云南省昆明市西山区团结民族中学八年级英语下册《Unit 3 What were you doing when the UFO arrived Section A(1a1c)》教案 人教新目标版.doc

八年级英语下册unit 3 what were you doing when the ufo arrived section a(1a-1c)教案学习目标：1.学习bathroom,kitchen,barber等18页出现的单词和短语，熟记并能正确拼写。2.掌握句型what were you doing when the ufo arrived? i was standing in front of the library. what was he doing when the ufo arrived? he was sleeping late when it arrived.3.学习过去进行时。以有趣的ufo，激发学生探索自然，热爱科学的兴趣。以描述身边发生的有趣事情，激发学生热爱生活，享受生活，热爱学习的情趣。学习任务：task1温故而知新： 1. 翻译下列单词和短语。 1.打扫房间 _ 2. 制作奶昔_ 3. 吃午饭_4. 剪头发_ 5. 通电话_ 6. 从.里出来_2. 讨论并翻译句子。 我现在正在写信。_现在他正在听音乐。_上周末我看了一场电影。_去年我们参加了英语俱乐部。_昨天12点我们正在吃饭。_昨天这个时候她正在购物。_task2自主探究：1.并对比翻译的两组句子。归纳现在进行时和过去进行时的构成形式。1看图讨论：看第18页的图片，谈论当ufo到达的时候图片上的人物正在做什么，完成练习1a。然后提出若干与学生生活密切相关的问题，如what were you doing when the teacher came in?引导学生使用过去进行时。2. 语法注解： arrive 到达 通常与介词in 和at搭配使用。arrive in 后常常跟表示比较大的地方的地点名词。arrive at后常跟表示比较小的地方的地点名词。arrive at the station到达车站 arrive in new york到达纽约辨析：reach, get和arrivereach是及物动词，后面直接跟地点they reached london.他们到达了伦敦。get是不及物动词，后跟名词时要加towhen did you get to beijing last night?你作文什么时候到达北京？过去进行时过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作，常和表过去的时间状语连用，如：i was doing my homework at this time yesterday.昨天的这个时候我正在做作业。they were waiting for you yesterday.他们昨天一直在等你。 过去进行时的构成：肯定形式：主语+was/were+v-ing否定形式：主语+was not (wasnt)/were not (werent)+v-ing疑问形式：was/were+主语+v-ing。基本用法：1.过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时间状语有，at that time/moment, (at) this time yesterday (last night/sunday/week), at+点钟+yesterday (last night / sunday)，when sb. did sth等时间状语从句，如：what were you doing at 7p.m. yesterday?昨天晚上七点你在干什么？i first met mary three years ago. she was working at a radio shop at the time.我第一次遇到玛丽是在三年前，当时她在一家无线电商店工作。i was cooking when she knocked at the door.她敲门时我正在做饭。task3：句型训练 1. 独立完成1b听力训练 2. 学生读课本1c的对话，然后两人练习新对话。最后小组展示。 pairwork. this activity gives students an opportunity to use the language of this unit to describe the past events.达标检测 1.把下列短语译成英语 1 在.的前面_ 2 在厨房里_3 在浴室里_4 从 . 中出来_5 理发 _2. 用所给词的适当形式填空。1 -did you hear the noise?-no. we_(play) the piano then. 2 i didnt hear you, i_(make) a phone call then. 3 some girls _(sing) in the park at eight oclock last night. 4 we_(listen) to the radio when someone knocked at the door. 5 of course you couldnt see me, i_(take) a bath at that time. 6 when they came into the room, ben and jim _(do) their homework. 7 her mother _(cook) at home at noon yesterday. 8 while i _(read) a book, he _(come) home. 9 i first saw lisa two years ago. she_(work) in a shop at that time. 10 i dont think tom saw me, he _(look) at a new dress at that time. homework :1. 运用过去进行时态来描述上个星期日两人不同的动作，