Unit 4

Don’t eat in class.

Section A

Period 2 (3a-3c)

Do you know the rules in these places?

hospital

meeting room

gas station

Look at the two girls. What are

the differences between the two

expressions?

I’m tired. I want to have a sit.

Can I sit here?

Yes, you can.

I don’t like school, but

the rules let all of us go

to school.

So I have to go to

school.

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!

We can walk out of the class anytime we want.

We can wear what we want.

We may have less homework and more free time.

…

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

don’t / doesn’t have to

必须，不得不不必

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.

3. We _______ eat in the classroom because it’s i

mpolite to teachers.

4. I ______ go to bed after 11:00 on school night.

5. The students _____ read books and magazine

s in the library.

can’t

can

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 c

ar.

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 ______________.

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.