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1、广西医科大学附属小学2017-2018学年度下学期 一师一优课教案课题: 四（下）Module5Unit2课型:新授课、巩固课任课教师邓茜教学内容简析本模块主要学习一般过去时的否，是对一般过去时巩固性和拓展性学习，通过语言学习，使学生能够运用一般过去时谈论过去的事情或情况，对比过去与现在的不同。学生学情分析学生在本模块的第一单元已基本掌握 was, were 的用法，能够运用was和were对过去的事物进行描述。教学目标1. 知识目标：(1)能够熟练运用所学单词：wasnt, werent,clean,dirty.(2)能够熟练运用一般过去时的否定。2.技能目标：能熟练运用一般过去时描述过去的
2、事物。3.情感目标：能够使学生进一步了解事物是发展变化的，要用发展的眼光看待事物，珍惜时间，热爱生活。教学重、难点重点：一般过去时的否定wasnt, werent的用法。难点：wasnt, werent的发音以及am,is are, isnt,wasnt,arent,werent之前的区分和联系。教具学具及多媒体应用希沃白板，课文动画，单词卡片。课 时1教学过程Step 1 Warming up1.ChantI was short. Now I am tall.She was fat. Now she is thin.He was cute. Now he is cool.It was sma
3、ll. Now it is big.They were young. Now they are old.You were so naughty. But you were cute.(复习不同人称后was 和were的用法) 2. 观看Activity 1，学习wasnt 和werent。T:What is this?S:Its a butterfly.T:Is it beautiful?S:Yes.T:It is very beautiful. Was it beautiful then? Lets watch a video.(运用希沃白板逐步展示蝴蝶的生长发育过程，看完视频后引出wasn
4、t，教授wasnt=was not,以及wasnt的发音）出示一些过去和现在的对比照片，引导学生用wasnt进行描述。在练习中引出生词dirty 和clean，让学生在语境中习得生词的意思。出示一对好朋友的对比照片，引出werent，教授werent=was not,以及werent的发音.出示一些过去和现在的对比照片，引导学生用werent进行描述。3. 练习：连线题（找出is, are, isnt,arent的过去式） is-_ sint_ are_ arent_4. 游戏：唱反调(写出下列句子的否定句)1. It was clean. 2.He was strong. 3.She was
5、 shy. _ _ _4. You were clever. 5.They were dirty. _ _Step 2 Presentation1.看Activity 2课文动画（无字幕）2.听第二遍，跟读课文，并完成判断题。（无字幕）1.The grandparents werent young then. （ ）2.She wasnt tall then. （ ）3.The classroom wasnt dirty then. （ ）3.齐读课文。（第一遍看无字幕课文动画引导学生在语境中感知课文大意，第二遍跟读并模仿课文录音，锻炼学生听力及语音语调。三个判断题帮助学生理清课文内容。第三遍
6、齐读课文，在理解的基础上进行朗读训练。）Step 3 Consolidation and Extension1. 试着用否定形式说一说下列句子的同义句1.It was clean. 2.He was thin. 3.She was short. _ _ _ 4.You were young. 5.They were dirty. _ _ (巩固学生对was和 were否定形式的用法和理解)2. 用课文所学句式谈论中国过去与现在的变化。The mens hair is _. The bridge is _.It _ short then. It _ _ then. It _ long. It _
7、 _ .The train is _. The houses are _. It _ _ then. They _ _ then. It _ _ . They _ _ .（用过去与现在中国的对比图片激发学生兴趣，拓展学生思维，引导学生运用所学过去式及其否定形式来描述这些变化。激发学生的爱国热情。）Step 4 Homework1.熟读并背诵课文。2.想一想我们周围过去和现在还发生了哪些变化，模仿课文句型用was,were, wasnt, werent进行描述.板书设计Module5 Unit2 They were young. dirty clean wasnt It wasnt beautiful then. werent They werent clean.
