I. Preparation

准备

1．检查单词预习情况：教师结合学生读的状况，适当领读，并帮助学生正音。教师根据构词法知识，帮助学生识记单词。

　rainstorm, alarm, go off, begin (began), heavily, suddenly, pick up (the phone), strange

2．复习检查

通过检查"学案"中"新知预习"内容，检查预习效果。 教师领读 温故而知新

II. Presentation

呈现

1. Learning tasks "示标定向"

1）学习并掌握下列单词：

rainstorm, alarm, go off, begin (began), heavily, suddenly, pick up (the phone), strange

2）能正确使用以下常用表达：

be busy doing, so... that, wake up, go off, pick up, wait for, look for, at the time of ...

3）能熟练掌握并使用下列重点句式：

（1）-What was the girl doing at the time of the rainstorm? -She was ...

（2）-What were you doing last night? - I was ...

（3) While you were sleeping, I called Jenny and she helped me.

（4) When you called, I was taking a shower.

2. Leading-in"导入新课"

1）复习现在进行时：

(1) Show the four pictures in Page 33 with PPT and let the Ss guess what the people are doing.

T: What is he doing?

　Ss: He's ...

　doing the homework in the house

　reading in the library

　waiting for the bus at the bus stop

　walking home on the street

(2) 总结现在进行时的构成：is/ am/ are + doing...

(3) 总结现在分词的构成：

一般：waiting, studying, playing

去e：moving, having

双写：running, shopping

2) Ask the Ss "It's 8:15. What are you doing now?" and guide them to answer "We are having an English class." Then ask the Ss "What were you doing at this time yesterday?" Let the Ss look at the class table and try to answer: We were having a ... class.

(1) 过去进行时的构成：was/ were doing

(2) 过去进行时表示在过去某一时刻或某一段时间正在进行的动作。

3) Make a comparison between the two tenses.

时态 现在进行时 过去进行时 用法 表示现在正在进行的动作 表示过去某个时刻正在进行的动作 结构 is/am/are + doing was/were + doing 例句 I am having an English class I was having an English class. 教授目标知识 知识点的输入