牛津译林版八年级上英语Unit4 Study skills 教案

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1、Unit 4 DIY Study skillsI. Teaching aims and learning objectivesBy the end of the lesson, students should be able to:1. master the usage of the prefixes un-, in- and im- ;2. use the suitable adjectives in contexts, and express positive or negative meanings by using the right prefixes.II. Teaching con

2、tents1. New words and phrases: certain, active, possible, tidy, tidy up2. The prefixes un-, in- and im-III. Focus of the lesson and predicted area of difficultyUse the suitable adjectives in contexts. Express positive or negative meanings by using the right prefixes un-, in- and im-.IV. Teaching pro

3、ceduresStep 1 Lead-inShow the pictures and introduce the target wordsT: Boys and girls. Lets look at this picture. These boys like playing basketball. They are active in doing sports, but they are not active in study. Here “not active”, we can also say “inactive”.T: Look, he is happy but he is not h

4、appy, or we can say unhappy.T: I will finish my homework as much as possible. But its not possible for me to finish all of it. We can use “impossible” to replace “not possible”.T: Millies mom is on business. Look her bedroom is not tidy. Can you help her make the room tidy? So we can use “untidy” to

5、 replace “not tidy”.【设计意图】以图片自然导入新课。Step 2 Presentation1. Introduce the prefixes to the studentsT: All these words are opposites and these are prefixes. So we can add “un-”,“im-”, “in-”before an adjective to express the opposite meaning.2. Show the rules and offer more examplesT: For most of the adj

6、ectives, we add “un-” to make it opposite. Lets see. T: These words begin with “p”. If the adjective begins with “p”, we usually add “im-” before it.T: But some adjectives are special. You should add “ in-” before them to make the opposite meaning.【设计意图】通过设计带有前缀的题目，引导学生去观察、思考、感悟和猜测其词义，并且让他们找出构词的规律来，

7、激起学生学习的兴趣。引导学生自我探究、举一反三、触类旁通，发现列举形容词的共同点，并发现更多类似的词，启发引导学生回忆含有此类构词法的词汇Step 3 Practice1. Fill in the blanks T: Can you remember the words and rules? OK! Lets check your memory. I think all of you can do a good job. We can add “ir” or “dis” before an adjective to express the opposite meaning.2. Correct

8、 the words in the conversationRead the conversation below. Add the correct prefixes to some of the adjectives so that all the sentences make sense.T: Boys and girls, here are some conversations. Can you add the correct prefixes to the adjectives so that all the sentences make sense?3. Complete the s

9、entencesDiscuss with your partners about how to behave properly in class or school, and then finish the sentences. 4. Complete the passage T: Here is a story of the twins, but some of the words are missing. Please read the story and then complete it. Dont forget to use the words with prefixes. 【设计意图

10、】了解基本规律后，迅速对所学的前缀做巩固练习，这样能更深刻的记忆所学的词的前缀。给学生不同类型的练习来巩固所学知识。遵循任务梯度性原则，设计任务做到由易到难，由浅入深，让所有学生都能理解和掌握构词法，最终学生根据上下文，完成语篇练习。Step 4 ActivityPlay a game: a magic boxT: Here is a magic box with nine cards, and under each card there is a task for you to finish. Choose any of them and finish the task. After you

11、 finish all the tasks, there is a big surprise for you! Believe yourself. Just have a try! 【设计意图】设计时以学生已有的知识经验和学习能力为基础，通过小组合作学习，使得学生的口语表达和交际能力也有不同程度的改善或提高。Step 5 ConclusionSum up the rulesFor most of the adjectives, we add “un-” to make it opposite. (unkind, unhappy, unlucky )If the adjective begins

12、 with “p”, we usually add “im-” before it. (impossible, impolite )But some adjectives are special. You should add “in-” before them to make the opposite meaning. (incorrect, inactive )V. Homework1. Remember all the negative prefixes.2. Try to find out some other negative prefixes.3. Preview the TASK part.