Teaching procedures:

I.Lead in

Free talk about what rules should we obey in our life

II. Pre-speaking

1. Show some pictures about the Great wall and ask students to guess and whether have they been there before.

2. Then the teacher invites several students to make a prediction of the dialogue.

II. While-speaking

1. Students listen to the tape and summarize the main idea.

2. Play the tape again and students answer the following questions.

(1) Where are they going?

(2) Can students walk along the edge and why?

(3)what rules should they obey?

3.The teacher reminds students to pay attention to the words like“you must"，"mustn' t”，“because", “you have to”, and"we should”and explains their meanings and the differences.

IV. Post-speaking

Create some situations and students work in groups to discuss what they can/cant or should/shouldn' t do in the situations. And then, teacher choose some groups to share.

V. Summary

Students summarize what have learnt today.

VI. Homework

1. Finish the exercise on the book.

2. Think about the rules they have to obey in family and write it down.

板書設計:略