Unit 1 Festivals around the world 编号003

【学习目标】掌握情态动词的概念、分类和用法

【教学重点】1、 准确把握情态动词本身的意义和用法。如 can\ could \may\ might \will would \shall\dare\need等。

2、准确把握情态动词的推测、判断用法。

【教学难点】1、了解常见情态动词的语法特征、语义特征及相互区别

2、能够根据上下文的意思来确定情态动词的应用

【知识链接】 can \could 与be able to ; would 与used to

【自主预习】 可以参考资料思考一下问题：

　　　　　　⑴ 情态动词有没有人称、数的变化？

　　　　　　⑵ 情态动词有没有过去形式？即使有，是真正的过去意义？

　　　　　　⑶ 情态动词可以单独作谓语？其后面的形式有哪些？

【自学检测】改错

1. Could you lend me a book ? No, I can't .

2. He musts have been sleeping all the night .

3. He can is very forgotful sometimes .

4. May I use your telephone ? No , you may not .

5. If you may , you do it .

6. Must I go there now ? No . you mustn't .

7. I suggested that he would go to see the doctor .

8. Will you like to go to the cinema ?

9. You needn't to waste time in helping his English .

10. I wish you happy , don't I ?

【预习疑问】

【课堂探究】

1. can could ; be able to

观察： ⑴ I can speak fluent English now, but I couldn't last year .

　　　　　　现在我能流利说英语，但去年我不能。

⑵ Could\ Can I ( you ) lend Mary a pen ? Yes, of course .

　　　　　　我可以借给玛丽一支笔吗？当然可以了。

⑶.He is a quiet boy , but he can be very naughty sometimes .

他是一个文静男孩，但可能他有时也淘气。

⑷ Who can have done it last night ? It can't be Tom.

昨晚谁可能做这是？不可能是汤姆。

⑸ I can't agree more .我非常同意。

⑹ You can't be too careful .你越仔细越好。

⑺ He could have passed the exam . 他本可以通过这次考试的。

用法小结：⑴

⑵

⑶.

⑷

⑸

⑹

⑺

2 may \ might

观察：⑴ May|Might I come in and wait ?-No, you mustn't (you'd better not ).