初中英语牛津译林版八年级下册Unit3《Grammar-Simple-past-tense-and-

初中英语牛津译林版八年级下册Unit3《Grammar:Simplepasttenseandpresentperfecttense》优质课教案省级比赛获奖教案公开课教师面试试讲教案【名师授课教案】1教学目标1.Tounderstandthedifferencesbetweenthesimplepasttenseandthepresentperfecttense.2.Tograsptheexpressionswiththepresentperfecttense.3.Tograsptheexpressionswiththesimplepasttense.4.Tounderstanddifferentusesofthepresentperfecttense.2重点难点3教学过程3.1一学时3.1.1教学活动活动1【导入】Revision活动2【导入】PresatationTeachthenewwords.dreamvi.&vt.做梦,梦想dreamabout/of想象;梦想e.g.Doyouoftendreamatnight?你在夜里经常做梦吗?Isometimesdreamaboutmyparents.我有时梦见我的父母。Idreamofbecomingateacher.我一心想当个教师。活动3【讲授】GrammarexplanationTranslatesomesentences.Daniel两年前去了北京。(DanielwenttoBeijingtwoyearsago.)Daniel已经在北京居住两年了。(DanielhaslivedinBeijingfortwoyears.)Tellthestudentsthedifferencebetweenthesimplepasttenseandthepresentperfecttense.Difference:Weusesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.Differences:Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.Itmayhavejusthappenedorhappenedsometimeago.活动4【练习】ExercisesExercises:1.三年前他养了只猫做宠物。He______acataspetthreeyearsago.2.这只宠物猫他养了三年了。He_________thepetcatforthreeyears.Daniel上个月买了台新电脑。Danielboughtanewcomputerlastmonth.Daniel已经买了台新电脑。Danielhasboughtanewcomputer.(Danielhasanewcomputernow.)Exercises:1.我上个星期去参观了那个新动物园。I_______thatnewzoolastweek.2.我已经参观过那个新动物园了。I______________thatnewzoo.吴老师2010年和2011年访问过加拿大。MrWuvisitedCanadain2010and2011.吴老师已经去过加拿大两次。MrWuhasbeentoCanadatwice.活动5【活动】DrillsA.AmyisshowingMilliesomepictures.Completehersentenceswiththecorrectformsofthewordsinbrackets.I_______(visit)thePalaceMuseumwithmygrandparentstheotherday.I_________(climb)MountHuanglastSummer.______you______(try)thefamousTianjinBaozi?IamhappythatI___________(learn)toswim.B.MrWuisaskingthestudentstomakesentenceswiththecorrecttenses.Helpthemcompletethesentenceswiththecorrectformsofthewordsinbrackets.1.I__________________(finish/just)myhomework.Millie_________(finish)herhomework20minutesago.2.I______(write)anemailtomyfriendyesterday.Daniel_________________(write/already)twoemails.3.I______(be)inHainanlastweek.Someofourclassmates_____________(notbe)toHainanyet.4.I___________(live)inSunshineTownsinceIwasborn.Daniel______(live)inNanjingin2007.C.MilliehasneverbeentoNanjing.SheisaskingSimonaboutthecity.Completetheirconversationwiththecorrectformsofthewordsinbrackets.Millie:___________________(you/be/ever)toNanjing?Simon:Yes.I(2)____________(be)therethreetimes.Millie:When(3)____________(you/go)therelast?Simon:Lastsummer.I(4)______(spend)aweekthere.Millie:(5)____________(you/like)it?Simon:Ohyes.I(6)_____(have)agreattimethere.I(7)______(visit)manyplacesofinterestand(8)_____(eat)lotsoflocalfood.Millie:Luckyyou!I(9)_______________(be/never)there.D.MillieiswritingabouttheUSAinherdiary.Helphercompleteherdiaryentrywiththecorrectformsoftheverbsinthebox.Saturday,15MarchHaveyoueverdreamtoftravellingaroundtheworldwithoutapassport?Yes,youcanrealizeyourdreambytakinganonlinetour.YesterdayDanniel(1)_________meanonlinetouroftheUSA.I(2)_____never_____somanywonderfulpictruesbefore.Lastweek,I(3)_____abookabouttheplacesofinterestintheUSA.I(4)_________20pagesalready.It'sreallyinteresting.Mydad(5)_____just_________fromtheUSA,butI(6)______never_______there.IhopeIcanvisittheUSAsomeday.活动6【测试】Summary1)一般过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。2)一般过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。一般过去时的时间状语:yesterday,lastweek,…ago,in1980,inOctober,just,now等,皆为具体的时间状语。现在完成时的时间状语:for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always等,皆不确定的时间状语。共同的时间状语:thismorning,tonight,thisApril,now,already,recently,lately等。3)现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live,teach,learn,work,study,know。一般过去时常用的非持续性动词有come,go,leave,start,die,finish,become,getmarried等。句子中如有过去时的时间副词(如yesterday,last,week,in1960)时,不能使用现在完成时,要用过去时。(错)Tomhaswrittenalettertohisparentslastnight.(对)Tomwrotealettertohisparentslastnight.活动7【作业】HomeworkFinishofftheexercisesinworkbook.