润州区片区合作八年级(上)英语教学案课题:Unit8NaturaldisasterGrammar主备:黄跃课型:新授审核:区八年级英语备课组班级姓名学号【教学目标】1.知识目标:掌握下列单词、短语和句子,并能熟练朗读和使用。单词:break短语:onthesideoftheroad,breakdown句型:Iwas(not)sleepingat10p.m.lastnight.Iwassleepingwhentheearthquakestarted.Peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.AsIwastryingtofindmywayout,Isuddenlyheardsomenoiseaboveme.When/While/AsMilliewaswatchingTV,Andycameintotheroom.MilliewaswatchingTVwhenAndycameintotheroom..2.学会使用过去进行时。3.学会使用when、while和as。【教学重难点】掌握过去进行时及when、while和as的用法。【教学手段】PPT【教学过程】Step1Lead-inRevisethepassageinReading.Asksomequestions.Step2PresentationandpracticeI1.Presentsomesentenceswiththepastcontinuoustense.2.Explaintheusageofthepastcontinuoustense.3.Finishtheexercises.Step3PresentationandpracticeⅡ1.Showpicturestopresentsentencesinthestructureofwhile.2.Explaintheusageofwhile.3.Finishtheexercises.Step4PresentationandpracticeⅢ1.Showpicturestopresentsentencesinthestructureofwhenandas.2.Explaintheusageofwhenandas.3.FinishtheexercisesonP97&P98.Step5HomeworkFinishofftheexercisesonthesheet.【语法小贴士】过去进行时润州区片区合作平台http://61.132.31.58:66/jxa/Lazyyouth,alousyage.少时懒惰老来苦。润州区片区合作八年级(上)英语教学案1.概念:我们可以用过去进行时表示某一时刻正在进行的动作或过去某一阶段一直在进行的动作。如:Iwasdoingmyhomeworkat8p.m.lastnight.昨晚8点我正在做家庭作业。Whatwereyoudoinglastmonth?你上个月一直在做什么?2.构成:由“be动词的过去式was/were+现在分词”构成。过去进行时的肯定结构是由“was/were+现在分词”构成,否定结构是由“was/were+not+现在分词”构成.如:Theboy___________thehouse.那个男孩正在打扫房子。We___________________atthistimeyesterday.昨天这个时候我们没在购物。3.用法1)表示过去某个时刻或某一时间段内正在进行的动作。昨晚8:30她在做什么?________________she________at8:30yesterdayevening?有人敲门时我正在看书。I________________whensomeoneknockedatthedoor.2)与always,allthetime,veryoften等这类副词连用,表示一个不断重复的过去的动作,该动作使说话者产生喜悦、不满、厌烦等情绪。这个男孩总是问我同样的问题。Theboy________always________methesamequestion.3)表示故事发生的时间背景。那是一个漆黑的夜晚,而且下着大雪。Itwasadarknightandit________________heavily.4.时间状语1)过去的某个时间点或时间段。如:atthistimeyesterdayatthattimeat9yesterdaymorningthismorningthewholeafternoonalldayyesterdayfrom9to10lastnight2)由when和while等引导的时间状语从句。我游览北京时,喜欢步行参观。________/________I________________Beijing,Ilikedtotravelonfoot.5.有些动词通常不用于进行时,主要有:1)表心里状态或情感的动词,如love、hate、like、know等。2)部分联系动词,如seem、appear等.3)感官动词,如see、hearfeel、smell、sound、taste等.4)短暂性动词,如decide、stop等.When,While和as的用法1.When,While和as这三个词均有“当……时候”的意思。Therewerefewersandstormswhenmygrandparentswereyoung.我祖父母年轻时沙尘暴要少些。WhileMilliewaswatchingTV,hermumwassleeping.米莉在看电视时她妈妈在睡觉。IsawatrafficaccidentasIwasridingtoschoolthismorning.今天早上我骑车上学时看见一起交通事故。练一练:1)我到那里时,她正在拉小提琴。She________________theviolin________Igotthere.2)那时我在做饭,她在弹钢琴。Iwascooking________she________________thepianothen.3)当妈妈回来时,婴儿在睡觉。_____themothercameback,thebaby________________..2...