4.Ask some of the students to tell us how to make ,accept and refuse an invitation.(板书)

5.Explain the differences between "have to" and "must" by some funny pictures.

6. Sun Ning also invites some one else. Play the recording in 1b and students write the names next to the correct students.

7.Group work.

Student A is Sun Ning. Student B, C, D are his fridends. They try to represent the conversations in 1b.

8.Brainstorm. Ask students to think of other reasons to refuse an invitation with "have to/must".

study for the test

go to the library

practice English

9. Group work. Give students 3 different scenes and give an example to tell students how to make ,accept and refuse an invitation.

A: Can you ....?

B: Sorry, I can't. I must ...

C: Sure, I 'd love to.

D:I 'm not available. I am going to...

10. My friend Anna wants to have a birthday party and she invites some friends. Play the recording in 2a and students check if the friends can come to her party.

11.Students listen to 2b and find out why some of Anna's friends can't come to the p[arty. (listening strategy: pay attention to the changes of persons).

Step 3.Homework.

1. copy new words

2. make a conversation about invitations.

板书：

Make an invitation:

Can you ...?

Accept an invitation:

Sure, I 'd love to.

Refuse an invitation:

Sorry, I can't. I must/have to

I 'm not available. I will/ am going to...