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(共50张PPT)
2. Whose birthday is it
Unit 2 No Rules, No order
Section A
Grammar Focus
人教版 英语（七年级下）
2. Whose birthday is it
学习目标
语言能力
1. 掌握关于规则的词汇和表达；
2. 能够用祈使句描述规则；
3. 能够正确使用情态动词表达命令、请求和建议等。
。
思维品质
通过教学活动的开展，巩固学生的语法基础，让学生在语境中掌握所学祈使句和情态动词的用法，在语法教学中渗透思维品质的培养。
1. 能正确描述规则，如规则内容、违反规则的行为等；
2. 正确使用情态动词表许可；
3. 通过课堂任务让学生能够运用目标词汇与句型进行口头语言输出。
学习能力
通过本节课的学习，让学生能够与同学积极合作，参与课堂活动，大胆实践；引导学生树立规则意识，明白规则在学校、家庭和社会生活中的重要性，自觉遵守规则，培养良好的行为习惯。
文化意识
2. Whose birthday is it
01 情景导入
Scenario import
What are they talking about
Let’s watch a video
2. Whose birthday is it
02 学习理解
Learning to understand
Don’t arrive/be late for class!
Eat in the dinning hall.
Don’t sleep in class.
Let’s look and say.
Play basketball in P.E. class.
Listen to the teacher carefully.
Do homework on time.
Let’s look and say.
Let’s look and say.
Don’t arrive late for school/class.
Let’s look and say.
Don’t run in the hallways.
Don’t eat in the classroom.
Let’s look and say.
Don’t listen to music in class.
Let’s look and say.
School Rules
Don’t eat in the classroom.
Don’t run in the hallways.
Don’t arrive/be late for class.
Don’t fight.
Don’t listen to music in class.
No,we can't.We can't...
Can we…
We must...
But we can...
Choose and make up new sentences.
Don’t smoke!
No smoking!
Talk about rules in our life:
Look at the signs and talk about them in different ways.
Lead in:
Don’t talk aloud!
Be/ Keep quiet!
Don’t take photos!
No photos!
Don’t eat here!
No food/eating!
Don’t fight!
No fighting!
Don’t listen to music!
No music!
Look at these signs and guess their meanings.
No fishing!
Don’t pick
the flowers.
You mustn’t
smoke here.
Don’t fish here!
No picking
the flowers.
No smoking!
rules
No smoking
No music
Don’t litter
No eating
or drinking
Don’ t use your phone in class.
No mobile phones.
Keep
silence
Don’ t talk in class.
Be quiet
in class.
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!
No littering!禁止乱扔垃圾！
(2) never 代替don’t 来加强语气。
Never give up! 决不放弃!
Walk in the hallway. Don’t run!
Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter.
Can we bring our phones to class No, we can’t. We must keep them in our lockers.
Can we eat snacks in class No, we can’t eat in class. We have to eat in the dining hall.
Read the sentences. Do the verbs in bold need to change forms Why
3a
祈使句 (Imperative sentences)
一、含义
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，其肯定形式常以动词原形开头，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，可以在句首或句末加上please。句末用please时，前面通常加逗号。
二、主要类型
Walk in the hallway. Don’t run!
祈使句类型
1. Do型祈使句
肯定句：实义动词原形(+宾语)(+其他).
否定句：Don’t +实义动词原形(+宾语)(+其他).
Be polite and treat one another with respect. Don’t be sad!
祈使句类型
2. Be型祈使句
肯定句：Be+表语(+其他).
否定句：Don’t+be+表语(+其他).
二、主要类型
Let’s go. Let us go.
祈使句类型
3. Let型祈使句
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).
二、主要类型
No smoking ! 禁止抽烟! Don’t be sad!
祈使句类型
4. No+ 动词-ing/名词! 多为公共场合的提示语。
5. Never +动词原形! 多用来加强语气。
二、主要类型
Walk in the hallway. Don’t run!
Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter.
Can we bring our phones to class No, we can’t. We must keep them in our lockers.
Can we eat snacks in class No, we can’t eat in class. We have to eat in the dining hall.
Read the sentences. Do the verbs in bold need to change forms Why
3a
情态动词 (modal verbs)
一、含义
情态动词用于表达说话人的态度、意愿、推测、建议、能力、义务等。没有人称和数的变化；
后面必须跟动词原形来构成完整的谓语。
情态动词can的用法
Can we bring our phones to class No,we can’t. We must keep them in our lockers.
can可表示能力、许可、请求等。其否定形式为can’t/cannot。
1.表示能力，意为“能，会”。
2.表示许可，意为“可以”。
3.表示请求，意为“可以”。
词语 意思 相同 例句
have to 第三人称单数_____ ,疑问句或否定句要借助________,否定形式表示________ 因为他的自行车坏了,他不得不步行去上学。
must 情态动词,否定句mustn't意为_______,否定回答可以用_______或_________ 我们必须努力学习。
我必须打扫所有的房间吗？
(否定回答)
不得不
后跟动词原形
has to
do;does
“不必”
He has to walk to school because his bike is broken.
必须
“禁止”
needn’t
don’t have to
We must study hard.
Must I clean all the rooms
No, you needn’t/don’t have to.
情态动词have to和must的用法
must VS have to
相同点
不 同 点
We have to/must follow the rules.
表示“必须”，有时二者可
互换。
* We must hurry. I don't want to miss
the beginning of the show.
* We have to hurry. The train is leaving
in five minutes.
* must通常表示说话人的主观
看法，语气比较强烈；
* have to往往强调客观需要。
* You mustn't talk to your mother like that.
* You don't have to come if you don't
want to.
它们的否定式含义大不相同。
* mustn't表示“不准；禁止”；
* don't have to表示“不必”。
* I/We/You/They must do something about it.
* I have to finish my work today.
She has to work late today.
They have to clean their room.
* must没有人称和数的变化。
* have to有人称和数的变化。
根据所给提示用can, have to, must 的恰当形式填空。
There is nothing in the fridge. I ________ go shopping now.
It's very warm. You ____________ wear the coat.
have to
don't have to
- _____ we drink water in class
- Yes, we can.
Can
We _______ protect the Earth.
must
Let’s watch!
must & mustn’t
Presentation
1．—Can you speak English, Ling ling
—Yes, I ________.
A．must B．can C．should D．may
2．Lucy is good at basketball. She ________ play basketball very well.
A．can B．can’t C．may D．need
3．－Mary, _________ you speak Chinese
－Yes, only a little.
A．must B．can C．need D．should
4．Come and ________ us!
A．join B．joins C．joining D．to join
单项选择
B
A
B
A
2. Whose birthday is it
03 应用实践
Application Practice
Complete the sentences using can, have to / must, or can't / mustn't.
3b
1. Don’t jump the queue. You ______________ wait your turn.
2. I ______ feed my dog many kinds of food, but I ______________ give him chocolate. It is bad for him!
3. A: Can I leave the classroom if I don't feel well
B: Yes, but you _____ tell your teacher about it when you _________ be absent from class.
4. A: Hey! Can I look at your book
B: Shh, we ______________ talk quietly in the library.
5. A: Can you put on your seat belt We ______________ wear one when we're in a car.
B: Sure. Thanks!
have to / must
can
can’t / mustn’t
have to
can
have to / must
have to / must
jump the queue 插队
wait your turn 等待你的顺序
feed my dog 喂狗
leave 离开
be absent from 缺席
quietly 安静地
put on the seat belt 系上安全带
Look at the first sign and read the rules. Then write the rules for the other signs.
3c
Don’t park.
No parking.
You can’t / mustn’t park.
Don’t take photos.
No photos.
You can’t / mustn’t take photos.
Look at the first sign and read the rules. Then write the rules for the other signs.
3c
Don’t swim.
No swimming.
You can’t / mustn’t swim.
Don’t feed the birds.
No feeding.
You can’t / mustn’t feed the birds.
2. Whose birthday is it
04 迁移创新
Migration Innovation
In groups, brainstorm three rules for one of the places below.
3d
library school dining hall park cinema hospital
In the library, we must keep quiet.
We mustn’t make noise.
We can’t bring food to the library.
We can’t talk loudly in the library.
We have to return the books on time.
…
Gruop Work
Rule - maker
Preparations：
1. Several cards with different scenarios written on them (such as library, school dining hall, park, cinema, hospital etc.).
2.Drawing tools, such as drawing paper, colored pens, etc.
3.A blackboard or a large screen for display.
4.Divide the students into several groups, with 3 to 5 people in each group.
5.Each group sends a representative to draw a scene card to determine the scene where they need to make rules.
Gruop Work
Rule - maker
Rules：
1. Group members use imperative sentences and modal verbs (such as must, mustn't, can, can't, etc.) to make three rules. For example, if “park” is drawn, the rules could be:
You mustn't pick the flowers.
2. Each group draws corresponding signs according to the rules made. For example, for the rule "You mustn't smoke", you can draw like this:
3. Each group sends a representative to display the drawn signs on the large screen and explain to the whole class the meanings of these signs and the corresponding rules.
Gruop Work
规则制定者
准备：
1.若干张写有不同场景（如公园、电影院、医院等）的卡片。
2.绘画工具，如画纸、彩笔等。
3.准备展示用的黑板或大屏幕。
4.将学生分成若干小组，每组 3 - 5 人。
5.每组派代表抽取一张场景卡片，确定他们需要制定规则的场景。
规则：
1.小组成员讨论并使用祈使句和情态动词（如 must, mustn't, can, can't 等）来制定三条规则。例如，如果抽到 “公园”，规则可能是：
You mustn't pick the flowers.（你不许摘花。）
2.每组根据制定的规则画出相应的标识。例如，对于 “不许抽烟” 可以画一支烟加上一个禁止符号。
3.每组派一名代表将画好的标识展示在黑板或大屏幕上，并向全班同学解释这些标识的含义和对应的规则。
（中文版）
2. Whose birthday is it
05 课堂小测
Exercise
1．— Must we sing a song at the party
— No, you ________.
A．mustn’t B．haven’t to C．not have to D．don’t have to
2．It’s snowing. Please ________ warm clothes.
A．wear B．wears C．wearing D．to wear
3．________ in bed. It’s bad for your eyes.
A．Not to read B．Don’t to read C．Don’t read D．Not read
4．It’s 7:15. Let’s ________ to school.
A．to go B．going C．go D.gone
D
A
C
C
一、单项选择
1. Let me _____ (tell) you about my family.
2. ___________ (not listen) to music in class.
3. Do you have to ______ (wear) school uniforms every day
4. You can’t eat in the classroom. You can _____ (eat) in the dining hall.
5. You must _____ (be) quiet in the library.
6. No ___________ (swim) in the river! It is too dangerous.
7. Boys and girls, please _____ (keep) the classroom tidy in school.
8. Everybody ________ (must, may) follow the traffic rules.
二、语法填空。
tell
Don’t listen
wear
eat
be
swimming
keep
must
2. Whose birthday is it
06 家庭作业
Homework
2. Whose birthday is it
Homework
常规作业：1. 完成练习册第三课时；
2. 总结本节课所学到的祈使句和情态动词。
拓展作业：选择一个自己熟悉的场景，如家庭、学校走廊等，用祈使句和情态动词制定规则，并画成标识。
2. Whose birthday is it
Thanks
for watching!

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