Unit 4 Don’t eat in class SectionA 3a-3c课件20张

(共22张PPT)
Section A 2
3a-3c
Learn how to use have to/must, can and can’t .
1. 不要在楼道里跑。
______________________
2. 不要打架。____________________
3. 有什么规则？
_________________________
4. 我们必须按时上课.
_________________________
翻译下列句子。
Don’t fight.
Don’t run in the hallways.
What are the rules
We must be on time for class.
5. 我们可以在教室里吃东西吗？
_____________________________
6. 不能。但我们可以在餐厅里吃东西。
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________________________________
7. 我们可以在上课的时候带帽子吗？
_____________________________
Can we wear a hat in class
No, we can’t, but we can eat in the dining hall.
Can we eat in the classroom
8. 他在学校里必须穿校服吗？
__________________________________
9. 你们必须做什么？
_______________________________
10. 在图书馆里我们必须保持安静。
_________________________________
Does he have to wear a uniform at school
What do you have to do
We have to be quiet in the library.
Library Rules
Don’t talk.
__________________
__________________
__________________
Write the rules for the school library.
Don’t listen to music.
Don’t eat or drink.
Don’t take photos.
3a
Be quiet (she/have to /in the library)
Q: Does she have to be quiet in the library
A: Yes, she does.
Use the words to make questions about the rules. Then write answers according to your school.
3b
2. Eat (he/have to/in the dining hall)
Q: ________________________________
A: _____________
3. Listen to music (we/can/in the hallways)
Q: ________________________________
A: _____________
4. Wear a hat (we/can/in the classroom)
Q: _____________________________
A: ____________
Yes, he does.
Does he have to eat in the dining hall
Can we listen to music in the hallways
No, we can’t.
Can we wear a hat in the classroom
No, we can’t.
At my dream school, we don’t have to come to school every day. …
We can eat in class…
Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote forthe Coolest School!
3c
We don’t have to wear school uniforms. …
We can listen to music in lass …
We can eat in the classroom. …
We don’t have to do homework. …
At my dream school, we don’t have to come to school every day. We can eat in the classroom.
We can listen to music in class.We don’t have to do homework.We don’t have to wear school uniforms at school.
祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子, 其主语常是第二人称you,常常省略。祈使句的开头是动词原形。
Look out! 小心！
Wait here for me! 在这等我！ Be sure to come here on time! 务必准时来到这里！
拓展延伸
Listen to music outside.
Don’t listen to music outside.
Do your homework at school.
Don’t do your homework at school.
祈使句的否定形式以do not (常缩写成don’t) 开头, 再加上动词原形。
1. 肯定祈使句的常见句型结构：
① Do型：动词原形+宾语+其他.
Open the door, please.
② Be型：Be+表语. 如：Be quiet!
③ Let型：Let+宾语+动词原形+其他.
(或：Let’s+动词原形+其他.) 如：
Let me help you.
Let’s play tennis.
2. 否定祈使句的常见句型结构：
1. Do型和Be型的否定式：Don’t+动词
原形 / be+其他. 如：Don’t forget me. Don’t be late.
2.警示语：No+名词 / 动词-ing形式. 如：
No talking. No swimming!
1. He has to eat breakfast quickly. (改为一般疑问句)
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2. Play volleyball after class. (改为否定句)
________________________________
句型转换
Does he have to eat breakfast quickly
Don’t play volleyball after class.
练习坊
3. We can wear sports shoes in class. (改为一般疑问) ______________________________
4. Don’t arrive late for class. (改为同义句)
_______________________________
5. Eric has to do his homework before six. (对划线部分提问)
___________________________________
Can we wear sports shoes in class
We must be on time for class.
What does Eric have to do before six
Talk about your school day. What can you do and what do you have to do
Then write them down.