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(共24张PPT)
Section A 1a-2d
Unit 2
Teenagers should be allowed to choose their own clothes.
Warm-up
Before-listening
情 境 导 入
exercise
Do your parents allow you to ...
watch TV
drive
smoke
choose your own clothes
My family has some rules.
Look at these pictures and tell me what they are.
I am not allowed to…
exercise
watch TV
drive
smoke
choose my own clothes
As a teenager, we have a lot of rules at school. Do you know some of them
Obey the school rules!
be late for
play/chat with
sleep
Students are not allowed to…
Obey the school rules!
Students should be allowed to speak English loudly.
Students shouldn’t be allowed to sleep in class.
Students shouldn’t be allowed to make noises.
Students shouldn’t be allowed to throw the rubbish in the classroom.
Students shouldn’t be allowed to get to class late.
含有情态动词的被动语态：
情态动词+(not) be+及物v-ed
1.allow sb. to do sth. 允许某人做某事
2.be allowed to do sth. 被允许做某事
3.should be allowed to do sth. 应该被允许做某事
4.should not be allowed to do sth. 不被允许做某事
新 课 探 究
View, say and predict
1. What’s the relationship
between two speakers
2. What are they talking about
3. What’s your opinion
新 课 探 究
1. Teenagers should not be allowed to smoke. A D
2. Sixteen-year-olds should be allowed to drive. A D
3. Students should not be allowed to have part-time jobs. A D
4. Sixteen-year-olds should be allowed to get their ears pierced. A D
5. Teenagers should be allowed to choose their own clothes. A D
有兼职的工作
扎耳洞
选择他们自己的衣服
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新课探究
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新课探究
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新课探究
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4
1
5
2
3
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新课探究
Should Should not
wear the school uniform keep quiet in the library eat outside of the classroom practice what you have learned make your bed after getting up arrive late for class
run in the hallway
eat anything in the class
watch TV late every night
leave dirty clothing everywhere in the house
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新课探究
Read the conversation of 2d and try to answer the questions.
1. Where will they go for the school trip
2. Does Mr. Smith allow students to take photos
They will go to the art museum.
No, he doesn’t. He says they must not take photos.
It’s not allowed in the museum.
2d
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新课探究
Sandy: I’m really excited about seeing the famous paintings by Picasso.
Wu Lan: Me, too! I'm glad Mr. Smith chose the art museum for our school trip
this year.
Sandy: I’m going to bring my new camera to take lots of photos!
Wu Lan: Oh, no. Mr. Smith says we must not take photos. It’s not allowed in the
museum.
Sandy: That’s too bad! Do you think we may be allowed to take photos if we don’t use
a flash
Wu Lan: Hmm ... I think they just want to protect the paintings. So if you don’t use a
flash, then it may be OK.
Sandy: Yeah. I think we should be allowed to do that. I’ll bring my camera anyway.
2d
Role-play the conversation.
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新课探究
After-listening
What are teenagers allowed to do
Thinking
exercise
watch TV
drive
smoke
choose your own clothes
新课探究
Language points
1.I don’t think sixteen-year-olds should be allowed to drive.
→ I think sixteen-year-olds should not be allowed to drive.
否定前移
宾语从句中，若主句谓语动词是
think, believe, suppose, expect, guess, fancy, feel, imagine
等表示心理活动的动词时，宾语从句不能用否定形式；
若宾语从句是否定句式，则常将否定词not前移到主句谓语动词前面，从而形成“形式上否定主句，实际上否定宾语从句”的现象，这种语法现象叫做否定前移。
注意：
这种特殊句型的主语一定是第一人称 I 或者we，若是第二三人称代词（不论单复数）做句子主语，便不能形成否定前移。
新课探究
(2022 四川泸州中考)As teenagers, we are not allowed mobile phones into school so that we can focus on our schoolwork.
A.bring B.to bring C.bringing D.brought
2.allow 用法
allow的常用搭配 allow sb. to do sth. 允许某人做某事
be allowed to do sth. 被允许做某事
allow doing sth. 允许做某事
√
新课探究
“get+名词/代词+过去分词”结构意为“让某事被做”,其中过去分词作宾语补足语，表示被动意义,与宾语之间为被动关系。
如:I’ll get my work finished tomorrow.明天我将完成我的工作。
3.“get+宾语+过去分词”的结构
Sixteen-year-olds should be allowed to get their ears pierced.
16岁的青少年应该被允许打耳洞。
例：—Why do you speak in a loud voice
—Because I want to get myself clearly.
A. such; hear B. so; heard C. such; heard D. so; hear
√
新课探究
paint vi/vt.在……上刷油漆，用颜料画
eg. The wall will be painted yellow. 墙壁会被漆成黄色。
paint n.油漆，绘画颜料
eg. The paint is starting to peel off. 油漆开始起皮剥落了。
4.painting n.画作，绘画
I’m really excited about seeing the famous paintings by Picasso.
新课探究
Ⅰ. 单选。
1.—Lily,Why not get your ears —Hmm, students aren’t to.
A. pierce；allow B. pierced；allowing
C. pierce；allowing D.pierced；allowed
2. We must pay attention to our , so don’t go out alone at night.
A. safe B. safty C. safely D. safety
3. There is a sign “No ” on the wall of the library.
A. smoke B. smoking C. smoked D. smokes
√
√
√
新课探究
II. 选词并根据适当形式填空 。
1. Teenagers under 16 are not allowed to get a driver’s (证件).
2. The plan finally landed (安全地).
3. Anna spoke louder in order to make herself .
4. —Sir, we don’t allow in the museum.
—Sorry, I won’t.
license
safe, hear , smoke,license
safely
heard
smoking
课 堂 小 结
Summary
1.Master the new words.
license safety smoke part-time pierce earring flash
2.Master the structires.
sb. should be allowed to do sth.
3.Talk about what you are allowed to do by using passive voice.
情态动词+be +done
THANK YOU

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