1) 进一步学习运用所学的知识来表达邀请；学会有礼貌地答复他人对自己的邀请。

　　2) 掌握情态动词can来表达邀请；运用情态动词have to, must, might等有礼貌地说明拒绝他人邀请的理由。

2. 教学难点：

1) 能熟练进行邀请及应答。

2) 运用情态动词have to, must, might等有礼貌地说明拒绝他人邀请的理由。

三、教学过程

Ⅰ. Warming- up and revision

1. Have a dictation of the new words learned in the last class.

2. Ask some Ss to invite some Ss to his/her party. The partners give some answers.

S1: Can you come to my party?

S2：Sure. I'd love to.

S3: Sorry, I can't. I have to look after my sister at home.

S4: ...

3. Role-play the conversation in 2d.

Ⅱ. Grammar Focus.

1. 学生阅读Grammar Focus中的句子，然后做填空练习。

① ─星期六你能来我的聚会吗？

─____ you _____ to my party on Saturday?

　　─当然，我乐意来。Sure. ____ _____ _____.

　　─对不起，我必须为数学考试而学习。

　　　Sorry, I _____ _____ _____ a math test.

② ─ 明天晚上你能去看影剧院吗？

─ _____ you ____ to the movie ___________ night?

─当然可以，听起来很棒。

─ ______, that _______ ________.

　 ─ 恐怕不行，我得了流感。

─ I'm ______ not. I have the ______.

③ ─ 他能去聚会吗？

─ _____ he ______ to the party？