Healthy eating 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ought to \should \need\mustn't \don't have to 等。

2、准确把握情态动词的推测、判断用法。

3、准确把握情态动词在虚拟语气句子中的使用

【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】ought to \ should ; mustn't与don't have to ; mustn't \don't have to \needn't

【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】

1. I __________ you, because I I must be wrong.

A. dare not ask B. dare not C. dare not asking D. dare to not ask

2. There __________ some flowers in the garden.

A. were used to be B. used to be C. uses to be D. used to be having

3. "__________ I take it out?" "I'm sorry, you __________."

A. Could ...couldn't B. Might...might not C. Could...can D. May...can't

4. Amy did best in the English test. She __________ hard last week.

A. must have working B. should have worked C. should work D. must work

5. All the lights are on, Smiths __________ up.

A. must get B. is getting C. must be getting D. would get

6. Come on! We __________ hurry because there isn't much time left.