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(共39张PPT)
保护动物 从我做起
Unit2
No Rules, No Order
Grammar
In this lesson, we’ll be able to:
一、语言能力
发现并总结祈使句、情态动词（can/must/have to）的动词形态特点及句式结构、用法，能在语境中正确运用相关句式谈论学习与生活规则。
二、文化意识
通过运用目标句式谈论规则，理解规则对集体生活的意义，增强规则意识与集体责任感。
三、思维品质
在分析、归纳祈使句和情态动词用法的过程中，发展语言逻辑思维与归纳总结能力
四、学习能力
通过观察例句、自主探究、实践运用等活动，提升自主发现语言规律、灵活运用语言知识的能力。
Learning Objectives
人与自我→社会服务与人际沟通→良好的人际关系与人际交往核心素养目标
You don't know oh oh
你不知道
You don't know you're beautiful
Oh oh
That's what makes you beautiful
你并不知道你有多美丽
So c-come on
Let在祈使句中的用法 let sb. do sth.
否定祈使句直接在句前＋Don’t
祈使句以动词原形Do 开头
Don't let them in,
don't let them see
Be the good girl you always have to be
Conceal, don't feel,
don't let them know
Well, now they know
Let it go, let it go
Can't hold it back anymore
Let it go, let it go
Turn away and slam the door
Don't let them in, don't let them see
别让别人知道，别让别人看到
Be the good girl you always have to be
做个好姑娘，你必须一直都是
Conceal, don't feel, don't let them know
要隐藏，不要动真情，不要让别人知道
Let it go, let it go
随他吧，随他吧
Turn away and slam the door
转过身关上门
What do they have in common
表示“劝告”
没有主语
动词原形开头
句子单词数量较少
祈使句
表达命令(commands),
请求(requests),劝告(advice),警告(warnings),禁止(prohibitions)等的句子
Don't let them in, don't let them see
Be the good girl .
Let it go. Let it go
Let the storm rage on
Let it go. Let it go
Turn away and slam the door
肯定祈使句
否定祈使句
① Be 型祈使句
② let 型祈使句
③ do型祈使句
肯定形式：Be+表语（名词或形容词）+其他.
否定形式：Don’t be+表语（名词或形容词）+其他.
① Be 型祈使句
Don’t be loud
Be careful when you cross the road.
Be a good boy.
Don’t be nervous.
肯定形式：Let+宾语+动词原形+其他.
否定形式：Don’t let+宾语+动词原形+其他.
Let+宾语+not+动词原形+其他.
② let 型祈使句
Let’s play basketball.
Let it go.
Don’t let her go.
Let her not go.
肯定形式：动原(+宾语) +其他.
否定形式：Don’t+动原+其他.
③ do型祈使句
Stop at a red light.
Go at a green light.
Wait at a yellow light.
Don’t smoke.
Don’t talk.
肯定祈使句
否定祈使句
Don’t be+表语+其他.
Don’t let+宾语+动原+其他.
Let+宾语+not+动原+其他.
Don’t+动原+其他.
Be+表语+其他.
动原+其他.
Let+宾语+
动原+其他.
① Be 型祈使句
② let 型祈使句
③ do型祈使句
No + 动词-ing!
No + 名词!
Imperatives
祈使句
肯
否
肯
否
肯
否
否
Do型祈使句
Be型祈使句
Let型祈使句
No型祈使句
1
2
3
4
动词原形(+宾语)+其他.
Don’t+动词原形(+宾语)+其他.
Be+表语(名词/形容词)+其他.
Don’t+be+表语(名词/形容词)+其他.
Let+宾语+动词原形+其他.
Don’t let+宾语+动词原形+其他.
Let+宾语+not+动词原形+其他.
No+动词-ing形式.
No+名词.
Summary
祈使句,表请求,还表命令或禁止.主语是you常省去,动词原形去开头.否定形式要注意,don’t 放到句首去.要讲礼貌用please,句首句末都可以.
Read the sentences. Do the verbs in bold need to change forms Why
No, they don’t. Because the verbs appear in imperative sentences or after modal verbs.
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.
3a
Do these verbs change forms
Modal verbs
情态动词
情态动词是动词的一种,表示说话人的语气和态度等.
can
could
must
have to
may
will
should
might
would
shall
情态动词有一定的意义,但不能单独作谓语,一般和实义动词连用构成谓语.
注意:
Modal verbs
情态动词
1. -Can I eat in the classroom
-No, you can’t. But you can eat in the dining hall.
Read and summarize:
2. We can’t feed animals in the zoo.
3. You can go home now.
可以;能
不可以;不能
可以;能
不可以;不能
可以;能
1
can表示请求或许可,意为 “可以;能”,否定形式can’t意为 “不可以;不能”.
can
1. Can it be true
No, it can’t be true.
Modal verbs
情态动词
Can you play the guitar
No, I can’t. But I can play the violin.
Read and summarize:
能;会
不能;不会
能;会
2
can表示能力,意为 “能;会”,否定形式can’t意为 “不能;不会”
can
3
can表示推测,意为 “可能”,否定形式can’t意为 “不可能”.(常用于否定句或疑问句)
2. Mary can’t be at home.
可能
不可能
不可能
Modal verbs
情态动词
must
have to
Read and summarize:
Mary has to/must finish her homework before watching TV
两者都表示 “必须”,有时可以互换使用.
注意: must和have to 用法并不完全相同.
Modal verbs
情态动词
have to
Read and summarize:
It rains, Mary has to go back home.
have to+动词原形 “不得不做...;必须做...”
强调客观需要.
有人称和数的变化.第三人称单数形式为has to.
构成否定句或疑问句须借助助动词do和does.
Mary doesn’t have to go back home.
构成否定句或疑问句须借助助动词do和does.
Does Mary have to go back home
Modal verbs
情态动词
must
Read and summarize:
I like English. I must learn it well.
must+动词原形 “必须;一定”
强调主观意愿.认为有义务或有必要去做某事.
Tom wants to get into a good university. He must study hard.
We mustn’t cross the road when the red light is on.
must还可用于否定句中.
注意:mustn’t表示禁止, “不要;不许”.
You mustn’t smoke here.
Modal verbs
情态动词
must
Read and summarize:
Must I do my homework now
must还可用于疑问句中.
注意:不能用mustn’t作否定回答.
肯定回答:
否定回答:
Yes, you must.
No, you needn’t.
No, you don’t have to.
mustn’t表示禁止,不允许
The book must be Frank’s because his name is on it.
must还可表示把握性很大的推测,意为 “一定;必然”.
通常用于肯定句.
3b
Complete the sentences using can, have to / must, can’t / mustn't.
1. Don’t jump the queue. You _____________ wait for 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 class 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 / must
have to
have to / must
have to / must
3c
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.
in the classroom
in the library
in the museum
Where can we see these rules
What do they mean
3c
Look at the first sign and read the rules. Then write the rules for the other signs.
Do not park here.
No parking.
You can’t / mustn’t park here.
on sidewalks
at bus stops
in crosswalks
Where can we see these rules
What do they mean
3c
Look at the first sign and read the rules. Then write the rules for the other signs.
Do not take photos.
No photos.
You can’t / mustn’t take photos.
in the museum
in a cinema
temple halls
Where can we see these rules
What do they mean
3c
Look at the first sign and read the rules. Then write the rules for the other signs.
Do not swim.
No swimming.
You can’t / mustn’t swim.
by the river/lake
areas with dangerous
marine life
Where can we see these rules
What do they mean
3c
Look at the first sign and read the rules. Then write the rules for the other signs.
Do not feed the birds.
No feeding.
You can’t / mustn’t feed the birds.
in the zoo
nature reserves
Where can we see these rules
What do they mean
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.
library　school dining hall　park　cinema　hospital
3d
Steps:
1. Choose one of the places.
2. Brainstorm three rules.
3. Draw signs to show the rules.
4. Share and explain what they mean.
library　school dining hall　park　cinema　hospital
Group work:
Checklist Stars
1. Speak loudly and clearly.
2. Beautiful pronunciation and tones.
3. Use body language and eye contact.
4. Wonderful cooperation.
Brainstorm:
Be quiet!
No eating!
No smoking!
Don’t fight!
Example:
In the library, we must keep quiet. We mustn’t make noise or smoke.
We can’t eat any food but we can drink water.
...
No Rules, No order
没有规矩，不成方圆
Be brave to say No to all uncivilized behaviors!
勇敢向不文明行为说不！
__________
Homework
Must-do
List more RULES of these places: library, school dining hall, park, cinema and hospital by using can/can’t, must/mustn’t, have to.
Optional
Think about this question: What do you think of rules
Language points
(1) jump the queue 插队
join the queue 排队
stand in a queue 站成一排
1.插队是不礼貌的.
It’s not polite to jump the queue.
2.你得排队.
You’ll have to join the queue.
1. Don’t jump the queue.
不要插队.
(2) queue
①cn. 队;行列
售票处排着长队.
This is a long queue at the ticket office.
②v. 排队(等候)
人们排队买票.
People queue to buy tickets.
Language points
wait 等;等待
wait for sb/sth 等待某人/某物
wait for sb to do sth 等待某人做某事
1. 玛丽正在等公共汽车.
Mary is waiting for the bus.
2.我在等他来.
I am waiting for him to come.
2.You must wait your turn.
你必须等着轮到你.
wait one's turn
含义：“排队等候、轮到某人再做”，是日常交际中的常用短语。
结构：wait + 形容词性物主代词（your/my/his 等）+ turn，不能说 wait turn 或 wait for your turn（for 多余）。
Language points
feed vt. 喂养;饲养(过去式为fed)
其后常接表示动物名称的词作宾语.
①feed sb/sth 喂某人/某物
例句:我每天都喂鸡.
I feed the chickens every day.
feed vt. 喂养;饲养(过去式为fed)
③feed...on/with... 用...喂...
例句:她用肉喂狗.
She feeds the dog on meat.
拓展:feed on... 以...为食;以...为生
例句:牛和马以草为食.
3. I can feed my dog many kinds of food, but I mustn’t/can’t give him chocolate.
我可以给我的狗喂多种食物,但我一定不/不能给他巧克力.
Cows and horses feed on grass.
Language points
leave 动词(过去式为left)
①离开
leave + 地点 离开某地
leave for + 地点 动身去某地
leave + 地点 + for + 地点 离开某地去某地
1.明天我要动身去北京.
2.你是什么时候离开上海的
4. Can I leave the classroom if I don’t feel well
如果我感觉不舒服,我可以离开教室吗
I’ll leave for Beijing tomorrow.
When did you leave Shanghai
Language points
leave 动词(过去式为left)
②留下
leave + 宾语 + 地点状语 把...留在某地
leave sb by oneself 把某人单独留下
例句:1.我会在桌子上留个信息.
I will leave a message on the table.
2.不要把小孩留在家里.
4. Can I leave the classroom if I don’t feel well
如果我感觉不舒服,我可以离开教室吗
Don’t leave young children at home.
Language points
absent adj. 缺席的;不在的
be absent from 缺席...
例句:他们那天没有上班.
They were absent from work that day.
absent adj. 缺席的;不在的
拓展:反义词为present,意为 “出席的;到场的”
例句: 许多著名作家都出席了这次会议.
Many famous writers are present at the meeting.
5. Yes, but you must tell your teacher about it when you have to be absent from class.
可以,但是当你不得不缺课时,你必须告诉老师.
Language points
(1) noise n.声音;噪声
即可作可数名词,表示某一具体的嘈杂声,喧闹声;又可作不可数名词,泛指噪声;喧闹声
make noise/noises/a noise 吵闹;制造噪声
不要吵闹.Don’t make a noise.
6. We mustn’t make noise.
我们一定不要制造噪音.
Don’t eat ____________.
noisy adj.吵闹的;嘈杂的
noise n. 声音;噪音
noisily adv.吵闹地;嘈杂地
It’s _______ outside.
Let’s go out and see who is
making such a _________.
noisily
noisy
noise
保护动物 从我做起
Thank You !

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