(共39张PPT)
Section A
Period 2 (3a-3c)
Unit 4
How many rules do you know
What can’t we do at school
We can’t…
School rules
1. Don’t arrive late for class.
2. Don’t sleep in the classrooms.
3. Don’t listen to music in class.
4. Don’t eat in the classrooms.
5. Don’t fight with your classmates.
6. …
library
Do you know the rules in this place
Do you know the rules in this place
dining hall
Do you know the rules in this place
hallways
Do you know the rules in this place
classroom
Do you like reading in a library
Can you make a list of rules there
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
Let’s read these sentences.
Don’t run in the hallways. Don’t fight.
What are the rules We must be on time for class.
Can we eat in the classroom No, we can’t, but we can eat in the dining hall.
Can we wear a hat in class Yes, we can. / No, we can’t.
Can you find something special
Does he have to wear a uniform at school Yes, he does. / No, he doesn’t.
What do you have to do We have to be quiet in the library.
祈使句
1. 祈使句是表示命令、叮嘱、号召等的句子;
2. 通常省略主语you;
3. 句中谓语动词用动词原形;
4. 祈使句有肯定和否定两种：
Don’t eat in class.
Don’t play sports in the classroom.
Don’t fight.
Come in, please! 请进！
Sit down, please. 请坐。
否定
肯定
肯定祈使句 否定祈使句
Sit down.
Come in.
Eat at home.
Listen to music outside.
5. Do your homework at school.
Don’t sit down.
Don’t come in .
Don’t eat at home.
Don’t listen to music outside.
Don’t do your homework at school.
Examples
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
Let’s look at Mary’s Monday at school.
There’s a gym class today. I have to wear_____________.
sports shoes
But there’s a party at school today, so I don’t have to wear __________________.
the school uniform
After school, I have to clean the _____________.
classroom
Talk about your school day. What can you do and what do you have to do
Then make a list.
Let’s talk according to the list.
Can we eat in the hallway
Yes, we can. / No, we can’t.
Do we have to wear a uniform
Yes, we do. / No, we don’t.
1. He has to eat breakfast quickly. (改为一般疑问句)
__________________________________
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.
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
You must be on time for class.
What does Eric have to do before six
