英语必修5译林牛津版unit 3优秀导
学案(6-1) period 6 grammar and usage 课时 :5课时《学习目标》 1. learn the functions of v-de form in sentences. 2. enable the students to master the usage of v-de form 《重点难点》. 1. why should we use v-de from? 2. how do we use v-de form? 《学习方法》 1,预习课本p48,p