(共21张PPT)
Uint 4 Don't eat in class.
Section A
Learning goals:
1. Learn the rules at school and be able to talk about school rules.
2. Learn “have to”and“must”.
What do these signs mean
rules
eat in the classroom.
arrive late for class.
fight.
run in the hallways.
listen to music in
class.
Don't
[ ] [ai]
[a ]
[ :] [e ]
[ ] [ ]
school rules
祈使句：用来表示请求、命令、建议或劝告的句子。
结构1：Don't +V.
A: Can we_____________________
B: No,we can’t.
We can’t ___________________.
A: So,don’t ___________________.
Speaking
eat in the classroom
eat in the classroom
eat in the classroom
arrive late for class
arrive late for class
arrive late for class
fight
fight
fight
run in the hallways
run in the hallways
run in the hallways
listen to music in class
listen to music in class
listen to music in class
1.Don’t arrive late for class. You must be on time.
2.Don’t run in the hallways.
3.Don’t eat in the classroom. You must eat in the dining hall.
4.Don’t listen to music in class.
5.Don’t fight.
How many rules are these students breaking
What are the school rules
1
2
3
4
5
1a
1b
Listen. What rules are these students breaking
Write the numbers after the names.
Name Peter Amy Mike
Rule
1.Don’t arrive late for class. You must be on time.
2.Don’t run in the hallways.
3.Don’t eat in the classroom. You must eat in the dining hall.
4.Don’t listen to music in class.
5.Don’t fight.
2
3
1
We can’t break the school rules.
1b Listen again and complete the sentences.
1b
Name The rules he/she breaks
Peter Don't run__________________.
Amy Don't eat _________________.
She must eat_______________.
Mike Don't listen to music_________.
in the hallways
in the classroom
in the dining hall
in class
School rules can can't
listen to music______ or in the __________ listen to music in the ________ or _______
eat in the ________ eat in the classroom
------ __________ in class
------ _________ the classmates
outside
music room
classroom
hallways
dining hall
wear a hat
fight with
1b Listen again and complete the chart.
2b
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 ___________class. This
is very important.
John: OK, so we________________. Can we bring
music players to school
Alice: No, we can’t. And we always
_________________________________
John: I see.
Alice: Oh, and we also have to ________in
the library.
2d
Role-play the conversation.
重要的
保持安静
带来
be late for
must be on time
have to wear the school uniform.
be quiet
arrive vi. （不及物动词）到达
get vi. get to +地点
reach vt. (及物动词) reach +地点
Language point:
Typical exercises
in +大地方
at +小地方
- --------------------------------------------------------------
We arrived ______ the village.
We arrived ______ New York.
辨析与拓展
What time does the train _______？
What time do you ususlly ________ to school
He ________Beijing yesterday.
at
in
reached
arrive
get
辨析与拓展
have to must
相同点 都表示必须 不同点 多表示客观存在的环境所限， 即客观要求(无奈)而为之，多译为“不得不干某事”。 多表示主观需要或责任感的驱使有必要或有义务去做某事，多译为“必须”。
可用于各种时态，有人称和数的变化。 没有人称和数的变化
疑问句：Do （Does或Did）＋主语＋have to ＋动词原形＋其他 由must引起的疑问句，肯定回答要用must，否定回答要用needn’t或don’t have to。
用have to或must填空并作答。
1. Do you __________ wash your clothes on Sunday
---No,________.
2. He ________ stay at home and looked after his brother yesterday afternoon.
3. You ____ finish your homework now.
4. They don’t _______ go there today.
5. _____ I practice my guitar every day
---Yes, you______.
---No, you___________.
Typical exercises
have to
I don't
had to
must
have to
Must
must
needn't /don't have to
祈使句是用来表示请求、命令、建议或劝告等的句子。祈使句省略主语。 肯定 形式 do 型 实意动词+副词 Look out! 小心！
Be 型 连系动词be+表语 Be sure to come here on time!
务必准时来这里！
No 型 No+名词/动词-ing No photos! 禁止拍照
No swimming!禁止游泳！
否定 形式 祈使句的否定形式多以do not（常缩写成don't）开头，再加上动词原形。 Don't arrive late for school.
上学别迟到。
Library Rules
1.
2.
3.
4.
Don’t talk.
Don’t eat.
Don’t listen to music.
Don’t take photos.
3a. Write the rules for the school library.
情态 动词 can 表示能力，"会""能" （Unit 1 已学） Can you play the guitar
你会弹吉它吗？
表示允许、许可，"可以"、"能" （在这一课中新学的词义） Can the students run in the
hallways
学生们可以在走廊上跑吗？
We can eat outside.
我们可以在外面吃东西。
否定形式为：cannot或can't。意为不能或者不可能。 I can't tell stories in English.
我不会用英语讲故事。
Mr. Wang can't be here, because he called me at home just now.
王老师不可能在这里，因为他刚刚从家里打电话给我。
1. rule n. 【C】规则，规章，规定
Language point:
school rules 校规
rules at home 家规
traffic rules 交通规则
keep the rules
obey the rules
follow the rules
遵守规则
违反规则
be against the rules
break the rules
2. class 班 ，课
in class 在课堂上
have classes 上课
be late for class 上课迟到
3. Don’t fight . 不要打架．
fight 战斗， 斗争， 作战
fight with sb. 同某人打架
Summary 1
迟到
准时
听音乐
外出就餐
戴帽子
保持安静
be late for
be on time
listen to music
eat outside
wear a hat
be quiet
We have to/ must/ can't...
Summary 1
在图书馆
在上课时
在教室
在走廊
在音乐室
许多，大量
带......来.....
in the library
in class
in the classroom
in the hallways
in the music room
a lot of
bring...to...
School rules:
1. ______ arrive late for class/school.
2. Don’t eat _________.
3. ______ fight.
4. ______ the school uniform.(校服)
5. _______ wear a hat in______.
6. ______ run in the ___________.
7. ______ __________ music in the
classrooms/hallways.
8. Don’t……
Don’t
in the classroom
Don’t
Wear
Don’t class
Don’t hallways
Don’t listen to
Summary 2
Typical exercises 典型性练习
1. Don’t arrive late for______class. We must be____ time.
A. /; on B. the; on C. /; in D. a/on
2. ---I hear you have to run for half an hour every day. ---Right. It’s one of the _______ in our school.
A. choices B. plans C. hobbies D. rules
3. ________ sleep too late. It’s bad for your health.
A. Do B. Not C. Don’t D. Please not
4. _______ away this dirty shirt and bring me a clean one.
A. To take B. Bring C. Carry D. Take
5. --- Mom, can I wear my jeans to school --- No, you _______ wear the school uniform. That’s the school rule.
A. may B. can C.can’t D. have to
