Module 12 Help 同步教案 外研版英语八年级上册.docx

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1、外研版八年级（上）Module 12 Help 同步教案教学目标知识与技能：掌握祈使句和情态动词等问题的解题基本技能；过程与方法：让学生了解祈使句和情态动词等相关英语知识形成的过程、“亲历”探究知识的过程；学会发现问题、思考问题、解决问题的方法，学会学习，形成创新精神和实践能力等。情感、态度和价值观：通过对教学和讲课过程中授予的知识文化，让学生形成积极的学习态度、健康向上的人生态度，具有科学精神和正确的世界观、人生观、价值观，成为有社会责任感和使命感的社会公民。教学重点与难点重点：动词原形及let等构成的祈使句、情态动词 must/can/could 表示推测的用法难点： 祈使句句式的使用、情

2、态动词can,may,must 表推测的用法区别重点知识梳理1、 重点单词互译broken medical 想象 lift harmful warn calm 勇敢的 2、 重点短语互译first aid at the bottom of lift up 确认、确保 in pain in short 首先 从.跳出 一个十岁的女孩 为某人感到自豪 Whats wrong with ? 3、 重点句型必背（课文经典句型） 1. A boy is lying at the bottom of the stairs.2. He is in pain. 3. But he could have tro

3、uble hearing you or speaking to you. 4. Lift him up and sit him on a chair?5. Make sure hes warm. 6. Earthquakes always happen suddenly, so it is difficult to warn people about them7. Do not jump out of high buildings.8. Keep calm, especially when you are with other people.9. In short, follow what y

4、ou learnt in school.10. A ten-year-old girl saved about one hundred other tourists in 2004 by warning them that a tsunami, a huge ocean wave, was on its way across the sea.重点知识精讲一、词汇考点1. bottom底部，下端，末尾：the bottom (指特定某物的底部/末尾）at the bottom：在底层/在最下面/在最底部【例句】 A village lies at the bottom of the hill.

5、村庄座落在山角下。【拓展】 from the bottom of your/sbs heart由衷地，从心底里，发自内心地【练习】 填空题: Thepolice found a body lake. 警方在湖底发现了一具尸体。2. trouble n.问题、烦恼、困难have trouble doing sth/have trouble with sth“做有困难”【例句】We never have any trouble getting the car started.发动这辆车子我们从没费过劲儿。【练习】填空题：Many old people others. 许多老年人听力很困难。 3.

6、warn vt. 警告;告诫;提醒warn sb.(not) to do sth.警告某人（不要）干某事【例句】The police warned us not to go out at night. 警察告诫我们夜间不要出门。【练习】( ) 1. The teacher always warns the school kids _ with strangers on their way home. A. not talk B. not to talk C. no talking D.to talk( ) 2. I warned you _home alone. A. not walk B.

7、not to walk C. not waling D. not to walking4.keep 表示“保持”, calm 表示“冷静，沉着”keep calm 是系动词 + 形容词构成的动词短语。其他的行为动词还能做系动词的有：become, feel, look, seem 等。【例句】Keep calm, especially when you are with other people. Everybody became quiet. He looked a little nervous. 【练习】 ( ) 1. I am sorry to keep you_. A. waiting

8、 B. to wait C. wait D. waited ( ) 2. The worker kept the engine _. A. to run B. run C. running D. ran 二、句 型点拨Thats such good advice that you could be a doctor, Betty!【分析】 such . that . 这个句型表达“如此.以至于.”的意思，such后面接名词，名词前可以有形容词修饰。如果只有形容词或副词，则要使用 so . that . 这一句型。e.g. It is such a tiny kitchen that only

9、one person can cook in it. They are such nice people that we all like them.He was so weak that he could hardly stand up. Everything happened so quickly that I hadnt time to think【拓展】 so.that.这一句型否定时表示太 而不能做；在表示否定时常与not enough to do 或 tooto do 互换。He was so weak that he could hardly stand up.=He was n

10、ot strong enough to stand up./He was too weak to stand up.他很虚弱，几乎站不起来。【练习】 Everything happened so quickly that I hadnt time to think. =Everything happened _quickly for me _think.一切发生得太快 了，我都没有时间思考。三、重点语法A.祈使句一、定义： 祈使句表达说话人对对方的叮嘱、劝告、希望、禁止、建议、请求或命令等。二、祈使句的特征： 以动词原形开头，无时态和数的变化。三、祈使句的句型：1. 动词原形构成的祈使句通常省

11、略主语 you，谓语动词用原形。否定句由 dont 或 never 开头。祈使句的句首或句末有时加 please。2. let 构成的祈使句由“Let + me/us/him/her + 动词原形”构成。这类祈使句往往用于请求允许（let us）或提出建议（lets）。例如：Lets spend this weekend in the countryside.Let him be here by ten oclock.3. 无动词祈使句在请求，命令和口号中，常用无动词祈使句，它实际上是省略了动词，从而使语句更简洁有力。例如：Just a minute, please!在一些指示牌上，常用“No

12、 + 动名词/名词”构成省略的否定祈使句。例如：No smoking!【练习】选择题( )1. Call me when you get home. OK, _. A. I must B. I can C. I will D. I may( )2. Jim, _ me a hand. A. gives B. is giving C. give D. will give( )3. Let me _ on duty today. A. am B. / C. be D. do( )4. Lets _ our time. A. not waste B. no wasting C. not to was

13、te D. no waste( )5. _ higher, and you will see the house. OK. A. If you stand B. To stand C. When you stand D. Stand( )6. _ forget to write to me when you _ get there next Tuesday. A. Dont; will B. Please; will C. Please; / D. Dont; / ( )7. Please _ do it. A. he B. he let C. let him D. him( )8. _ co

14、me in, please. A. Will B. Do C. Wont D. Did( )9. _ careful! A. Be do B. Do be C. Not D. Not do( )10. _ let anyone open the door. A. Dont B. Will C. Not D. NoB. 情态动词一、我们已经学习的表推测的情态动词有： must/can/could/may/might二、表推测的三种句式：1. 在肯定句中一般用must，can/could，may/might，程度逐渐减弱。 e.g. He must/may/might know the answe

15、r to this question. e.g. You have worked all this week. You must be tired.2. 在否定句中用cant/couldnt (不可能)，may not/ might not(可能不)。 e.g. It cant /couldnt be the headmaster. He has gone to America. (不可能) e.g. He may not/might not know the scientist. (可能不)3. 在疑问句中，一般只使用can/could。 e.g. Could he have finishe

16、d the task? e.g. Can he be at home now?【练习】 Complete the sentences with could, must or mustnt.It is dangerous. You _keep out!These stairs are not safe. You _use them.The rocks are falling down. You _get hit.The river is too deep. You _swim in it.Betty _know what to do , because she did some basic me

17、dical training.巩固练习. 单项选择( )1.Whats wrong_you,Tom? I feel terrible. A.ofB.withC.to D.at( )2.“Dont make me_so long.”said Mr.White. A.waitB.waitingC.waitedD.to wait( )3.Lets ask the teacher for help.She_the answer. A.must know B.mustnt know C.could knowing D.cant know( )4.Can you help me find out_? Ce

18、rtainly.I will do it at once. A.when will the plane take off来源:学科网来源:学科网 B.when the plane will take off C.how will the plane take off D.How the plane would take off( )5.It was_fine weather that they_went swimming. A.such;none B.such;all C.so;both D.so; all( )6.Who_the girl from the fire? A kind-hear

19、ted young man,but he lost his life. A.helpedB.savedC.brought D.save( )7.The students stopped_when the teacher came in. A.talkB.to talkC.talking D.talked( )8._the mobile phone when you are driving.Its dangerous. A.Do answer B.Dont answer C.Doesnt answer D.Not answer( )9.Its hot inside. Why not keep t

20、he door_? A.opened B.openingC. open D.to open( )10.This book is_an exciting story about adventures. A.above all B.in short C.after allD.in all. 用所给词的适当形式填空1.I dont know how to help the injured boy. Lets ask our head teacher.He has some_(medicine)training.2.Eating unhealthy food is_(harm)for you.3.Le

21、ts_(cover)the dining table with this table cloth.4.I often drive fast,but he drives even_(fast).5.My hobby is singing.It can make me_(happily).6.Its impossible_(learn)English well in a short time.7.Where are you going next weekend? I havent decided where_(go).8.Dont_(smoke)here.It says“No smoking”on the wall.9.Please be careful of_(spell)these new words.10.Keep_(quietly),because the baby is sleeping.