Grammar and usage(1): Modal verbs: general introduction公开课教案

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 1 Lead-in Ask students to read a short passage and try to find out any modal verbs appearing in it . Step 2 Picture talking and presentation Let students read the sentences beside the pictures including modal verbs as many as possible. My son can walk by himself now.But he couldn’t walk few weeks ago. --- Mum, can/ could I watch the NBA? - No, you can’t. Can this news be true? It can’t be true. Conclude : ‘can’ is used to express general ability to ask for a permission (informal) to express possibility / impossibility ? Liu Xiang must train hard to win the gold medal again. Must I win the gold medal? Yes, you must.No, you needn’t Do you know who he is?He must be Sun Haiping, Liu’s coach.

Conclude : ‘must’ is used to express certainty to express necessity

to make a strong recommendation

My son might think that Liu Xiang looks handsome. My son may win a medal at the Olympics many years later. May/ Might I come in? Yes, you may. No,you mustn’t.

What's the different? When might is used, it shows that the speaker is uncertain whether he or she will do. When may is used, it shows that the speaker is a bit more certain than might. If we use will, we mean we are quite certain that we will do . If we use must, we are almost certain to do. might may will must Step 3 Competition Divide the whole class into several groups.each member try to answer the question quickly to gain points for his/her group,the peseon who gets the highest scores will be MVP. Task 1 Liu Xiang ____ (肯定)be tired now, he has trained all day long. Do not swim here! You_______ swim here. It’s necessary for you to study hard.You ____ study hard. Task 2 Use a suitable modals to complete the sentences. a. Do you have the ability to swim? ____ you swim? b. Is it ok if I use your phone? _____ I use your phone? c. It’s possible it’ll rain tomorrow. It ________ rain tomorrow. d. That isn’t a bird. It’s impossible. That ____ be a bird. e. It’s necessary that you speak English everyday. You ____ speak English everyday. Task 3 Watch a video about the Olympic games! Could you use one sentence in the reading part to describe this scene? In 1984，the whole of China when Xu Haifeng won the first gold medal for our country. We use must + have done to talk about possible past actions. (过去可能做过的动作

：“肯定做过……” ) Task 4 Liu Xiang must have felt excited when he won the first gold medal in 110m hurdles. XXX must have ______ when _________________. Task 5 Please complete the sentences using your own words. 1. Xu Xilong was not in our classroom yesterday afternoon. He must have _________. 2. --- What is your class teacher doing now? --- I don’t know. He may be __________.

Step4 Practice Ask students to read the instructions for the exercise on page 29, complete the article individually, and then check the answers in class. Ask students to give reasons for each choice they make. Step 5 Homework 1.You would write a short story about a well-known athlete you like best. 2.You would use the modal verbs you have learnt this lesson or others appear on P28..