教案三WhatwereyoudoingwhentheUFOarrived.doc

新目标八年级下册英语课本Unit 3What were you doing when the UFO arrived?【学习目标】1学会谈论过去发生的事情(Talkaboutpastevents)2学会讲故事(Tellastory)3了解一些自然科学知识和社会科学知识,从而更加热爱科学,探索科学.重点与【语言目标】单元学习目标1以when、while引导的时间状语从句2过去进行时态：“was/were+doing”结构3.WhatwereyoudoingatnineoclocklastSundaymorning?nIwassleeping.Howaboutyou?nIwasdoingmyhomework.Yourekidding.【重点词汇】bathroom, bedroom, kitchen, UFO, alien, cutting hair, climbing, jumping, land, get out of, take off, scared, shop, store, library, supermarket, museum, TV station, police, reporter, called, took a photo, eating lunch, shouting, amazing, crawded, bought, experience, imagine, strange, happen, accident, heard, modern, kill, murder, bright, rang, told, close, silence, hero, flew.【应掌握的词组】1.(at) this time yesterday 2.at that time in19983.at 8:00 (oclock) last night 4.stand in front of the library5.run away/after/into 6.land on Center Street7.cut hair in the barber shop=be in the barbers chair8.get out of the UFO 9.the Museum of Flight10.take off 11.have an unusual experience12.land right in front of me 13.call the police14.jump down (from) 15.walk down/along/up the street16.shout to sb. 17walk around look around 18.look outside =look out of19.at the doctors/at the barbers 20.be ill in hospital/in bed21.hear about/ofhear from sb.=get a letter from sb. 22.do sth. for the first time23.get out (of)get out of bed=get up 24.be afraid/scared of snakes【教学方式】Listening and speaking methods Cooperating method Taskbased language teaching【Teaching aids 】 A tape recorder .some pictures【教学过程】.Step1.Lead-in 问候导入引入新课文1.GreetingT:Hello,boysandgirls.Nicetomeetyou,again.S:Nicetomeetyou,teacherT：OK，Who is on duty today?S: I amT:Ok, Are we all here?S: No, Wang Hua is not here.T: Whats the weather like today?S：Fine.T：Thank you ，sit down please.S：Today we were going to have a new lesson .Li lei ，please.Do you believe the presence of UFO? S:YesT:How do you know UFOS:Science fiction movies,news,and rumorT: What will you doing when the UFO arrivied?S:I have no idea,Maybe I cant do anything for fearStep2:PresentationWe all know that we live in a complex world .Although the technics of the human beings are developing all the time , we still got so many unsolved problems. Among all of this puzzles , UFO is one of the most noticable things. Now as everybody knows ,UFO is what we call Unknown Flying Object for short.For a period of time ,once we mentioned UFO , we always communicate it with high-tech ,extra-terrestrials ,outter space culture and many other exciting things . 1埃及事件史上第一篇文字记载的UFO目击报告出现在埃及在梵蒂冈埃及博物馆的收藏物中，人们发现了一张古老的埃及纸莎草纸。它记录了公元前1500年左右图特摩西斯三世和他的臣民目击UFO群出现的场面：22年冬季第3日6时生命之宫的抄写员看见天上飞来一个火环它无头，喷出恶臭。火环长一杆，宽一杆，无声无息。抄写员惊惶失措，俯伏在地他们 向法老报告此事。法老下令核查所有生命之宫纸莎草纸上的记载。数日之后天上出现更多此类物体，其光足以蔽日，火环强而有力。法老站于军中，与士兵静观奇 景。晚餐之后，火环向南天升腾法老焚香祷告，祈求平安，并下令将此事记录在生命之宫的史册上以传后世。2.美国总统卡特见证UFO我坚信有不明飞行物，因为我见过一个它奇形怪状，当时约有20人见到我从未见过这么骇人的东西。那是个庞然大物，很明亮，会变色，大概有月亮那么大。我们看了约10分钟说这些话的人是美国前总统卡特，这段文字刊登在1976年6月8日的国民询问报上。在1976年6月8日的国民询问报上。当时他担任乔治亚州州长，曾签署过两份描述他看到UFO情景的正式报告。他是迄今第一位承认见过UFO的政治家。当时是1969年1月6日19时15分，卡特离开一家俱乐部，和他在一起的有十几个人，突然一个和月亮一样明亮的不明飞行物出现在他眼前。他在递交给美国 空中现象调查委员会的报告中说：“1969年1月的一个晚上，我在乔治亚州东南的上空，看见一个发光的红蓝色圆形物体摇曳飞行。它10分钟后才消失。” Until now ,we havent found any clues on real extraterrestrial civilization or supernatural phenomenon .But we are willing to see , with the constant exertion of humanity,we will get more profound knowledge , we will get to realize the essence of the world.We have the faith!Step 3:Now please turn to page 25 and listen to the tape听磁带，看课本上的插图回答问题，要求学生齐声回答T：What was the middle-aged women doing when the UFO arrivied?S：she standing in front of the library.T：What was the man who wearing pajamas doing when the UFO arrivied?he was in his bathroomT：What was the old women doing when the UFO arrivied?S：She was in the in the kitchen.讲解语法，现在我们讲解几个出现在听力中的语法知识点过去进行时：表示在过去某一时间内正在进行的动作。构成：was/were+现在分词（其中was是am、is的过去式，were是are的过去式）eg.1)Whatwereyoudoingatninelastnight?(昨晚9点你在干什么?)Iwasdoingmyhomeworkthen.(那时，我正在做作业)2)Hewascookinginthekitchenat12oclockyesterday.(昨天12点，他正在厨房烧饭。)用法1）过去进行时表现过去某一时刻正在进行的动作。eg.ShewaswritingaletterwhenIcamein.(我进来时，她正在写封信。)2）过去进行时还表示过去某阶段正在进行的动作。eg.Theywerewaitingforyouyesterday.(他们昨天一直在等你.你)过去进行时与一般过去时的区别； 过去进行时：表示正在进行的动作。 I was reading a novel last night.昨晚我在看小说。（可能还没有看完） 一般过去时：表示一个完成的动作。 I read a novel last night .昨晚我看了一本小说。（已经看完了）Step4.ask a student to read the e-mail message 在本段中出现的生词和短语1.Very unuaual experience 非常与众不同的经历作经验解释时是不可数的,例:He has a lot ot experience in the rearch.在这个研究上他 很有经验.作经历解释时是可数的,例:He has a lot of experiences of travelling.他有很多旅游的经历.2.walk down 和walk on，walk on -在什么上行走，比如walk on the streetwalk along-沿着。走walk along the riverwalk up-朝上走，朝这边/近处走Walk up the street!朝街的这边（靠说话人）这边走。walk down 相反的意思3. infrontofinthefrontofbefore的区别（1）infrontof意思是“在前面”，指甲物在乙物之前，两者互不包括；其反义词是behind（在的后面）。如：Hewalkedinfrontofme.他走在我的前面。Therearesomeflowersinfrontofthehouse.(房子前面有些花卉。)（2）infrontof与inthefrontof意思是“在.的前部”，即甲物在乙物的内部.反义词是atthebackof（在范围内的后部）。如：Thereisabigdeskandablackboardinthefrontofourclassroom.我们的教室前边有一张大桌子和一块黑板。Ourteacherstandsinthefrontoftheclassroom.(我们的老师站在教室前.)（3）infrontof与beforebefore通常指时间或排序上的“在以前”，反义词是after。如：Heusuallygetstoschool4. （一）、when，while都有“当时候”的意思。when既可表示某一点时间，也可以表示某一段时间 。在when引导的时间状语从句中，其谓语动词可以是延续性的，也可以是非延续性的，可与主句中的谓语动词同时发生，也可在其后发生。1、I was just reading a book when she came into my room.2、Were you writing when the teacher came in?（二）、while只能表示某一段时间，不能表示某一点时间。在while引导的时间状语从句中，其谓语动词只能是延续性的，而且也只能与主句中的谓语动词同时发生或存在。1、While Jim was mending his bike, Lin Tao came to see him2、You