Grammar and usage(1): Modal verbs: general introduction板书设计及意图

Module4 Unit2

Grammar and usage

Modal verbs 学习目标

1.

了解情态动词表能力、义务、请求允许及推测的基本功能。

2.

掌握mustn’t与needn’t的区别，shall表命令、允诺、警告、威胁的用法，must, may ，can表推测的区别，运用所学内容，完成

Practices 1,2&3。

3.

结合现实，在语篇中操练巩固情态动词的用法, 完成Practice 4, 进一步拓展所学知识。

课堂环节

一、唱英语歌，找情态动词。

二、学习情态动词can, could, be able to表能力的用法；用can, could, be able to描述自己。

三、1. 学习情态动词ought to/should, have to, must表义务的用法；

2. 分组竞赛一(Competition 1)：用ought to, should, have to, must说出上课时该做什么和不该做什么。

3. 比较mustn’t与needn’t的用法。

Practice 1

Fill in the blanks with mustn’t or needn’t. (1). —Must we hand in our homework today?

—Yes, you_____. /No, you_______. (2). You _________ eat in class. It’s impolite.

(3). You _________go if you don't feel like it.

四、1. 学习情态动词can，could，may，might，shall，will, would表请求、允许的用法；

2. 分组竞赛二(Competition 2)：用can，could，may，might，shall，will, would编关于课后去做什么的短对话；

3. 学习shall表命令、允诺、警告、威胁的用法。

Practice 2 Choose the best answers. (1) —What does the sign over there read?

—“No person _____ smoke in this area.”

A. will

B. may

C. shall

D. must (2) The boss said to the secretary, “ If you work well, you ______ have a rise.”

A. must

B. ought

C. shall

D. would

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(3) The school rules state that no child ___ be allowed out.

A. could

B. shall

C. must

D. may

五、学习might, may, could, can, should，ought to, must表可能性、推测的用法；

Practice 3 Fill in the blanks with must, may or can. (1) The light is on. He _______ be at home. (2) The road is wet. It _______________ (rain) last night.

(3) I’m not sure where she is, she _____ be in Wuhan. (4) You_____ not be hungry . You had lunch only two hours ago! (5) The boys _______________ (play) football on the playground. They are not in the classroom. 六、总结。

七、练习巩固。

1. Practice 4

Complete the following article with modal verbs in brackets. Creating a civilized city--- Xiangtan

To create a clean and beautiful

Xiangtan, the government has taken some measures.

First, bad behavior and habits ______(must, can) be stopped, such as spitting, littering, sticking and so on.

Second, citizens _______(might, ought to) obey the traffic rules. They ______ (mustn’t, needn’t) go across the road at will (随意）.It________ (has to, may) be dangerous to cross the road when the traffic light is red. Those who don’t walk on the zebra-crossing ______(shall, could) be fined( 罚款）20 yuan. As a driver, you ________(mustn’t, may not) stop your car as you like. If you don’t obey the rules, you ______(need, shall) be punished too.

Everyone ______(can, shall) do something for our environment. Better city, better life! 2. 分组竞赛三（Competition 3）：讨论并阐述观点“创建文明校园，作为学生我们该怎么做”。

八、作业Finish the exercises on page29.

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