoals1. Languagegoals1) Keywords:hometown2) Keysentences:ThesentencesinGrammarFocus.3) SswillIeamnewgrammarstructure:thepresentperfecttense(havehas+P.P)vehadthismagazineforacoupleofmonths.vehadthemsinceIwasachild.2. Abil
2、itygoals1) ConsolidatethetargetlanguageinGrammarFocus.2) Thestudentscanusethepresentperfecttense(havehas+P.P)3) Sscanusethenewstructurestotalkabouttheirpossessionsandthingsaroundthem;4) Sscanimprovetheirspeakingability.3. EmotionandAttitudegoalsPracticemakesperfect.TeachingPointsandDifficulties1. Te
3、achingPoints1) Masterthenewwords,phrasesandkeysentencesinGrammarFocus.2) Reviewthetenseandstructureslearnedbefore.3) Developstudents,integratedskills.2. TeachingDifficultiesReviewthetenseandstructuresinGrammarFocus.TeachingMethods1. Consolidatethetargetlanguageandgrammarthroughsomepractice.2. Autono
4、mousandcooperativeapproach.PreparationbeforetheperiodTeachers,preparations:Aprojector.Students,preparations:StudentspreviewGrammarFocus-4cinSectionA.TeachingProceduresStep1LeadinGreetthestudentsasusual.Step2PresentationandPracticeExplainthepresentperfecttense.WorkonGrammarfocus.Tellstudentstoreadthe
5、sentencesinGrammarFocustogetherandtrytotranslatethemintoChinese.Also,payattentiontothedifferencesbetweenthepresentperfecttenseandsimplepasttense.Thenexplainthedifferencesabout“howlong,howsoon,howoftenandhowfr1.现在完成时：现在完成时表示从过去一直持续到现在的动作或状态，并可能还将持续下去。简称“延续用法”。此用法需注意两点：1）常与for,since引导的时间状语连用。2）动词使用延续性
6、动词。因为瞬间动词在肯定句、疑问句中不能和时间段连用。since,for的用法：since:（自以来）I）SinCe+时间点Hehasstayedheresince5o,clock.2）since+时间段+agoHehasstayedheresince5hoursago.3）since+从句（句子要用一般过去时态）ShehastaughtEnglishsincehecamehere.for:（长达）for+时间段Hehaskeptthebookfor2weeks.2.在现在完成时态中，for与SinCe引导的时间状语可以相互转换。since+一段时间ago=for时间段e.g.sincetwo
7、weeksago=fortwoweeks;Ihavekeptthelibrarybookforaweek.=Ihavekeptthelibrarybooksinceaweekago.歌诀：含有for,SinCe的现在完成时的用法歌诀：过去的动作或状态，一直持续到现在，fbrSinCe把时间带。用for和SinCe填空。threehoursthreeo,clockalongtime1997twoweeksthreeyearsagolastmonthaweektwodays_yesterdayafternoon_IcameherelastSunday在现在完成时中短暂性动词在肯定句、疑问句中不能与
8、时间段连用。为了表述这种意思，我们常将短暂性动词转变成相应的延续性动词来代替非延续性动词，或变成：Itis+时间段since+一般过去时的句子。常见非延续性动词和延续性动词的转变第一类：短暂动词转变成：beadj.die,finish,open/close,fallill/asleep,marrysb./getmarriedto第二类：短暂动词转变成：be+介词start/begin,IeaveJoin第三类：短暂动词转变成另一个动词口buy,borrow,become,putonLetthestudentsmakenotesandpresentaformonthebigscreenandth
9、enletthestudentstryrememberingthechangesoftheverbs.Task1TestA: Howlonghaveyoustudiedinthisschool?B: I(study)inthisschoolfor2years.=I(study)inthisschool2years.=ItistwoyearsIstudiedEnglish.Task2Lefspractice!1. TumtoActivity4a:Rewritethesentencesusingfororsince.Thenletseveralstudentsreporttheiranswers.
10、2. TurntoActivity4b:Fillintheblankswithcorrectfnsoftheverbsinbrackets.Thenanswerandchecktogether.Exercise11 .他的爷爷已经去世2年了。2 .Nick参军3年了。3 .他离开深圳好长时间了。4 .这本书我已借了4个月了。Exercise2Itis时间段+since一般过去时的句子1 .他的爷爷已经去世2年了。2 .Nick参军3年了。3 .他离开深圳好长时间了。4 .这本书我已借了4个月了。Step3Summaryvehadthisbikeforthreeyears.=vehadthisbikesincethreeyearsago.=It,sthreeyearssinceIboughtthisbike.=Iboughtthisbikethreeyearsago.Step4Homework(1) Leamthepresentperfecttensebyheart.(2) RecitethesentencesinGrammarFocus.PreviewthenewwordsandSectionB(la-2d)onPage77-79.
