Unit 5 What were you doing when the rainstorm came?
The First Period: Section A (1a-1c, 2a-2d)
Teaching aims（教学目标）
1. Talk about past events.
2.Learn to tell a story.
Language points（语言点）
要求掌握以下句式： What were you doing when the rainstorm came?
I was doing my homework at home.
2．要求掌握以下词汇：
1）介词短语：inthe library, in (my) house, on the street, at the bus stop
2）名词：rainstorm, umbrella, alarm
3）副词：heavily, suddenly
( 4 ) 动词和短语：begin, go off, pick up, wait for, miss the bus, take a hot shower, look for
（本节课的生词较少，而且单词的拼写比较简单，所以学生学起来不会感到困难，如果班级学生的水平较高，可以鼓励学生当堂掌握。）
Difficulties（难点）：过去进行时的正确使用及when 和while 的用法区别
Teaching steps（教学步骤）
