Students are in their senior grade one year. They are ready to interact with teachers and students. Since students have already learned the other three none clauses, they have gained some basic grammatical knowledge of none clause. They are not familiar with the appositive, so they may find it hard to understand the appositive clause. Some features of the appositive clause should be introduced and put into practice.

重点难点

1. How to help students to use the correct structures of the appositive clause in different situations and the usages of different conjunctions.

2. How to cooperate with other group members to finish an invitation letter.

e should be introduced and put into practice.

【导入】Lead in

【讲授】summary