资源简介

(共23张PPT)
Grammar
Unit 2
No Rules, No Order
合学寻长
练学聚长
预学启长
汇学固长
思学扬长
Previewing 1.Review the school rules Ms Brown talks about.
(1) ______ in the hallway. Don’t ______!
(2) You have to ______ the uniform. You mustn’t ______________ to school instead.
(3) Don’t ______. Make sure to keep the school tidy.
(4) We must ______ polite and ______ everyone with respect.
Walk
run
wear
wear other clothes
litter
be
treat
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练学聚长
预学启长
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Previewing 2.Review the school rules Anne tells Tom.
Tom: Can we _______ sweets
Anne: No, we can’t _______ snacks in class.
Tom: Can we _______ water
Anne: Yes, of course.
Tom: Can we _______ mobile phones
Anne: No, we mustn’t _______ our mobile phones to class. We have to _______ them off and _______ them in our lockers.
eat
eat
drink
bring
bring
turn
keep
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练学聚长
预学启长
汇学固长
思学扬长
Cooperating 1. Observe(观察) and answer .
Do the verbs in red need to change forms Why
Imperatives祈使句
Modal verbs情态动词 (can / can’t / must / mustn’t / have to) + do
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预学启长
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Cooperating 1. Observe(观察) and fill .
祈使句 例句 用法特点（类型）
肯定式 Walk in the hallway. Be polite,please. Let's see the lions. 1. Do型：_______________________
2. Be型:________________
3. Let型：_________________________
否定式 Don't run. Don't be late for class. No photos. No smoking. 1. Don’t型：_______________________
_______________________
2:No 型：___________________
___________________
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。
动词原形+其他
Be+其他
Let sb. do+其他
Don’t do+其他
Don’t be+其他
No+n.
No+v. ing
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预学启长
汇学固长
思学扬长
Cooperating 1. Observe(观察) and fill .
情态动词 例句 用法特点
can Can we eat sweets No, we can’t eat snacks in class. 1. 表示“__________”，用于询问许可或能力。
2. 一般疑问句结构：______________________
3. 否定回答用 can't，表示“__________”。
must We must follow the rules. You mustn't talk to your mother like that. 1. 表示“________”，强调说话人的主观看法。
2. 否定形式 _________表示“禁止、不准”。
have to It's a little late and I have to go now. She has to finish her work today. You don't have to leave if you don't want to. She doesn't have to go to work today. 1. 表示“___________”，强调客观需要。
2. 有________和_______的变化（have / has）。
3. 否定形式 _____________________表示“不必”，相当于“don't need to”。
能够、可以
Can + 主语 + 动词原形？
不可以
必须
mustn't
不得不
人称
数
don't / doesn't have to
情态动词用于表达说话人的态度和情感，后面必须跟动词原形来构成完整的谓语。
1.Complete the sentences using can, have to / must, or can’t / mustn’t(p13 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
have to/must
have to
have to/must
have to/must
插队=jump/cut in line
v. 转动
缺席
安全带
v. 喂养；饲养
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预学启长
汇学固长
思学扬长
Practicing
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练学聚长
预学启长
汇学固长
思学扬长
Practicing 2.Look at the first sign and read the rules. Then write the rules for the other signs.(p13 3c)
Do not eat or drink.
No eating or drinking.
You can’t / mustn’t eat or drink.
Do not park here.
No parking (here).
You can’t / mustn’t park (here).
Do not take photos.
No photos.
You can’t / mustn’t take photos.
Do not swim.
No swimming.
You can’t / mustn’t swim.
Do not feed the birds.
No feeding the birds.
You can’t / mustn’t feed the birds.
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Practicing 3.In groups, brainstorm three rules for one of the places below.Then draw signs to show the rules.
library　school dining hall　park　cinema　hospital
Place Rule signs
_________
In ..., we can / have to / must / can’t / mustn’t ...
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祈使句，无主语，__________打头阵。
请求客气加 please，建议 Let's 跟_____。
否定句，很容易，________加在动词前。
Be 后形名要牢记，Don't be 莫忘记。
公共场合表禁止，No 加_______最给力。
祈使句口诀
________ 表能力和许可，问句答句都靠它。
______是主观必须做，_______表示禁止做。
__________ 客观不得已，人称变化要注意。
否定不必最易错，______________记心窝。
变形规则要分清，_______________不变形。
三单主语 _________，助动词来帮否定。
情态动词 “三剑客” 口诀
动词原形
原形
Don't
动名
Can
Must
mustn't
Have to
don't have to
can、must
has to
合学寻长
练学聚长
预学启长
汇学固长
思学扬长
How well can you do these things Very well OK Needs work
1. I can find and summarize verb forms in imperative sentences and modal verb sentences.
2. I can learn the structure and usage of imperative sentences and use can, must and have to correctly in context.
3.I can talk about school and life rules with imperatives and modals.
4.教师评价：
Reflecting
Language points
queue
/ kju /
n.队
jump the queue
jump the line
cut in line
插队
不要插队,你必须排队等候.
Don’t jump the queue. You must wait your turn.
stand in a queue
stand in line
wait in line
排队(等候)
先填写表格,然后排队等候.
Fill out the form first. Then stand in a queue.
拓展:
feed
/fi d/
vt.喂养;饲养
以...为食(主要指动物)
feed on sth
用...喂某人/某物
feed sb/sth (on/with) sth
把...喂给某人/某物
feed sth to sb/sth
1.在动物园里不要给动物喂食.
Don’t feed the animals in the zoo.
喂某人/某物
feed sb/sth
2.玛丽喜欢给鸡喂玉米.
Mary likes feeding corn to the chickens.
leave
/li v/
v.离开
离开A地
leave A
动身去/前往B地
leave for B
离开A地去B地
leave A for B
1.如果我不舒服,我可以离开教室吗
Can I leave the classroom If I don’t feel well.
2.今天下午他要离开家去北京.
He is leaving home for Beijing this afternoon.
别把孩子单独留在家里.
Don’t leave children alone at home.
拓展:
①意为 “留下”
请把门开着吧.
Leave the door open, please.
②意为 “使保留,让...处于(某种状态,某地等)”
常见结构:leave sb/sth +adj “使...处于...状态”
absent
/li v/
adj.缺席的;
不在的
缺席;不在
be absent from...
汤姆昨天没来上课因为他生病住院了.
Tom was absent from classes yesterday because he was ill in hospital.
拓展:
absence
un.缺席;不在
我不在时,请你帮我照顾一下我的狗好吗
Could you please take care of my dog during my absence
quietly
/ kwa tli/
adj.安静地;轻声地
quiet
adj.轻声的;安静的
+
-ly
副词后缀
→
quietly
在句中常修饰动词
在句中常修饰名词
小声说话
talk quietly
保持安静
be/keep quiet
在图书馆里我们应该保持安静,并且轻声走路.
We should keep _______ and walk ________ in the library.
quiet
quietly
玛丽是一个文静腼腆的女孩.
Mary is a quiet and shy girl.
拓展:quiet还可意为 “文静的;寡言少语的”
belt
/belt/
n.安全带;腰带;皮带
座椅安全带
seat belt
1.她系着座椅安全带了吗
Is she wearing a seat belt
2.你能系上安全带吗 我们坐车时必须系安全带.
Can you put on your seat belt We must wear one when we’re in the car.
noise
/n z/
cn./un.声音;噪音
发出声音;制造噪音
make (a) noise
make noises
1.我听到隔壁房间有奇怪的声音.
I hear a strange noise in the next room.
2.别出声,宝宝正在睡觉.
Don’t make noise. The baby is sleeping.
1.吃东西不要发出噪音.
Don’t eat ____________.
拓展:
noisy adj.吵闹的;嘈杂的
noise
n. 声音;噪音
noisily adv.吵闹地;嘈杂地
2.外面很吵闹,我们出去看看是谁在制造这种噪音.
It’s _______ outside. Let’s go out and see who is making such a _________.
noisily
noisy
noise

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