Unit 4　Don't eat in class-Section A (Grammar Focus-3c)课件(共24张PPT)

(共24张PPT)
Do you know the rules in these places
library
Do you know the rules in these places
dining hall
Do you know the rules in these places
hallways
Do you know the rules in these places
classroom
Do you know the rules in these places
Do you know the rules for the school library
Don’t talk.
Don’t talk.
Do you know the rules for the school library
Don’t eat in the library.
Don’t sing in the library.
Do you know the rules for the school library
Don’t take pictures/photos in the library.
Do you know the rules for the school library
3a Write the rules for the school library.
Library Rules
1. __________________________________
2. __________________________________
3. __________________________________
4. __________________________________
Don’t talk.
Don’t eat in the library.
Don’t listen to music in the library.
Don’t take pictures/photos in the library.
3b Use the words to make questions about the rules. Then write answers according to your school.
Be quiet
Q: ___________________________________
(she / have to / in the library)
A: ___________________________________
Eat
Q: ___________________________________
(he / have to / in the dining hall)
A: ___________________________________
Does she have to be quiet in the library
Yes, she does.
Does he have to eat in the dining hall
Yes, he does.
Listen to music
Q: ___________________________________
(we / can / in the hallways)
A: ___________________________________
Wear a hat
Q: ___________________________________
(we / can / in the classroom)
A: ___________________________________
Can we wear a hat in the classroom
No, we can’t.
Can we listen to music in the hallways
No, we can’t.
3c Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!
1. We can eat in class.
2. We don’t have to come to school every day.
3. …
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 the school uniform at school.
can 能，能够 （表示许可）
—Can I sit here —No, you can’t. 我可以坐这儿吗？
不, 你不能。
can 能，会 （表示能力）
—Can you play basketball —Yes, I can.
你会打篮球吗？
是的, 我会。
have to 必须，不得不
don’t / doesn’t have to 不必
你不必在上午七点前到校。
You don’t have to be school before 7:00.
他们在学校必须做什么呢？
What do they have to do at school？
我们要保持安静。
We have to be quiet.
根据句意，用can和can’t填空。
1. Mr. Green_______ smoke here because there’s a sign on the wall. It says “No smoking.”
2. It’s very hot outside. You______ wear a hat.
can’t
can
3. We _______ eat in the classroom because it’s impolite to teachers.
4. I ______ go to bed after 11:00 on school night.
5. The students _____ read books and magazines in the library.
can’t
can
can’t
用have to或has to填空。
1.We ________ clean our classroom after school.
2.She _________ make her bed after getting up.
3.It’s late. Mr. Beckman ________ go to work by car.
4.Emily and Peter join a music club. They __________ practice the guitar every day.
have to
have to
has to
has to
一、单项选择。
1. ____ listen to music in the classroom.
A. Not　　　　　B．No　　　　　C．Don't
2. Tom，please ____ the classroom now.
A. clean B．to clean C．cleans
3. Let's ____ on time for classes.
A. be B．be not C．are
4. She has to ____ her homework every night.
A. does B．do C．doing
5. Sorry，you ____ play basketball in the classroom.
A. can't B．don't C．don't have to
C
A
A
B
A
二、按要求完成句子。
6. Lily can play the guitar.(改为一般疑问句并作否定回答)
—_____ Lily _____ the guitar
—____，she ______．
7. Jack has to play the piano every weekend.(改为一般疑问句)
_____ Jack ________ play the piano every weekend
8. Be quick.(改为否定句)
__________________________________
9. You can't eat food in class.(改为祈使句)
___________________________________
10. You can't be late for class next time.(改为祈使句)
_____________________________________
Can
play
No
can't
Does
have to
Don't be quick.
Don't eat food in class.
Don't be late for class next time.
11. He has to eat breakfast quickly. (改为一般疑问句)
____________________________________________
12. Play volleyball after class. (改为否定句)
___________________________________________
Does he have to eat breakfast quickly
Don’t play volleyball after class.
13. We can wear sports shoes in class. (改为一般疑问) ___________________________________________
14. Don’t arrive late for class. (改为同义句)
____________________________________________
15. Eric has to do his homework before six. (对划线部分提问)
____________________________________________
Can we wear sports shoes in class
You must be on time for class.
What does Eric have to do before six
三、根据汉语意思翻译下列句子。
16. 请听我说。
Listen to me, please.
17. 保持安静！
Be quiet!
18. 咱们去上学吧。
Let's go to school.
19. 不要在课堂上讲话。
Don't talk in class.
20. 禁止游泳！
No swimming!
Do the other exercises.