Step 1 情景导入
T：In this module， the main language aim is to understand adverbial clauses of time and to be able to make adverbial clauses with after， as soon as， before， since， until， when or while.Who can make sentences with since, until,as soon as, when or while?
S1：…
S2：…
2.让更多的学生造句，教师点评，纠正错误。
环节说明：此活动的目的是巩固所学语言点，同时提高学生口语的表达能力。引出本模块的语法知识。
