祈使句微课PPT

Guessing Game Don’t park your car here!
Guessing Game Please don’t eat here!
Guessing Game Don’t pick the flowers!
Guessing Game
Go upstairs!
ຫໍສະໝຸດ Baidu
Guessing Game
in class
Can you talk about the rules with Imperative sentences?
in class
1. Be quiet. 2. Please take notes. 3. Listen to the teacher carefully. 4. Don’t eat in class. …….
在动词原型 前面加 don’t否定
Let’s do exercise.
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.
Please park here! Don’t pick the flowers!
Draw the conclusion (得出结论)
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。
祈使句的结构如下： 肯定：(Please) + do sth. 否定(：Please) + don’t do sth.
5. —Call me when you get home. —OK, ____. A. I must B. I can C. I will D. I may
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.
祈使句
Guessing Game Turn left!
Guessing Game
Turn right!
Guessing Game Please park here！
Guessing Game
Don’t smoke! No smoking!
Guessing Game Don’t play football here!
Go downstairs!
Read and observe(观察)
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!
祈使句的句型：
肯 Be quiet.
1.动原…
定 Please have a seat. 2. Please+动原…
David, pay attention. 3. 人名，+动原…
Don’t be afraid.
否 定
Please do not make a noise.
Alan, don’t be late.
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