外研版英语八年级下册Module 4 Unit 3教案

Module4SeeingthedoctorUnit3Languageinuse(1)一、教学目标1.能够灵活运用本模块的重点单词和短语：cough,fever,headache,stomachache,toothache,ill,this,since,cold,catchacold,takesb’stemperature,fastfood,health,well,heart,active,pet,member,takepart(insth.),sleepy,then,daily,weak,exercise等。2.学习本模块的重点句子：Ihaven’tdonemuchexercisesinceIgotmycomputerlastyear.Ihavehadhimforthreemonthsnow.Sincethen,ithasbecomepartofmylife.总结和巩固以since和for引导时间状语的现在完成时态；能够区分延续性和短暂性动词。能够听懂关于健康生活习惯的表述并提取细节信息。能够读懂关于饮食和运动习惯的短文。二、教学重点及难点重点：1.掌握本模块的单词和短语。2.总结和巩固以since和for引导时间状语的现在完成时态。难点：通过各种形式的活动和练习使学生更好地掌握现在完成时。三、教学准备1.多媒体设备和课件；2.教学光盘。四、教学过程StepⅠWarming-upLook,readandfind.(1)ShowsomegroupsofsentencestotheSs.(Eachgrouphastwosentences:oneisasentencethatusesthepastsimple,theotherisasentencethatusesthepresentperfect.)(2)AskSstoworkingroupsandfindwhatthedifferencesarebetweenthetwokindsofsentences,payattentiontothewordsinred.设计意图：通过读句子，观察句子之间的区别，引出今天要学习的语法知识。StepⅡPresentationLanguagepracticeShowthesentencesinLanguagepracticeandSsreadthemaloud.T:Readthesentencesindividually,andpayattentiontotheexpressionsinred.GrammarLearnthegrammarofthismodule.现在完成时表示动作或状态从过去某一时刻开始、一直持续到现在，多与“since+点时间”或“for+段时间”连用。for表示“经过(一段时间)”，而since表示“自从(……以来)”。常见结构如下：for+表示一段时间的状语一段时间+agosince+表示过去的某一时间点从句在对现在完成时的时间状语进行提问时，我们常用howlong。英语中有些动词的意义不能持续，表示的是一瞬间就结束的动作，这些动词被称为非延续性动词或短暂性动词。常见的有come,leave,go,lose,see,begin,start,arrive,become,die,buy,borrow,close,join,reach,fall,getup等。这类动词可以用于完成时态，但在肯定句中不能与表示动作延续的时间状语for或since短语连用。如果要与表示动作延续的时间状语for或since短语连用，并用于肯定句中，就需要把非延续性动词改为延续性动词。上面的句子可改为Hehasbeenbackforthreedays.设计意图：帮助学生总结语法知识，便于系统掌握。StepⅡIPracticeGrammarExercises1.Showsomeexercisesfromtheseniorhighschoolentranceexamination.2.LetSsfinishthemtoconsolidatewhattheyhavelearnedtoday.3.Checktheanswersinthewholeclass.设计意图：通过让学生做近年中考题巩固现在完成时（非延续性动词和延续性动词）这一重要语法点，检查学生对该语法点掌握情况的同时，也在体验中考题型的过程中加深对该语法点的巩固。Activity11.ReadthequestionstotheSs.Thenaskthemtolistenandrepeat.Helpwiththepronunciationandintonationasnecessary/needed.2.TellSstoworkinpairsandtaketurnstoaskandanswerquestions.3.AskindividualSstoreporttotheclassabouttheirpartner’sanswers.设计意图：通过对应练习及时巩固所学语法知识。Activity2.1.HaveSsreadthequestionsandwritetheiranswersusing“since”or“for”asneeded.2.LetSscomparetheiranswersinpairsandcorrecteachother’sspellingandgrammar.Payattentiontothecorrectuseof“since”and“for”.3.AsksomeSstogiveareportinthefrontabouttheirpartner’sanswerstothequestionnaire.4.Givepossibleanswers.设计意图：检测学生对于since和for含义记忆用法的理解程度。Activity31.AskSstoreadtheshortdialoguesandcompletethemwithwordsincorrectform,usingthetimeexpressionstohelp.2.Checkanswersasaclass.设计意图：通过结合语境选择合适的词形填空检测学生对现在完成时态的掌握程度。Activity41.Reviewthewordsandexpressionsinthebox.2.PutSsinpairstocompletethetext.3.Checkasawholeclass.设计意图：通过填空练习，检测学生对现在完成时态的掌握程度。Activity5AskSstocompletetheconversation.设计意图：通过选适当的句子将对话补充完整的形式，帮助学生复习巩固看病就医时的问答对话。Step=4\*ROMANIVConsolidationDotheexercises.一、用括号内所给词的正确形式填空。1.Theoldman_____________(live)heresince1992.2._____________you_____________(visit)ourfactoryyet?3.I_____________(notsee)youforalongtime.You_____________(change)alot.4.I’mafraidI_____________(keep)youwaitingforalongtime.5.He_____________(know)thecitysincehewasveryyoung.二、选用for和since填空。1.Wehaven’tseeneachother______alongtime.2.HisfatherhasbeenintheParty______10yearsago.3.Thefilmhasbeenon______20minutes.4.MrGreenhasworkedhere______hecametoChina.5.Hisgrandparentshavebeendead______severalyears.6.It’sfiveyears_______wemetlasttime.Step=5\*ROMANVSummaryHelpSstosumupwhattheyhavelearned.1.现在完成时——since和for的用法for+表示一段时间的状语一段时间+agosince+表示过去的某一时间点从句2.非延续性动词转化为延续性动词：fallill(asleep)—beill(asleep)，finish/end—beover，begin/start—beon，close/open—beclosed/beopen，buy—have，borrow—keep，die—bedead，leave—beaway，comeback—beback，become—be设计意图：带领学生梳理所学知识，方便学生课后巩固复习。Step=5\*ROMANVIHomework1.Finishofftheworkbookexercises.2.Reviewthegrammarwelearnttoday.五、板书设计Unit3Languageinuse(1)第3课时1.现在完成时——since和for的