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【教学重点】 1.通过学习可以简单复述海伦凯勒的生平事迹。
2.用could, couldn’t 来谈论过去能够做的或者不能做的事。
【教学难点】 运用一般过去时态couldn’t、couldn’t介绍某人的生平事迹。
教学方法：
情境教学法、小组合作法、任务型教学法
课前准备：
单词卡片、教学光盘、PPT
教学流程：
Step 1 Warm- up
Greetings.
A Tongue Twister
T：Boys and girls, look at the screen. Can you read the tongue twister? Have a try!
T: Let’s say it together. A good cook could good cookies! Say it quickly.
T: Oh, you can say it well now. As a baby, could you say the tongue twister?(可以用汉语再小声的问下：小时候，你们会说这样的绕口令吗)
T: Oh, you couldn’t.
Look, could, couldn’t (写在黑板上)， You couldn’t say the tongue twister when you were small. Right? 强调下ou的发音，带学生读两遍，然后引出本课的学习目标。
T：Ok, today, we are going to talk about the abilities in the past.
【设计意图】利用绕口令学生尽快进入英语学习氛围，为学生主动参与学习新知打下基础，同时引出本课的学习任务。
Step 2 Learning
Watch and think : What’s the story about?
T: Now, boys and girls, let’s watch a video and think what’s the story about?
学生观看活动二视频。
T: What’s the story about? Who knows?
Ss: Helen Keller.
T: Yes, it’s about Helen Keller. Do you know something about Helen Keller?
Ss:学生用中文或英语讲述海轮凯勒的事迹。
T：Well done. Now, Let’s learn more about her. Now please open your books, turn to page 41.Activity 2 . Read the text by yourself and get the information.
What was her name?
Where was she born? 学习单词：born
When was she born?