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(共32张PPT)
Period 3
Section A Grammar Focus-4c
Unit 7 Teenagers should be allowed to choose their own clothes.
词句听写
同学们，上一课学习的单词、短语和句型，你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！
课文导入
我们在Unit5学习了一般现在时的被动语态，在学习了一般过去时的被动语态，这节课我们一起来学习一下含有情态动词的被动语态。
课文呈现
I don’t think sixteen year olds should be allowed to drive. I agree. They aren’t serious enough.
Do you think teenagers should be encouraged to make their own decisions？ No, I don’t agree with this. Teenagers are too young to make their own decisions.
Teenagers should not be allowed to have part time jobs. I disagree. They can learn a lot from working.
Do you think we may be allowed to take photos if we don't use a flash？ If you don’t use a flash, then it may be OK.
课文呈现
4a.Rewrite the sentences according to the example.
You must clean your bedroom every day.
Your bedroom must be cleaned every day.
2. I will do the housework in the afternoon.
The housework will be done in the afternoon.
3. Parents will encourage their children to do social work for their community /k 'mju n ti/.
Children ____________________________________
____________________________________________.
积极参加志愿服务，
做新时代有担当的学生
should be encouraged to do social work for their community
平时要及时清理，
保持自己卧室干净
课文呈现
4. Do you think we must keep teenagers away from the Internet
Do you think teenagers ___________________________________
5. Parents should give teenagers chances/t ɑ ns z/, /t ns z/ to make their own decisions. ①
Teenagers _______________________________________________.
温馨提示：此符号表示“考点精讲点拨”链接
must be kept away from the Internet
should be given chances to make their own decisions
课文呈现
4b.Fill in the blanks with the correct forms of the words in brackets.
Should teenagers ________ (ask) to move out when they start working In many Western countries, teenagers ___________ (allow) to move out at eighteen. Their parents believe that they should be educated /'ed uke t d/ to take care of themselves from a young age. ② This way, when they _______(start) working they can manage/'m n d / their own lives. ③
be asked
are allowed
start
课文呈现
However, in most Asian societies/s 'sa t z/, it is not common for teenagers to ______(move) out. Chinese parents believe that it is better for children to live with parents who can ______(take) care of them. But the young should then look after their parents as they get older. That is why many Chinese adults ________(continue) to live with their parents.
move
take
continue
课文呈现
4c.You and your friend are starting an English club. Make a list of rules about what should and should not be allowed.
A：Members should be allowed to use dictionaries.
B：Yes, but they should only use English -English dictionaries.
考点精讲
①Parents should give teenagers chances to make their own decisions.
(1) (重点) chance /t ɑ ns/, /t ns/ n. 机会；可能性
chance 作可数名词，意为“ 机会”。have a(no) chance to do sth.=have a(no) chance of doing sth.(没) 有机会做某事。
chance 的常用搭配： by chance 偶然；意外
no chance 不可能 take a chance 冒险
give sb. a chance 给某人一个机会
考点精讲
It is a good chance to study (of studying ) English.
这是一个学习英语的好机会。
I met her by chance at the airport.
我碰巧在机场遇见她。
There is no chance that he will change his mind.
他不可能改变主意。
考点精讲
拓展：chance 作名词还可意为“可能性”，此时既可作可数名词，又可作不可数名词。后常接of doing sth. 或that 引导的同位语从句，表示“做某事的可能性”。
Since I was fully prepared, I felt that my chances of winning were strong.
因为我准备很充分，所以我认为赢的可能性比较大。
考点精讲
考题1：[黔东南] The journey to Congjiang is a great ______ for Steve to learn more about the magic places that he has known from books and pictures.
A. introduction B. competition
C. pressure D. chance
D
考点精讲
返回
温馨提示：可返回原文
(2) make one’s own decision 自己做决定
相当于make a decision for oneself。
You are old enough to make your own decision.
=You are old enough to make a decision for yourself.
你足够大了，可以自己做决定。
make one’s own decision to do sth.= make up one’s mind to do sth.= decide to do sth. for oneself 意为“自己决定做某事”。
考点精讲
②Their parents believe that they should be educated to take care of themselves from a young age.
educate /'ed uke t/ v. 教育；教导
My mother often educates me to be kind to others.
我妈妈经常教育我对别人要友好。
Their parents hope they can get a good education.
他们的父母希望他们能够接受良好的教育。
I think this book is educational.
我认为这本书很有教育意义。
educate sb. to do sth. 教育某人做某事
n. 教育
adj. 有教育意义的
考点精讲
educate 的词形变化：
education n . 教育
→have a good education接受良好的教育
educational adj .有教育意义的
（比较级more educational
最高级most educational）
考点精讲
返回
考题2：[永州] China plans to pay more attention to scientific _____________ (educate) in its primary and middle schools.
【点拨】句意：中国计划更加重视中小学的科学教育。educate“教育”，动词。此处位于形容词scientific 后，应用名词education。
education
考点精讲
③This way, when they ______ start working they can manage their own lives.
(重点) manage /‘m n d / v. 完成(困难的事)；应付 (困难局面)
manage 的一词多义：
完成（困难的事）
应付（困难局面）
经营→ manager n . 经理
↓ management n . 经营
考点精讲
We managed to get to the airport in time.
我们设法及时赶到了机场。
How do you manage without a car
没有车你怎么应付？
Mr. Smith manages a big shop.
史密斯先生经营着一家大商店。
考点精讲
一语辨异：
The manager manages a large company. He is good at management.这个经理经营一家大公司。他擅长管理。
manage to do sth. “设法做成某事”，多指目标明确、经过努力能够成功地做某事。
try to do sth. “尽力做某事”强调过程，结果不一定是成功的。
辨析：manage to do sth.和try to do sth.
考点精讲
He ran fast but I sped up and managed to catch up with him.
他跑得很快，但我加快了速度，设法赶上了他。
Maria is trying to find out more information about Chinese clay art. 玛丽亚正试图找出更多关于中国陶艺的信息。
考点精讲
考题3：[泰州] Zhang Hua, our monitor, is organized and thoughtful enough to ______ time well.
A. reduce B. manage
C. control D. influence
返回
B
含有情态动词的被动语态
单元语法
含有情态动词的被动语态 概述 含有情态动词的被动语态用来说明某人或某物对被动性动作所反映出的情感和态度。
基本构成 情态动词+be+ 动词的过去分词，常考的情态动词有：can/could，may/might，must，need，should 等。1
句式变化 否定句：在情态动词后面加not。2
一般疑问句：将情态动词提到句首。3
特殊疑问句：由特殊疑问词加上含有情态动词的被动语态的一般疑问句构成。4
1 基本构成
The computer must be repaired right now.
这台电脑必须立刻修理。
Many trees should be planted on the mountains.
应该在山上种植许多树。
单元语法
敲黑板
含有情态动词的被动语态的疑问句、否定句的变化均需借助于情态动词来完成。
单元语法
考题1：[黑龙江] — Why do the elephants in Thailand have to ____
—Because humans there catch them for their ivory to make money.
A. protect B. be protected C. are protected
【点拨】elephants 和protect 之间是被动关系，此处用含情态动词的被动语态。
B
2 否定句：在情态动词后面加not。
Fourteen-year-olds should not be allowed to drive.
十四岁的孩子不应该被允许开车。
单元语法
考题2：These books mustn’t _________ (take) out of the reading room.
be taken
3 一般疑问句：将情态动词提到句首。
The work must be done right now. 这项工作必须立刻做。
→ Must the work be done right now
这项工作必须立刻做吗？
单元语法
考题3：—Should a teenager ______ to get a driver’s license
—No, he shouldn’t.
A. be allowing B. allow
C. be allowed D. allowed
C
拓展：对含有情态动词的被动语态的一般疑问句的回答，一般应保留原句中的情态动词，但must 表示“必须”时，其否定回答用needn’t 或don’t have to。
单元语法
—Should my homework be finished today
我的作业应在今天完成吗？
— Yes, it should./No, it shouldn’t.
是的，应在今天完成。/ 不，不应在今天完成。
— Must the room be cleaned right now
房间必须立即打扫吗？
— Yes, it must./No, it needn’t.
是的，必须立即打扫。/ 不，不必立即打扫。
单元语法
单元语法
考题4：—Must we clean and tidy the classroom now
— No, you ____. It ____ after school in the afternoon.
A. mustn’t; must clean B. needn’t; must clean
C. don’t have to; can be cleaned D. mustn’t; can be cleaned
【点拨】must 构成的一般疑问句否定回答时通常用needn’t 或don’t have to，本题的最后一句是被动句，结构为“情态动词+be+ 动词过去分词”。
C
4 特殊疑问句：由特殊疑问词加上含有情态动词的被动语态的一般疑问句构成。
Where can the book be found 这本书在什么地方能被找到呢？
单元语法
考题5：Teenagers shouldn’t be allowed to get their ears pierced.（对画线部分提问）
__________________________________________
What should not teenagers be allowed to do
课堂小结
本节课主要学习了含有情态动词的被动语态的结构和用法，了解了中考对这类题的考查角度，掌握了这类题的做题方法。

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