Grammar and usage(1): Modal verbs: general introductionppt配用优秀教学设计

教案（牛津版）Module 4 Unit2

Grammar and usage

Teaching Aims: 1、

Learn that modal verbs can be used to talk about ability,obligation,certainty or permission, to make requests, suggestions, offers and to give advice. 2、

Enable students to learn that some modal verbs can be used with the continuous form and the perfect form to talk about current affairs or past actions. Teaching Important Points: 1、

Develop the students’ ability of using modal verbs. 2、

How to make students master the usage of modal verbs. Teaching Difficult Points: Develop the students’ ability of using modal verbs and how to make students master the usage of modal verbs. Teaching Methods: Explanation and exercise Teaching Aids: 1.

The multimedia 2.

The blackboard Teaching Procedures: Step one: Warming up

Translate two sentences

1. He can run the 100m sprint in 11 seconds.

2. Can the girl read before she goes to school? Step two: Presentation 一：Ability ought to/should You should be polite to your teacher. You shouldn’t spend so much time playing computer games.

1.表示义务，“应该”，用于各种人称.

作为一个学生，我们应该努力学习，将来报效祖国。

If they start today, they

should arrive there in two days. 2.表示推测，“想必，估计”的意思．

I

wonder

where Mary is. She

should be here now. 3 表示与想象的不一样”照说应该……”

He suggested that I (should) go to shanghai tomorrow.

He demanded that we (should) solve the problem at once. 3.

在某些从句中，表示虚拟语气．

4.

I am surprised

he should eat so little every day. 5.

表示惊讶，忧虑，惋惜等感情色彩．

have to / must

have to 表示客观需求

must

表示主观愿望

Everyone has to go to school at the age of 7 in the country. We must wok hard to make our country strong and rich. You must work hard to win the gold medal. 二：Certainty might/may/could/should/ought to/will /must She might win a medal at the Olympics. She may be at home now. She could read and write at 4. She should come to join us. She ought to/will /must help me whenever I am in trouble. 三：Permission can /could/may/might A: Can I watch the Olympics ? B: Yes, you can./ No, you can’t. A: May I have a look at your photo? B: Yes, you may./ No, you mustn’t.

No, you’d better not. could比can 更委婉，might比may 更委婉

四：Make requests will; can; could; would A: Can/Will /Could/Would

you help me with my

training? B: Yes, I can/will/can/will. 五：Make suggestions Shall we / I

/ he / she / they do some exercise this morning? Shall常用于第一，三人称，表示征求对方意见

A: Shall he come in? B: Ok. 六：Make offers I’ll wash your sports jacket. Shall I get a ticket for you? Shall we carry the books for you ? Shall I clean the blackboard for you? 七：Give advice You should not/ought not to eat a lot before swimming. The students should spend all their time working at their lessons. We should not laugh at those who are in trouble. 八：和其他时态的连用

The boys may be playing football on the playground. The boys may have finished their homework by the time school is over. He plays basketball very well. He must have practiced it

a lot. Our headmaster must have been to USA, for he knows the country so much.

Step3:Homework Do the exercise on the workbook