英语人教版七年级下册微课教学设计

Don’t eat in class

---Imperative Sentence

杨柳中学张红

Step 1:

lead in:

Guessing Game

（show students some pictures about Imperative Sentence ）

Step 2:

Read and observe

Turn left! Don’t smoke!

Turn right! Don’t play football here!

Go upstairs! Don’t park your car!

Go downstairs! Please don’t eat here!

Please park here! Don’t pick the flowers!

Step 3:

conclusion:

1.祈使句: 是表示请求、命令、建议等句子，只用一般现在时。通常说话的对象是第二人称you, you常被省略。

2.祈使句的结构如下：

肯定：(Please) + do sth.

否定：(Please) + don’t do sth.

3.祈使句的句型：

肯定Be quiet. 1.动原…

Please have a seat. 2. Please+动原…

David, pay attention. 3. 人名，+动原…

否定Don’t be afraid.

Please do not make a noise. 在动词原型前面加don’t否定

Alan, don’t be late.

Step 4:

随堂检测：

1. Jim, _____ me a hand.

A. gives

B. is giving

C. will give

D. give

2. ____ careful, Jenny! There is a tree in front of you.

A. Am

B. /

C. Be

D. Was

3. _____ let anyone open the door.

A. Don't

B. Will

C. Not

D. No

4. —Don’t be late again.

—Sorry, ______.

A. I may

B. I must

C. I will

D. I won’t

5. —Call me when you get home.

—OK, ____.

A. I must

B. I can

C. I will

D. I may

Step 5: 小结

祈使句

•祈使句,无主语, 只用动词就可以.

•表示请求或命令, 加上please表客气。

•如果变成否定句，Don’t开头是规律。

•肯定回答I will, 否定回答I won’t.

Step 6: Free talk: (Students work in pairs:)

Can you talk about the rules in class with Imperative sentences? in class：

1. Be quiet.

2. Please take notes.

3. Listen to the teacher carefully.

4. Don’t eat in class.

5. Don’t fight.

6. Don’t listen to music.

…….

Thank you !