Unit 4
Don't eat in class.
Section A(2d-3c)
Don’t eat
in class.
Don’t arrive
late for class
Don’t sleep
in class.
Don’t draw
on the wall.
Don’t talk.
Don’t play
sports in the
classroom.
Don’t fight.
Don’t listen
to music in
the classroom.
school rules
Don't...
Lead-in
Is it John’s first day at school?
____________________
Yes, it is.
How many rules are there at school?
There are 4 rules at school.
_______________________
Read the conversation.
2d
Reading
Our school rules
Don’t
*be quiet in the library
can’t
have to
*be late for class
*bring music players to school
*Wear the school uniforms
Reading
John: Hi, my name’s John. It’s my first day at school.
Alice: Hi, John. I’m Alice. This is a great school, but there are a lot of rules.
John: Really? What are some of the rules?
Alice: Well, don’t be late for class. This is very important.
John: OK, so we must be on time. Can we bring music players to school?
Alice: No, we can’t. And we always have to wear the school uniform.
John: I see.
Alice: Oh, and we also have to be quiet in the library.
Reading
观察句子中have to 的使用，可知have to是由于客观需要而必须、不得不做某事。
结构: 主语＋have?to＋动词原形＋其他
1）一般现在时, 主语是第三人称单数时, 用has?to。
2) 否定形式: 主语＋don’t?have?to＋动词原形＋其他。
一般现在时, 主语是第三人称单数时,用doesn’t?have?to。
Nick? ? wear?a?uniform. 尼克不必穿制服。
doesn't?have?to
Language points
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.
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.
Grammar
情态动词can表示能力 “会, 能”
Can?you?play?the?guitar?? 你会弹吉他吗？
I?can?dance?and?sing.?我能跳舞又能唱歌。
结构: 主语＋can＋_______________
have to意思是“必须、不得不”, 它侧重于客观
上的必要和外界的权威。
结构: 主语＋have?to＋______________
do动词原形
do动词原形
Grammar
Write the rules for the school library.
Library Rules
Don’t talk.
_________________
_________________
_________________
Don’t listen to music.
Don’t eat or drink.
Don’t take photos.
3a
Let's Do It
Use the words to make questions about the rules. Then write
answers according to your school.
Be quiet? (she/have to /in the library)
Q: Does she have to be quiet in the library?
A: Yes, she does.
2. Eat? (he/have to/in the dinning hall)
Q: __________________________
A: __________________________
Does he have to eat in the dining hall?
Yes, he does.
3b
Let's Do It
Listen to music?
Q:_________________________________________
(we/can/in the hallways)?
A:__________________
Wear a hat?
Q:_________________________________________
(we/can/in the classroom)?
A:__________________
Can we listen to music in the hallways?
No, we can’t.
Can we wear a hat in the classroom?
No, we can’t.
Let's Do It
We can eat in class.
We don’t have to come to school every day.
…
Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!
At my dream school, we don’t have to come to school every day. We …
Press conference
3c
Talking
Dear students,
In order to have a good environment (环境), we should have some rules in our school. Here are some suggestions; we hope that all of us can have a look at them.
1. Don’t sleep in class.
2. Clean the classroom every day.
3. __________________________
... Yours ____
假如你是学校的校长,你想制订哪些校规,
将其记录并尝试告诉校长你的想法。
Talking
用所给单词的适当形式填空。
1. Don’t ________(listen) to music in the library.
2. Do we have to ________(clean) the room every day?
3. You can’t ________(wear) sunglasses in the classroom.
4. Please ________(arrive) at school on time (准时).
5. John is often late for _______ (class).
class
listen
clean
wear
arrive
Let's Do It
将下面的句子改为祈使句，每空一词。
1. You can come in.
______ ____, please.
2. I can help you.
_____ me ______ you.
3. You can’t eat in class.
_______ _____ in class.
4. You can’t be late for school.
______ ____ late for school.
5. You can’t take photos here.
____ photos here.
Come in
Let help
Don’t eat
Don’t be
No
Let's Do It
请先将下面两组词配对，再选择合适的搭配与can, can't, don't分别造2个句子。
play with chalks
swim
waste water
listen to music
eat noodles
play games
in the poor
at any time
in music class
in the classroom
on the playground
in the dining hall
can
can't
don't
Let's Do It
本节课学习了祈使句的用法，以及have to的基本用法和否定表达。同时，通过can和can't的练习训练，使学生熟悉利用相关词汇进行口头表达。
Summary
谢谢
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