資源簡介

(共34張PPT)
Unit 2 No Rules, No Order
第三課時（語法課）
Grammar Focus
本課學習目標
本節課結束時，學生能夠：
1. 學生能夠通過觀察和分析示例句子，深入理解并準確辨析祈使句和情態動詞的表意功能。
2. 學生能夠掌握并運用祈使句和情態動詞表達規則，同時能夠關注表示命令時的委婉的語氣。
3. 學生能夠熟練運用祈使句和情態動詞介紹規則，并在班級活動中積極參與“繪制規則標識”游戲，最終評選出表現最佳的團隊。
按要求寫出正確的單詞、詞組或句子。
每件事 (代詞) __________ 2. 糖果 (名詞) ___________
3. 零食(名詞) __________ 4. 當然(短語) __________
5. 手機(短語) __________ 6. 關掉 (短語) __________
7. 想要做某事（短語）__________ 8. 接電話（短語）___________
9. 一切都好嗎？ ___________________________
10. 我們禁止把手機帶到班級。 _______________________
11. 這是另一條規則。___________________
12. 感謝你告訴我。
________________________________________
everything
sweet
lovely
of course
mobile phone
turn off
would like to do
answer the phone
Is everything Ok
We mustn’t bring our mobile phone to class.
That’s another rule.
Thanks for telling me.
上節要點回顧
Let’s watch and answer.
Do you know the rules ？
Look at these signs and guess their meanings.
No fishing!
Don’t pick
the flowers.
You mustn’t
smoke here.
3a
Read the sentences. Do the verbs in bold need to change forms Why
Grammar Foucs
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.
No, they don’t. Because the verbs appear in imperative sentences or after modal verbs.
祈使句 (Imperative sentences)
一、含義
祈使句一般用來表示請求、命令、勸說、號召、警告等。在祈使句中，通常省略主語you，其肯定形式常以動詞原形開頭，否定形式是在動詞原形前加don’t。祈使句句尾用句號或感嘆號，讀時用降調。為表示禮貌，可以在句首或句末加上please。句末用please時，前面通常加逗號。
二、主要類型
Walk in the hallway. Don’t run!
祈使句類型
1. Do型祈使句
肯定句：實義動詞原形(+賓語)(+其他).
否定句：Don’t +實義動詞原形(+賓語)(+其他).
Be polite and treat one another with respect. Don’t be sad!
祈使句類型
2. Be型祈使句
肯定句：Be+表語(+其他).
否定句：Don’t+be+表語(+其他).
二、主要類型
Let’s go. Let us go.
祈使句類型
3. Let型祈使句
肯定句：Let+賓語+動詞原形(+其他).
否定句：Don’t+let+賓語+動詞原形(+其他).
或Let +賓語+not+動詞原形(+其他).
二、主要類型
No smoking ! 禁止抽煙! Don’t be sad!
祈使句類型
4. No+ 動詞-ing/名詞! 多為公共場合的提示語。
5. Never +動詞原形! 多用來加強語氣。
二、主要類型
情態動詞 (modal verbs)
一、含義
情態動詞用于表達說話人的態度、意愿、推測、建議、能力、義務等。沒有人稱和數的變化；
后面必須跟動詞原形來構成完整的謂語。
情態動詞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、許可、請求等。其否定形式為can’t/cannot。
1.表示能力，意為“能，會”。
2.表示許可，意為“可以”。
3.表示請求，意為“可以”。
情態動詞have to和must的用法
No,we can’t. We must keep them in our lockers. No,we can’t eat in class. We have to eat in the dining hall.
have to
①常強調客觀需要,多譯為“不得不”；
②有時態、人稱和數的變化，其一般現在時的第三人稱單數形式為has to，過去式為had to。have to的否定形式為don’t have to，表示“不必”。
must
①常表示說話人的主觀看法，多譯為“必須”；
②沒有時態、人稱和數的變化。must的否定形式為mustn’t，表示“禁止，不準”。
情態動詞Have to
have to表示不得不。常強調客觀需要。其否定形式為don’t have to。
1. 肯定句：主語+_____________+___________.
2. 否定句：主語+ _______________ have to+__________.
3. 一般疑問句：__________+ 主語+ have to+__________
Yes, 主語+_________./No, 主語+____________.
do/does
don’t/doesn’t
have/has to
動詞原形
動詞原形
動詞原形
Do/Does
don’t/doesn’t
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
單項選擇
B
A
B
A
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!
Complete the sentences using can, have to / must, or can’t / mustn’t.
have to / must
can
have to / must
have to
can’t
have to/must
have to/must
3b
jump the queue 插隊
wait your turn 等待你的順序
feed my dog 喂狗
leave 離開
be absent from 缺席
quietly 安靜地
put on the seat belt 系上安全帶
1. Can I leave the classroom if I don’t feel well
leave v. 離開；把......留下
【翻譯】
1. The plane leaves for China at 12 a.m.
2. I don’t want to leave homtown.
3. We are going to leave our city for Shenzhen.
4. I left my keys on the bus.
leave sp.
leave for sp.
leave A for B
leave sb./ sth.
【用法】
離開某地
動身去某地（目的地）
離開A地去B地
把某人/某物落下
飛機于上午12點前往中國。
我不想離開家鄉。
我們將要離開我們的城市去深圳。
我把鑰匙忘在公交車上了。
Language points
用法 例句
feed
raise
2. I can feed my dog many kinds of food
feed v. 喂養；飼養
【辨析】feed & raise
feed...(食物)to...(動物)
feed...(人或動物)with...(食物)
feed on...
【用法】
把......喂給......吃
用......喂......
以......為食，靠......為生
（主語多為動物或嬰兒）
主要強調“喂養”“給（人）”提供食物，側重具體喂食動作。
當意思為“養育；撫養”時，側重整體培育成長的過程。
Can you feed the cat, please
They raised three children.
Language points
3. ... when you have to be absent from class.
absent adj. 缺席的；不在的
【解析】反義詞為 present“出席的，在場的”。
be absent from 缺席
eg. I was absent from the meeting. 我缺席了這次會議。
【拓展】absence adj. 缺席
eg. I don’t know his absence today. 我不知道他今天缺席。
Language points
Look at the first sign and read the rules. Then write the rules for the other signs.
Do not eat or drink.
No eating or drinking.
You can’t / mustn’t eat or drink.
3c
Look at the first sign and read the rules. Then write the rules for the other signs.
3c
Do not park here.
No parking.
You can’t / mustn’t park here.
Do not take photos here.
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
Do not swim here.
No swimming.
You can’t / mustn’t swim here.
Do not feed birds.
No feeding.
You can’t / mustn’t feed birds.
In groups, brainstorm three rules for one of the places below. Then draw signs to show the rules. Share your signs in class and explain what they mean.
In the library, we must keep quiet. We mustn’t make noise. We can’t...
library school dining hall park cinema hospital
3d
In groups, brainstorm three rules for one of the places below. Then draw signs to show the rules. Share your signs in class and explain what they mean.
Keep Quiet While Eating
This rule tells that students can enjoy their meals in a peaceful environment without being disturbed by loud noises.
3d
In groups, brainstorm three rules for one of the places below. Then draw signs to show the rules. Share your signs in class and explain what they mean.
No Food or Drinks Outside the Dining Area
This rule helps maintain cleanliness and order in the school, preventing food and drink spills in areas where they are not meant to be consumed.
3d
In groups, brainstorm three rules for one of the places below. Then draw signs to show the rules. Share your signs in class and explain what they mean.
Clean Your Tray and Table After Eating
This rule promotes responsibility and cleanliness among students, ensuring that the dining hall remains tidy and pleasant for everyone to use.
3d
自我檢測
按要求寫出正確的單詞、詞組或句子。
插隊(短語) __________ 2. 喂養 (動詞) ___________
3. 離開(動詞) __________ 4. 缺席(短語) __________
5. 輕聲地(副詞) __________ 6. 座椅安全帶 (短語) __________
7. 制造噪音（短語）__________ 8. 電影院（名詞）___________
9. 在走廊里步行。 ___________________________
10. 我們能把手機帶到學校嗎？ _______________________
11. 我們不得不在餐廳吃東西。___________________
12. 你能戴上座椅安全帶嗎？ ________________________________________
jump the queue
feed
leave
be absent from
quietly
seat belt
make noise
cinema
Walk in the hallway.
Can we bring the phones to class
We have to eat in the dinning hall.
Can you put on your seat belt
1. They can play the violin and the drums. （對畫線部分提問）
________ __________ they _________
2. You can go swimming with us this afternoon.（改為一般疑問句）
_______ you _______ swimming with us this afternoon
3. —Must I keep the window open all day （作否定回答）
—No, you ___________________.
Can
What
can
根據要求完成句子
do
go
needn’t / don’t have to
自我檢測
1. — Max, ______be afraid of speaking in front of people. You
are the best!
— OK, I won’t.
A. doesn’t B. not C. isn’t D. don’t
2. — _______ I take photos here
— Sorry, you can’t.
A. Must B. Need C. Can D. Will
3. Look! The sign on the wall says, “No _______!”
A. smoke B. to smoke C. smoked D. smoking
D
單項選擇
C
D
自我檢測
根據要求改寫句子
You must wear a uniform at school.（改為否定句）
We can listen to music in the classroom.（改為一般疑問句，并作否定回答）
Don't talk in the library.（改為同義句）
He has to get up early.（改為一般疑問句）
Let's play basketball after school.（改為否定句）
You mustn't wear a uniform at school.
Can we listen to music in the classroom No, we can’t.
You mustn't talk in the library.
Does he have to get up early
Let's not play basketball after school.
自我檢測
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
自我檢測
用所給單詞的適當形式填空
______ (not be) late for class.
You must ______ (wear) your school uniform on Monday.
Can you ______ (bring) your book to me
We have to ______ (clean) the classroom after school.
Let him ______ (go) home first.
Don't be
wear
bring
clean
go
自我檢測

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