Unit 7 Teenagers should be allowed to choose their own clothes. Section A 4a-4c 课件【人教九英】

(共28张PPT)
（人教新目标版）九年级全
Period 3 Section A 4a - 4c
Unit 7
Teenagers should be allowed to choose their own clothes.
Learning objectives
Key words & phrases：
community，chance，educate，manage，society
make one's own decision
Key sentences：
1.In many Western countries，teenagers are allowed to move out at eighteen.
2.That is why many Chinese adults continue to live with their parents.
Key structure：
model verbs＋be＋past participle
eg：Your bedroom must be cleaned every day.
Teenagers should be encouraged to do social work for their community.
Do you agree or disagree
community
n. 社区；社团
Lead in
Teenagers should not be given chances to make their own decisions.
Do you agree or disagree
chance
n. 机会；可能性
make one's own decision
自己做决定
Lead in
The mobile phone must be kept away from teenagers
Do you agree or disagree
keep ... away from
避免接近；远离
Lead in
Teenagers could be educated to manage their own lives.
Do you agree or disagree
educate
v. 教育；教导
manage
v. 完成；应付
Lead in
Read the sentences again and pay attention to the underlined structures.
带有情态动词的被动语态结构：
情态动词+be+V-ed
1. Teenagers should be encouraged to do social work for their community.
2. Teenagers should not be given chances to make their own decisions.
3. The mobile phone must be kept away from teenagers
4. Teenagers could be educated to manage their own lives.
Presentation
主动语态变被动语态的方法
Edison
the light bulb.
invented
The light bulb
主语 + 谓语动词被动语态(be+V-ed) + 介词+宾语
① 主动语态的宾语变成被动语态的主语。
was invented
by Edison.
② 主动语态的谓语动词变成“was/were+及物V-ed”形式。
③ 主动语态的主语变成by引导的介词短语放在主谓结构后面，有时可以省略。
Presentation
③ 主动语态的主语变成by引导的介词短语放在主谓结构后面，有时可以省略。
主语 谓语动词被动语态(情态V+be+V-ed) 介词+宾语
Li Ming should do it.
It should be done by Li Ming.
主语 谓语动词主动语态(含情态动词) 宾语
I. 含情态动词的主动语态变被动语态的方法
① 主动语态的宾语变成被动语态的主语。
② 主动语态的谓语动词变成"情态动词+be+V-ed" 形式。
Presentation
II. 含情态动词被动语态的几种句型：
1. 肯定句: 主语 + 情态动词 + be + V-ed.
His bedroom should be cleaned in the morning.
2. 否定句: 主语 + 情态动词 + not + be + V-ed.
3. 一般疑问句: 情态动词 + 主语 + be + V-ed
His bedroom shouldn't be cleaned in the morning.
Should his bedroom be cleaned in the morning
Presentation
把下列句子改为含情态动词被动语态的句子。
1. Don't have part-time jobs.
2. Don't get ears pierced.
Students should not be allowed to have part-time jobs.
Students should not be allowed to get their ears pierced.
Practice
3. Don't take photos in the museum.
4. Don't use a flash.
People should not be allowed to take photos in the museum.
We may be allowed to take photos if we don't use a flash.
Practice
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.
I don't think sixteen-year-olds should be allowed to drive.
I agree. They aren't serious enough.
used to express our opinions
Practice
英语中表示同意或不同意的若干方法
非常赞同
1. I couldn't agree more! 我非常同意!
2. That's absolutely true! 绝对没错!
4. I'm with you on that. 我同意这点!
3. Absolutely! 肯定了!
5. That's exactly my opinion. 正是我所设想的!
Practice
比较赞同
1. Yes, perhaps. 可能吧。
2. Well, you've got a point there.
你说的还算有点道理。
4. Mmm, possibly.
恩, 可能吧。
3. I guess you could be right.
我想可能是吧。
Practice
委婉表示不赞同
2. I'm not so certain. 我不确定。
4. I'm inclined to disagree with that.
我不太同意你说的。
1. I'm not so sure really. 我不是很同意。
3. No, I don't think so really.
不，我不这样认为。
Practice
3. I disagree with you entirely.
我绝对不同意你的观点。
1. You must be joking. 你在说笑吧。
意见分歧
2. You can't be serious. 你不是认真的吧。
4. I wouldn't go along with you there.
我想我们不能在这点上达成共识。
Practice
4a
Rewrite the sentences according to the example.
1. You must clean your bedroom every day.
Your bedroom _________________________.
2. I will do the housework in the afternoon.
The housework __________________________.
3. Parents will encourage their children to do social work for their community.
Children _________________________________ _________________________________________.
must be cleaned every day
will be done in the afternoon
will be encouraged to do social work for their community.
P52
Practice
4. Do you think we must keep teenagers away from the Internet
Do you think teenagers ______________________ ______________________
5. Parents should give teenagers chances to make their own decisions.
Teenagers ________________________________ ______________________.
must be kept away from the Internet
should be given chances to make their own decisions
Practice
Fill in the blanks with the correct forms of the words in brackets.
4b
P52
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 to take care of themselves from a young age. This way, when they ________ (start) working they can manage their own lives.
be asked
are allowed
start
Practice
However, in most Asian societies, 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
n. 社会
Practice
4c
You and your friend are starting an English club. Make a list of rules about what should and should not be allowed.
Tips:
1. Work in groups. And discuss the rules about what we should and should not be allowed to do in the club.
2. The rules would require usage of the modals should and must.
Tips:
1. Work in groups. And discuss the rules about what we should and should not be allowed to do in the club.
2. The rules would require usage of the modals should and must.
P52
Practice
For example:
Yes, but they should only use English-English dictionaries.
Members should be allowed to use dictionaries.
I agree with you. Besides, I think members should be allowed to bring their friends here.
Yes, and they can only speak English.
Practice
结构
句型
情态动词+be+V-ed
(1)肯定句: 主语 + 情态动词 + be + V-ed
(2)否定句: 主语 + 情态动词 + not + be + V-ed
(3)一般疑问句: 情态动词 + 主语 + be + V-ed？
主动变被动的方法
(1)主动语态的宾语变成被动语态的主语。
(2)主动语态的谓语动词变成"情态动词+be+V-ed" 形式。
(3)主动语态的主语变成by引导的介词 短语放在主谓结构后面，有时可以省略。
带有情态动词的被动语态
Summary
Can you master the use of should/could/
can/may/must/... + be allowed to...
Self-evaluation
Write your family rules, using
the passive voice with modal verbs.
Homework