(共88张PPT)
初中英语人教版七年级下册
Unit 4
Don't eat in class
Section A (1a-1c)
学习目标
Key words & phrases:
rule; arrive; be on time; hallway; hall; dining hall; listen to; fight; sorry; break rules; arrive late for class.
Key sentences:
1. Well, we can't arrive late for class.We must be on time.
2. Don'r eat in the classroom.You must eat in the dining hall.
3. Don't run in the hallways.
To talk about rules by using imperatives.
Warming up
What do the signs mean
rules
rule /ru l/ n. 规则；规章
No smoking
No music
Don’t litter
Keep silent
No mobile phones
No eating or drinking
Free talk
What are rules in your class or school
Don’t sleep in class.
Don’t talk in class.
Don’t eat in class.
Read the school rules in the picture.
SCHOOL RULES
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.
Pre-listening
Don’t arrive late for class.
You must be on time.
arrive / ra v/v. 到达
上课迟到
准时
Look and read
Don’t run in the hallways.
hallway / h lwe /n. 走廊；过道
在走廊里跑
Look and read
hall /h l/n. 大厅；礼堂
dining hall 餐厅
Don’t eat in the classroom.
You must eat in the dining hall.
Look and read
listen / l sn /v. 听；倾听
听……
Don’t listen to music in class.
fight /fa t/ n.＆ v. 打架；战斗
Don’t fight.
Look and read
1a
Which rules are these students breaking Write the
number of the rule next to the student.
SCHOOL RULES
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.
1
2
3
4
5
Look at the picture in 1a and practice the conversation.
Don’t run in the hallways.
Sorry, Ms. Clark.
sorry / s ri/ / sɑ ri/ adj. 抱歉的; 难过的; 惋惜的
While-listening
1b
Peter _____
Amy _____
Mike _____
Listen. What rules are these students breaking
Write the numbers after the names.
2
3
4
Listen and read.
Ms. Clark: Hey, Peter. You know the rules. Don’t run in
the hallways.
Peter: Sorry, Ms. Clark.
Mr. Smith: Amy, don’t eat in the classroom. You must eat
in the dining hall.
Amy: Oh, sorry, Mr. Smith.
Mr. Smith: Hey, Mike, don’t listen to music in class. Mike!
Boy: He can’t hear you, Mr. Smith.
Let's watch a video !
Post-listening
1c
Student A is a new student. Student B tells Student A about the rules above.
What are the rules
Well, we can’t arrive late for class. We must be on time.
Can we run in the hallways
No, we can’t.
Can we eat in the classroom
No, we can’t.
注意：can 在此处表示允许。
No rules , no standards.
无规矩不成方圆。
We should obey rules, not break rules.
我们应该遵守规则，而不是违反规则。
remember
Language points
1. What are the rules 规则是什么？
常用短语有：
obey/follow the rules 遵守规章
be against the rules
break the rules
违反规章
rule n. 规矩；规则
rule还可以用作动词, 意为“统治，支配”。
e.g. The king ruled the country 500 years ago.
500年前, 国王统治着这个国家。
arrive v. 到达
2. Don’t arrive late for class. 上课不要迟到。
【用法详解】arrive是不及物动词，具体用法如下：
若接地点名 词，要加介词in或at。 in后接大地方(如城市或国家)。 When did you arrive in Dalian
你是什么时候到大连的？
at后接小地方(如学校、酒店或车站)。 I usually arrive at the bus stop at 6:30 every morning.
我通常每天早晨6:30到公共汽车站。
若接地点副词(here/there/home等)，则不用介词。 My father arrives home late every night. 我爸爸每天晚上很晚到家。
祈使句的否定形式
【用法详解】本句是祈使句的否定形式，结构为“Don’t +动词原形+其他”。祈使句通常省略主语you，以动词原形开头，用于向对方发出指令、请求等。
Read more books, and you will improve your reading skills.
多读书吧，这样你就会提高你的阅读技能。
Don’t answer the phone while crossing the road.
过马路时不要接电话。
must modal v. 必须
3. You must be on time. 你必须准时。
【用法详解】
must 为情态动词，无人称和数的变化。情态动词不能单独作谓语，必须与动词原形一起构成谓语。本句的谓语由“must+be”构成。
e.g. You must obey the school rules. 你必须遵守校规。
【拓展延伸】
must not(mustn't) 意为“禁止”
e.g. You mustn't run in the hallway.
on time 准时
【易混辨析】on time 与in time
on time 按时；准时 指按规定或指定的时间
in time 及时 指不迟到或接近规定的时间
The plane takes off on time.
飞机按时起飞。
An ambulance arrived in time.
一辆救护车及时赶到。
4. Don’t fight. 不要打架。
【用法详解】
（1）fight在句中作动词，意为“打架”，
常用短语：fight with sb.“和某人打架”。
e.g. Don’t fight with the driver in the bus, or you’ll be punished.
在公交车上不得与司机打架，否则你将会受到惩罚。
（2）fight作动词，还有“战斗”的意思。
e.g.They fought against the enemy fiercely.
他们与敌人进行了殊死搏斗。
fight v. & n. 打架；战斗
（3）fight也可作名词，意为“打架；战斗”，短语have a fight (with sb.) 表示“（和某人）打架”。
e.g. It’s not right to have a fight with your friend.
和朋友打架是不对的。
5. Don’t listen to music in class. 不要在课堂上听音乐。
【用法详解】
1) listen 听；用来提醒某人注意，后面不跟事物。
e.g. Listen! Who’s singing in the classroom
听！谁在教室里唱歌？
2) 如果后面跟要听的事物或对象，应跟介词to再跟宾语。
e.g. Listen to our teacher carefully.
认真听老师讲。
【易混辨析】listen, hear 与sound
hear, listen和sound都有“听”的意思，但侧重点不同
1) hear “听说” ， 侧重于“听” 的内容。
e.g.I’m sorry to hear that you are ill.
听说你生病了，我很难过。
e.g.I never heard such an interesting story.
我从来没听过这么有趣的一个故事。
2) listen“听” 侧重于“听”这一动作。
e.g. Listen to me carefully. 认真听我说。
Children like to listen to music. 孩子们喜欢听音乐。
3) sound“听起来”, 它是系动词，后面接形容词或介词等。
e.g. That sounds great. 那听起来真不错。
e.g.It sounds like fun. 听起来挺有趣。
初中英语人教版七年级下册
Unit 4
Don't eat in class
Section A (2a-2d)
学习目标
Key words & phrases:
outside; wear; important; bring; have to; uniform; quiet; school rules; fight with...; have to; eat outside.
Key sentences:
1. We can't listen to music in the hallways, but we can listen to it outside.
2. Can we bring music players to school
3. And we always have to wear the school uniform.
To talk about rules by using some modal verbs.
Rules
family rules
家规
school rules
校规
class rules
班规
违反规则
keep rules
break rules
遵守规则
traffic rules
dining hall rules
交规
餐厅规则
Free talk
Do you know any school rules or class rules
Do you have to obey/follow these rules
Have you ever broken these rules
3. We must +
动词原型
2. Do 型（用
动词原型开头）
rules
1. Don’t+
动词原型
4. We have to+
动词原型
5. We can’t +
动词原型
6. We should+
动词原型
Tree-map
How to express rules
Let's practice
Look and say
Warming up
Do these students break the rules
What should they do
2a
Listen. Check (√) the activities Alan and Cindy talk about.
1. ___listen to music in the classroom or hallways can can’t
2. ___listen to music in the music room can can’t
3. ___listen to music outside can can’t
4. ___ eat in the classroom can can’t
5. ___eat in the dining hall can can’t
6. ___eat outside can can’t
7. ___wear a hat can can’t
8. ___fight can can’t
Activity
√
√
√
√
√
√
√
/ a t sa d/ adv. 在外面 adj.外面的
/we / v. 穿；戴
2b
Listen again. Can Alan and Cindy do these activities Circle “can” or “can’t” above.
1. ___listen to music in the classroom or hallways can can’t
2. ___listen to music in the music room can can’t
3. ___listen to music outside can can’t
4. ___ eat in the classroom can can’t
5. ___eat in the dining hall can can’t
6. ___eat outside can can’t
7. ___wear a hat can can’t
8. ___fight can can’t
Activity
√
√
√
√
√
√
√
Listen and read.
Cindy: What are the school rules, Alan
Alan: Well, we can’t listen to music in the classroom or hallways.
But we can listen to it outside or in the music room.
Cindy: Uh-huh.
Alan: And we can’t eat in the classroom, but we can eat in the
dining hall.
Cindy: Oh. And can we wear a hat in class
Alan: No, we can’t. What else Oh, you can’t fight with your
classmates. That makes the teachers really unhappy.
Cindy: I see.
2c
Student A is Alan and Student B is Cindy. Talk about the rules in 2a.
These expressions may help you
eat outside
eat in the dining hall
listen to music in the music room
listen to music outside
listen to music in the classroom
or hallways
wear a hat
fight
Can we listen to
music, Cindy
We can’t listen to music in the hallways, but we can listen to it outside.
Well, we can’t listen to music in the classroom or hallways.
But we can listen to music in music room.
What are the school rules, Alan
We can’t eat in the classroom, but we can eat in the dining hall.
Uh-huh.
No, you can’t. What else Oh, you can’t fight with your classmates. That makes the teachers really unhappy.
Oh, can we wear a hat in class
I see.
write or draw on the desks write or draw on the wall
use mobile phones sit on the desks
play ping-pong chew gum
play with chalk run around in the classroom
speak or laugh loudly in the classroom
read comic books or picture books in class or in the classroom
Let’s talk about our Class Rules.
Can we...
Yes, we can./ No, we can’t.
Group work
2d
Role-play the conversation.
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.
/ m p (r)tnt/ adj. 重要的
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.
/br / v. 带来；取来
/ ju n f (r)m/ n. 校服；制服
必须；不得不
/ kwa t /adj. 安静的
Read the conversation in 2d and answer the questions below.
1. What are John and Alice talking about
2. How many rules does Alice mention
School rules.
Four rules.
What rules does the school have
Dos
Don’ts
Don’t be late for school.
Don’t bring music players to school.
Wear the school uniform.
Be quiet in the library.
Complete the sentences according to 2d.
1.The students _____ be on time.
2. _____ the students bring music players to school
No, they _____.
3.The students always _________ wear the school uniform.
4.The students also __________ be quiet in the library.
must
Can
can’t
have to
have to
Language points
1. This is very important. 这是非常重要的。
【用法详解】
important为形容词，可作表语或定语。常用句型: It is important (for sb.) to do sth. “（对某人来说）做某事是重要的”。
Doing exercise is important. 做运动很重要。
It is an important meeting. 这是一次重要的会议。
important adj. 重要的
反义词：unimportant; 名词：importance.
2. Can we bring music players to school 我们可以把音乐播放器带到学校吗？
【用法详解】bring为及物动词，反义词为take(带走)。常用结构有：
bring v. 带来；取来
bring
bring sb./sth. to +地点名词 把某人/某物带到某地(后跟地点副词时省略to)
bring sb. sth.=bring sth.for sb. 给某人带来某物
Bring your ID card to school. 把你的身份证带到学校来。
He brings me a big cake. = He brings a big cake for me.
他给我带来了一个大蛋糕。
【易混辨析】bring, take, carry与get
bring 带来；取来 从别处带到说话人这边，多与here连用。
take 带走；拿走 从说话人这边带到别处，多与there连用。
carry 搬运 无方向性，多指搬重物。
get 去拿来 从这边去别处，拿东西再回到这边。
Bring your raincoat here. 把你的雨衣拿到这里。
You’d better take her to hospital. 你最好带她去医院。
Can you help me carry the box 你能帮我搬这个箱子吗？
Please get me my glasses. 请把我的眼镜拿来。
Can we... 我们能……吗？
【用法详解】该句式用于询问是否许可或征求对方同意。
—Can we eat in the classroom
我们可以在教室里吃东西吗？
—No, we can’t.
不，我们不能。
【用法详解】wear作动词，强调状态。其宾语除衣服、鞋、帽子、手套外，还可以是首饰、眼镜、耳机、胡子、假发、奖章等。
You should wear a hat for the party. 这次晚会，你应该戴一顶帽子。
Don’t wear earphones while you are out. 当你在外面时不要戴耳机。
She always wears a pair of glasses. 她总是戴着一副眼镜。
3. And we always have to wear the school uniform. 并且我们得一直穿着校服。
wear v. 穿；戴
【拓展延伸】put on也可表示“穿；戴”，但它强调动作，指把衣服鞋、袜、帽子、手套等穿上或戴上。
It’s snowing outside. You’d better put on your scarf.
外面在下雪。你最好戴上你的围巾。
put on wear
1) have to意为“不得不”，强调“客观需要”。
They have to wear school uniforms every day.
他们每天不得不穿校服。
2) must 意为“必须”，强调主观上的愿望。
It’s late. I must go home now.
天晚了。现在我必须要回家。
【易混辨析】have to与 must
初中英语人教版七年级下册
Unit 4
Don't eat in class
Section A (GF-3c)
学习目标
Key words & phrases:
in the hallways; be on time for; library rules; dream school; don't have to.
Key sentences:
1. We must be on time for class.
2. Can we wear a hat in class
3. Does he have to wear a uniform at school
To learn the imperatives and some modal verbs.
Look and say
Revision
Can we __________________
Don’t _________________.
No, we can’t. We must _________.
arrive late for class
be on time
arrive late for class
Look and say
Can we ____________________
Don’t ___________________.
No, we can’t. We must _________.
run in the hallways
walk
run in the hallways
Look and say
Can we _____________________
Don’t ______________________.
No, we can’t. We must ________ ____________.
listen to music in class
listen to
our teacher
listen to music in class
Look and say
Can we _________
Don’t _______________.
No, we can’t. We must ______
____________________.
fight
friendly to each other
be
fight
Look and say
Can we___________
Don’t _________________.
No, we can’t. We must _______
___________________.
eat in class
in the dining hall
eat
eat in class
Look and say
Can we ______________
Don’t _________________.
No, we can’t. We must ________
___________________.
sleep in class
listen to
the teacher carefully
sleep in class
Look and say
Can we _____________________
Don’t ____________________.
No, we can’t. We must _______
_____________________.
wear a hat at school
wear
the school uniform
wear a hat at school
We can’t _____________.
We must _____________.
We have to ___________.
Can you list other rules in daily life
At school
In class
At home
Presentation
Grammar Focus
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
祈使句
祈使句一般用来表示请求、命令、劝说、号召、警告等。在祈使句中，通常省略主语you，其肯定形式以动词原形开头，否定形式是在动词原形前加don’t。祈使句句尾用句号或感叹号，读时用降调。为表示礼貌，可以在句首或句尾加上please。句末用please时，前面通常加逗号。
肯定句：动词原形 (+宾语)+其他.
否定句：Don’t+动词原形 (+宾语) +其他.
Wear the school uniform on weekdays, please. 上学日请穿校服。
Don’t watch TV before dinner. 晚饭前不要看电视。
Do 型祈使句的构成
肯定句：Be+表语+其他.
否定句：Don’t+be+表语 +其他.
Be careful next time.下次要细心。
Don’t be late for school! 上学不要迟到!
Be 型祈使句的构成
肯定句：Let+宾语+动词原形+其他.
否定句：Don’t+let+宾语+动词原形+其他.
或Let+宾语+not+动词原形+其他.
Let’s have a rest. 咱们休息一下吧。
Don’t let him go swimming. = Let him not go swimming. 不要让他去游泳。
Let 型祈使句的构成
其他类型的否定祈使句
(1) No+v-ing! / No+名词!
No fishing! 禁止钓鱼!
No parking! 禁止停车!
No photos! 禁止拍照!
(2) never 代替don’t 来加强语气。
Never give up! 决不放弃!
情态动词have to与must
We must be on time. 我们必须准时。
Does he have to wear a uniform at school 他在学校必须穿校服吗？
He has to live at school because his home is far away from school. 他不得不住校，因为他家离学校很远。
二者均可表示“必须”，其后均接动词原形。
It’s too late. I have to take a taxi. 太晚了，我必须乘出租车。
I must go now. 我必须现在就走。
have to与must的共同点
have to与must的不同点
have to 强调因客观因素影响而不得不做某事，跟主观意愿无关，通常上下文中会有暗示客观因素的句子，多译为“不得不”。
must 表示因主观需要或责任感的驱使而有必要或义务去做某事，多译为“必须”。
have to 可用于不同的时态，有人称和数的变化，其一般现在时的第三人称单数形式为has to；过去式为had to。
must 一般只用来表示现在，没有人称和数的变化。
have to与must的不同点
have to have to的否定形式为don’t/doesn’t /didn’t have to，表示“不必”。
must must的否定形式为mustn’t，表示“禁止，不准”。
have to与must的不同点
He has to leave school because his family is poor.
因为家里穷，他不得不退学。(受客观因素影响)
We must do something about it.
关于这件事我们必须做点什么。(责任感的驱使)
【拓展延伸】以must开头的一般疑问句的肯定回答用must，否定回答用needn’t或don’t have to。
—Must I leave now 我现在必须离开吗？
—Yes, you must./No, you needn’t (don’t have to). 是的，你必须。/不，你不必。
Look at the pictures in 3a and answer the questions.
1
2
3
4
1. What do the pictures tell us
2. Can we talk loudly/eat/listen to
music/take photos in the library
3. Where can you see these signs
Let's predict
3a
Write the rules for the school library.
Library Rules
1. ____________________________
2. ____________________________
3. ____________________________
4. ____________________________
Don’t talk.
1
2
3
4
Don’t eat in the library.
Don’t listen to music in the library.
Don’t take photos in the library.
wear a hat
Listen to music
Eat
Do we have any library rules in our school Ask and answer in pairs.
Do you have to... in the library
Yes,.../No,...
Be quiet
Pair work
3b
Use the words to make questions about the rules. Then write answers according to your school.
Q: Does she have to be quiet in the library (she/have to/in the library)
A: Yes, she does.
Be quiet
Eat
Q:__________________________________ (he/have to/in the dining hall)
A:__________________________________
Does he have to eat in the dinning hall
Yes, he does.
Q:_________________________________(we/can/in the hallways)
A:_________________________________
Listen to music
Can we listen to music in the hallways
No, we can’t.
Wear a hat
Q:_________________________________(we/can/in the classroom)
A:_________________________________
Can we wear a hat in the classroom
No, we can’t.
the students/have to/clean classroom/every day
she/have to/be at home/before 8 p.m.
she/have to/do morning reading/every day
we/can/arrive at school/late
Make more conversations using these words.
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...
Report
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 school uniforms at school.
Summary
祈使句(重点为否定结构)
情态动词can表“许可”的用法(肯定及否定陈述，一般疑问句结构及肯定和否定回答)
Grammar
情态动词must的句型结构(仅限肯定陈述)
情态动词have to的句型结构(肯定及否定陈述，一般疑问结构及肯定和否定回答)
Thank you!
