教学目标：
掌握过去进行时态表达的意义及其构成
教学设计过程：
Step 1 Leading-in
（学生活动）展示图片，让学生表达图片中的人正在干什么：What are they doing? 引入本课的学习。
Step 2 Ask and answer
展示图片，让学生描述图片中的学生在画什么？
Step 3 Read and act
（录像演示）播放Lesson 93对话的情景演示，Answer What is Li Lei drawing?
教学新词汇painter
Step 4 Presentation
图片展示，告诉学生Now it’s Wednesday. What did the students do on Monday?
展示对话：
A: What was Li Lei drawing when the teacher came in?
B: He was drawing an elephant.
通过现在进行时归纳出过去进行时的构成。
（学生活动）展示第3部分内容的学习。
Step 5 Practice
（录像演示）情景演示如何描绘图片中的学生在过去某个时刻正在进行的动作，回答：
What was Han Mei drawing when the teacher came in?
What was she drawing on?
（学生活动）展示图片让学生用过去进行时表达图片中的行为。
What was/were Lucy and Lily/the boy/… doing yesterday morning when it rained heavily?
Step 6 Presentation
通过展示Li Lei昨天某些时间段内进行的动作，教学过去进行时的用法。
A: What was Li Lei doing at half past nine yesterday morning?
B: He was reading.
让学生用其它的时间进行练习，并可用其他的人作替换练习，如：Han Mei
Step 7 Ask and answer
（学生活动）Get the students to ask and answer the questions in pairs.
Step 8 Practice
(图片)让学生描述图片中的人物的活动，练习过去进行时的运用。
The man was selling the fruit.
The boys were playing basketball.
Answer these questions:
1. What was the man in the building doing?
2. What were the man by the lake doing?
3. What was the man in the park doing?
4. What were the girls doing? What were the boys doing?
Step 9 Practice
（录像演示）播放过去进行时的情景运用，让学生根据图片进行练习。
Step 10 Exercise
Fill in the blanks with proper tenses:
1. While I_________(peel) potatoes, I_________(cut) my thumb.
2.We just________(go) out when some friends________(call) to see us.
3. When he was a child he_________(live) in the country.
4. While Judy and I ________ (wash) up, she ________ (ask) me to be quiet as our neighbors________(sleep).
看图表达图中的人物正在进行的动作。
Step 11 Homework
1. Finish off the workbook exercises.
2. Do exercises on page 117 in Lesson 95 WB.
3. Do exercises on page 115 in Lesson 93 WB.
4. Talk about what were you doing at a certain time yesterday?
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