Unit 6 When was it invented-Section B 3a-Self Check教案（表格式）

教 案
教学基本信息
学科 英语 学段 初中 年级 九年级
单元 Unit 6 课题 When was it invented 总课时数 6
课时 Section B (3a-Self Check) 课型 写作课 授课时间
教学目标及教学重点、难点
教学目标： At the end of the class, the students will be able to： summarize the passive voice of the past tense. think about your problem and think of the new invention to solve your problem. 3. write a passage to describe your invention.
教学重点： 1. Key vocabulary: professional, nearly take notes, come up with, lead to... 2. Key sentences: a. This is because sometimes a few people may invent things which are nearly the same. b. It’s hard to tell who came up with the idea first. c. So some people doubt whether the inventor came up with the idea himself or herself. 3. Structure: be+past participle
教学难点： Write a passage about an invention.
教学过程(表格描述)
教学环节 主要教学活动 设置意图
Step 1 Review (PPT 3-5) 1.Guide Ss to review the the passive voice of the past tense. 2. Make Ss read and remember them. 引导学生复习过去式的被动语态，为写作做铺垫。
Step 2 Warming-up (PPT 6-8) Show some pictures about inventions in our life for Ss to look. 2. Encourage Ss to think of more inventions and try to talk about them. 通过观察生活中的发明并讨论，导入3a。
Step 3 Writing (PPT 9-12) Work on 3a,3b. 1. Ask Ss to read the the instructions in 3a and then think of something that they do not like to do.Then think of an invention that could help them. Make notes. 2. Make Ss discuss their inventions with partners. 3.Ask Ss read the instruction of 3b. Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 4. Remind Ss to use the given structure to write a passage. Pay attention to the passive voice. This special pen was invented by Liu Jie. It has three colors and is used for… 5. Choose one of the good passages and show it to other Ss. 6. Underline the good sentences and correct the errors. 运用3b分组讨论生活中遇到的问题、发明和它的作用，为3b的写作提供素材。根据所提供的句式、文章结构写出短文， 并进行短文点评， 指出经典句子。
Step 4 Practice (PPT 13-22) Show Ss some more pictures of inventions to look and ask them to write another passage about Smart and creative inventions. 另外让学生练习写一篇关于智能的有创意的发明文章。
Step 5 Self Check (PPT 23-27) Task1 Ask Ss to read and review the words in the box. Fill in the blanks on their own. In pairs,correct the work of each other. Read aloud the passage. Task 2 1. Ask Ss to say how to write a passive voice sentence simply. 2. Ask some Ss to write the sentences on the blackboard.Other Ss rewrite the sentences on their own. 3. The class look at the blackboard and check. 4. Read and translate them into Chinese. Task 3 1.Make Ss read the instructions and understand how to work. 2.Guide Ss to think back of the inventions in this unit.Quickly and simply describe them. 3.Ask Ss to choose one invention to finish the writing. 训练学生熟练运用所学的重点单词和重点句型。
Step 6 Exercises (PPT 28-34) Practice the language points and grammar by doing these exercises. 用词型填空、句型转换和完成句子等形式练习本单元所学的重点单词。
Step 7 中考链接 (PPT 35) Do exercise to practice was/were +Ved 精选中考题练习过去时的被动语态。巩固本单元所学的重点语法内容。
Step 8 Homework (PPT 36) 1.Write an article about your favourite invention. 2.Do some exercises about passive voice. 3.Preview the new words in the next unit. 作业复习本单元所学的语法和语言点为主，并预习新单词等。
板书设计 Unit 6 When was it invented Section B (3a-Self Check) (
Sample
This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip that can store a list of common words that you will use. You can program the words you will use often into the microchip
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s memory, then assign a short form to each word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.
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教学反思 1. 本课时写了一篇开放性的作文。写作之前对重点词汇、句型、语法的复习尤为关键。 2. 引导学生写作时要正确运用被动语态。