人教新目标(Go for it)版 九年级全册Unit 4 I used to be afraid of the dark.教案

Unit4 I used to be afraid of the darkness.
Teaching aims and demands:
1. Aims on ability
学生通过完成单元话题语法任务，准确、熟练地运用本单元目标语言：used to do.能正确使用目标语言谈论和描述自己现在和以前在外貌、性格、爱好等方面的变化。
2. Aims on knowledge
学生通过本单元话题语法任务，发展话题语法能力，提高综合语言运用能力。
3 .Aims on emotions
学生通过完成单元语法学习任务，培养思维的广阔度和创造性。
Teaching importance and difficulties:
单元话题语法,基于本单元的话题：Talk about what you used to be like.用一些相关联的图片和阅读材料启发学生思考，激发想象，限定话题范围内的写作。重点培养学生的写作能力，提高学生的综合语言运用能力。
Learning strategies: self-learning
Teaching tools: blackboard, and multi-media computer
Teaching method: Task-based language method.
Teaching procedures:
Step 1:Lead in
Talk about the teacher according to the pictures。
T: This year,lots of changes happened to me ...
设计意图：通过让学生观看老师过去与现在的对比图片,引导学生进入学习情境，还有教师本人的相片对比，不仅激发了学生的学习兴趣，满足了他们好奇的心理特征，而且可以让学生使用本单元句型简单谈论人物的外貌变化，使他们迅速投入到课堂学习活动中，为深入思考做好充足的准备工作。
Step 2: Comparison
According to the pictures. Please compare the differences and try to find more detail and more points.
设计意图：为学生发现语法特点准备工作。使学生的思维更开阔，为接下来的写作做好铺垫。
Step 3: the usage of used to do
Showing examples
We use “used to do” to describe:
A.things we often did before, but now we don't do
B.things we liked to do
C.things we wanted to do
结论：used to do...表示“过去常常做某事”（即现在已经不做了）, 只有一般过去时。
设计意图：通过一个对比分析,让学生熟练运用used to 句型表达人物在外貌、性格爱好等方面的变化，为后面的练习做准备。同时能够再次激发学生探索的兴趣及表达欲望。
Step 4： The forms of used to do...
1. 肯定句 (Affirmative Form)
I used to get up at 7 o'clock in the morning.
2. 否定句 (Negative Form)
I didn't use to read English books often.
3. 一般疑问句 (Yes/No Question)
___you_______get up at 7 o'clock in the morning
Yes, I did.
No, I didn't.
结论：只有used的形式发生了形式变化
used to 后面都跟__________
设计意图：在问题引领下，培养学生独立思考的意识和连贯的语言表达技巧，搭建语法框架。
Step 5: Let's practice !
Before, we ____________ blue school uniforms. (wear)
But now we ________ red school uniforms.
1.Fill in the blanks
____you ______________English in the morning (read)
No, we___________________ English in the morning.
We______________________at that time.
But now we must read English in the classroom.
2.Right or wrong？
1.I was used to play soccer every day, but now I don't play it.
2.She didn't used to have long curly hair.
3.My father used to smoking a lot , but now he gives it up.
4.Did you used to be afraid of high places
设计意图：通过具体的分层练习，促使学生形成思考力掌握目标语言，突破重难点。
Step 6：Summary
1. used to do...表示“过去常常做某事”（即现在已经不做了）。
2.它有三种形式：
肯定句 sb. used to do...
否定句 sb. didn't use to do...
疑问句 Did sb. use to do...
3.只有一般过去时,只有used的形式会发生变化
4.used to 后面的动词使用原形。
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