《高中英语公开课课件-语法.ppt》由会员分享，可在线阅读，更多相关《高中英语公开课课件-语法.ppt（47页珍藏版）》请在三一文库上搜索。
1、Welcome!,Maria. Suzhou, China 2012.4.11,Theme-based Grammer Learning,(Modal Verbs),Maria. Suzhou, China,Learning goals: At the end of this lesson, you will be able to * master the general meanings and functions of modal verbs: can(could), may(might),must, ought to; * write a composition entitled “Sa
2、ve Taihu Lake“ through theme-based grammer learning; * arouse awareness of water protection.,；,1.Ability (能力):,Liu Xiang _ run the 110m hurdle race within 13 seconds.,can,Im so tired! I have to do the training for at least 10 hours a day!,2.Obligation (义务):,yet he _ work hard to win the gold medal.,
3、Although Liu Xiang is so gifted in hurdle race,must,Attention:,advisability,necessity,ought to/should,have to,must,Your mother brings you up and takes good care of you, so when she is old, you _ look after her in return.,A.can B.may C.have to D.must,Shi Dongpeng _ win a medal at the Olympic Games.,A
4、lthough the chance of winning a medal is small, Ill try my best!,3.Certainty (可能性),might,Attention:,very uncertain,almost certain,might,must/cant,may,could,ought to/should,1.He _ be at home.,2.He _ be at home, for he just called me from his home 15 seconds ago.,A.may B.might C.must,A.may B.might C.m
5、ust,(can),4.Permission (允许):,_ I eat KFC if I win the gold medal?,May,5.Making requests (提出要求):,_ you help me with my training?,I dont know how to use this equipment!,will can could would,informal,formal,Can,6.Making suggestions (提出建议),_ we do the training in the morning?,Its too hot to take exercis
6、e in the afternoon.,Shall,7.Making offers (提供帮助):,Dont worry, dear, I _ wash them right away.,Mom, my dirty clothes have been piled up! I dont have time,will,8.Giving advice (提出意见):,You _ eat so much before running.,How delicious!,should not / ought not to,We use modal verbs to talk about:,1. Abilit
7、y （能力） 2. Obligation （义务） 3. Certainty （可能性） 4. Permission （允许） 5. Make requests（提出请求） 6. Make suggestions（提出建议） 7. Make offers（提供帮助） 8. Give advice（提出意见）,JackI have good news for you! RoseWhat? JackThe educational department has carried out rules to reduce students too much study load. RoseReally?
8、If so, I dont _ stay up late to do so much homework and my mom _ allow me to play computer games. JackThe best thing I think is that I _have more spare time to take exercise after class. RoseSure. By the way, who is your favorite sports star? JackLiu Xiang, I _say. RoseTell me something about him. J
9、ackNo problem.,have to,can,may,should,can, may, must, should, have to,1. What is followed after modal verbs? A. to do B. do C.doing D. done 2. The negative form ? 3. Classification 1). modal verbs: can(could), may(might),must, ought to 2). modal verbs & notional verbs(实义动词): need, dare 3). modal ver
10、bs & auxiliary verbs(助动词): shall(should), will(would) 4). have(had) to, used to,Modal verbs:summary,modal verb + not,Use modal verbs to talk about Water Crisis,drought,Polluted Water,Peoples wish,Meanings behind the pictures,It is a group of pictures about _ (水资源危机). From the pictures we can see wat
11、er shortage is serious and people are suffering from p_ and d_. clip,water crisis,rought,ollution,What have caused the water crisis?,What should have caused the water crisis? There mustnt be one single anwser. Some say rapid economic growth and rising demand for water resources may create a water sh
12、ortage in the past ten years. Others firmly believe that industrial and agricultural water pollution could be the most dangerous factor as it poses a serious threat to water quality.,_,_,_,_,could,cant,may have created,must,Causes of the Water Crisis What could have caused the water crisis? There ca
13、nt be one single answer. Some say rapid economic growth and rising demand for water resources may have created a water shortage in the past ten years. Others firmly believe that industrial and agricultural water pollution must be the most dangerous factor as it poses a serious threat to water qualit
14、y.,_,_,_,_,_,Making references(表示推测),eg. What could have caused the water crisis? eg. Economic growth and rising demand for water resources may have created a water shortage in the past ten years. 1). Make references about things happend modal verb + _ A.do B. be doing C. have done ,Making reference
15、s,eg. There cant be one single answer. eg. Industrial and agricultural water pollution must be the most dangerous factor as it poses a serious threat to water quality. 2). Make references about the present and future situations: modal verb + _ A.do B. be doing C. have done,eg. Since you are so curio
16、us about the usage of modal verbs, you must be listening very careful now. 3). Make references about what is happening now: modal verb + _ A.do B. be doing C. have done,Expressing regrets,1. We ought to have planted more trees. 1). 当刷牙的时候我们本不该让水一直流. We shouldnt have left the water running when brush
17、ing teeth. 2).(2011全国卷,32)They _ have arrived at lunchtime but their flight was delayed. A.will B.can C.must D.should,2. We could have taken actions earlier. eg. 人们本来能够保护太湖水不受污染. We could have protected the water of Taihu from being polluted.,eg. 我们一定是做了违背自然规律的事情,不然不会遭受水危机之苦. We must have done somet
18、hing against nature, or we neednt have suffered so much from water crisis.,1. 他一定是完成作业了, 不然他不会在那看电视. 2. 我本来应该更加努力, 那样我就能顺利通过考试了. 3. 你本来能够做的更好的, 但你太粗心了! 4. 她昨天缺席会议,否则她或许会说些她后来感到后悔的事情的。,He must have finished his homework, otherwise he wouldnt be watching TV there.,I should have studied harder, so that
19、 I would have passed the exam.,She was absent from the meeting yesterday, or she might have said something she would regret later.,You could have done it better, but you were too careless !,1. I saw Mary in the library yesterday. -You_ her. She is still abroad. A. mustnt see B. cant have seen C. mig
20、ht not have seen D. couldnt see 2. -When can I come for the photos ? I need them tomorrow afternoon. -They _be ready by 12 : 00 . A. can B. should C. might D. need 3. They_ be doing the experiment in the lab. Why？ Because the lights are still burning. A.could B.can C.must D.would,Consolidation,4.（20
21、11北京卷,24）I dont really like James. Why did you invite him?Dont worry. He _ come. He said he wasnt certain what his plans were. A. must not B. need not C. would not D. might not 5. （2011陕西卷,22）I _ through that bitter period without your generous help. A. couldnt have gone B. didnt go C. wouldnt go D.
22、 hadnt gone 6. (2010安徽32）Jack described his father, who _ a brave boy many years ago, as a strongwilled man A. would be B. would have been C. must be D. must have been ,Save Water, Save Life Nowadays people show great concern for water cirisis in China. A lot of factors _the water crisis. There _ be
23、 one single reason. On the one hand, the rapid economic growth and rising demand for water resources _ a water shortage. On the other hand, industrial and agricultural water pollution _ the most dangerous factor.,Listening Task,As we all know, water is essentail to human beings. Therefore, effective
24、 measures _ taken immediately to secure our lives.To begin with, the governments of all levels _ formulate rules and regulations. In addition, factories in towns and cities_ forbidden from draining waste liquids into rivers before they are totally treated and purified. Last but not least, each citiz
25、en _ save every drop of water in daily life. Only in this way can we save not only huge amounts of water but also our lives!,Save Water, Save Life Nowadays people show great concern for water cirisis in China. A lot of factors _the water crisis. There _ be one sigle reason. On the one hand, the rapi
26、d economic growth and rising demand for water resources _ a water shortage. On the other hand, industrial and agricultural water pollution _ the most dangerous factor.,Listening Task,might have caused,cant,might have created,must be,make reference,As we all know, water is essentail to human beings.
27、Therefore, effective measures _ taken immediately to secure our lives.To begin with, the governments of all levels _ formulate rules and regulations. In addition, factories in towns and cities_ forbidden from draining waste liquids into rivers before they are totally treated and purified. Last but n
28、ot least, each citizen _ save every drop of water in daily life. Only in this way can we save not only huge amounts of water but also our lives!,should be,ought to,must be,should,give suggestions,Taihu Lake,Polluted Taihu,近几年太湖水危机(富营养严重,蓝藻暴发,水质恶化),引起了人们的高度关注. 请根据以下要点, 写一篇文章介绍太湖水质被污染的问题寻找原因并分析对策. 原因:
29、 1. 化肥流失 2.生活污水 3. 工业污染 措施: 1.政府: 继续开展打捞太湖蓝藻作业 2. 工厂: 严格控制排污 3. 个人: 日常生活节约用水 (字数: 120-150) 蓝藻 blue green algae ldi: 生活污水 domestic sewage 化肥 fertilizerf:tilaiz 富营养 eutrophicationju:.trfikein,sjud,Writing Task,Save Taihu Lake Nowadays people show great concern for water cirisis in Taihu Lake. _ _.,Hom
30、ework: creative writing,Imagin that you are a fish in Taihu Lake. Please write a letter to Suzhou citizens, describing your happy life in the clean, beautiful water and your sufferings in the polluted river and giving your suggestins. 1. use modal verbs as many as possible 2. use lexical chunks we l
31、earn today 3. 120-150 words,Teaching reflection,1. 用激光笔翻页PPT, 注意教态: 不要背对着学生(自己根本没有意识到), 要与学生有眼神和体态的交流! 2. 全英语授课, 语法内容又为情态动词, 学生接受难度比较大.(公开课是否能用中文?) 3. 最缺的: 与学生的互动和交流! 4. 教学内容: 重点不突出! 可删掉所有其他, 只保留情态动词表示对过去的推测的用法! 5.教学设计的时候过多的关注了教学的教, 忽略了学生的学. 6. 学生做题目(翻译和单选), 教师不需要朗读题干. 要调整!,Advantages,1. 语法设计的创新尝试 2. 主题式语法设计, 可以尝试 3. 强调语境, 强调语法项目在具体语境中的语用功能, 是语法教学以后的方向. 4.教学过程本身一点都不紧张, 但还是要注意课堂语言的规范使用. 偶有slip of tongue,Work to contine,如何突出学生的主体地位, 加强课堂的师生互动?,