Unit 7 Teenagers should be allowed to choose their own clothes. Section A Grammar Focus-4c 课件 (共28张P

(共28张PPT)
人教新目标Go For It九年级英语全册
Unit7 Teenagers should be allowed to choose their own clothes SectionA Grammar Focus-4c
Learning Aims
1.To learn to use should + be allowed to… to talk and discuss about what you are not allowed to do.
2.Agree and disagree.
3.To let students know what should be done and what should not be done in their daily lives.
keep ... away from
避免接近；远离
make one’s own decision to do sth.
自己做决定去做某事
manage [ m n d ]
v.完成（困难的事）；应付（困难局面）
society [s sa ti]
n.社会
Sample Dialogue
Grammar
Members shouldn’t
be allowed to
speak Chinese.
I agree. Only in this
way can you improve
your English.
Grammar
Focus
Grammar
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 some photos if we don’t use a flash If you don’t use a flash, then it may be OK.
make one’s own decision 意为“自己做决定”，相当于make a decision for oneself。
too+adj./adv.+ to do sth.
太......而不能做某事
learn...from+n./pron.宾格/v.-ing
从......学到......;向......学到......
一般现在时和一般过去时的被动语态
在英语中，动词有两种语态，即主动语态和被动语态。被动语态的基本结构是“助动词 be + 及物动词的过去分词”，其中助动词be有人称、数和时态的变化,其变化规则与be作为连系动 完全一样。
一般现在时的被动语态：主语+am/is/are+过去分词（ + by…)
一般过去时的被动语态：主语+was/were+过去分词（ + by…)
Review
根据课本内容，完成下列句子。
1. 我认为不应该允许十六岁的孩子开车。
I don’t think sixteen-year-olds
______ __ _______ to drive.
2. 我同意。他们还不够严谨。
I agree. They aren’t serious enough.
should be allowed
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 o take photos if we don't use a flash If you don't use a flash,then it may be OK.
Grammar
Focus
Circle the structure of passive voice with modal verbs from these sentences.
一般疑问句结构：
My homework
should
be done
your homework
Should
(by me)
every day.
(by you)

Do an exercise
Asking questions can be allowed during class.
Can asking questions be allowed during class
情态动词+主语+be done+其它
Rewrite the sentences according to the example.
2.Parents should encourage teenagers to do social work for their community.
Teenagers_________________________________________________________________________.
3.Can Lucy do her homework tommorrow instead
Can______________________________________________________
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________________________________________________________________.
should be encouraged (by their parents) to do social work for their community
the homework be done(by Lucy)tomorrow instead
must be kept away from the Internet(by us)
should be given chances(by their parents) to make their own decisions
4a
keep ...away from避免接近， 远离
community社区
make one's own decision 自己做决定
将下列句子改为被动句。
1. He cleans his bedroom every day.
His bedroom is cleaned by him every day.
2. I bought a book yesterday.
A book was bought by me yesterday.
3. Our parents advised us not to go out alone.
We were advised not to go out alone by our parents.
4. I see no student in the playground.
His bedroom should be cleaned in the morning.
主动句变为被动句4步骤：
1. 主句宾变被句主 2. 主句谓语变被动(be+过去分词)
3. 主句主变by加宾 4. 其它成分都不变(定语、状语)
1. Don’t smoke.
2. Don’t eat in the classrooms.
3. Don’t listen to music in the
classrooms or the hallways.
4. Don’t fight.
5. Wear school uniform.
Should we be allowed to …
I think we should be allowed to …
Look at the school rules below, discuss with your partner whether these rules are reasonable or not and why.
Grammar
What can you do at school
What can’t you do at school
Do you agree or disagree
Free talk
3. 你认为应该鼓励青少年去自己做决定吗？
Do you think teenagers
______ __ __________ to make their own
decisions
4. 不，我不认同这个。青少年还太小不能自己做决定。
No, I don’t agree with this. Teenagers are ____ ______ __ make their own decisions.
should be encouraged
too young to
含有情态动词的被动语态
句式 结构 示例
肯定句 主语+情态动词+be+及物动词的过去分词(+by…) Teenagers should be allowed to go shopping.
否定句 主语+情态动词+not+be+及物动词的过去分词(+by…) The word can’t be used in this sentence.
一般疑问句 情态动词+主语+be+及物动词的过去分词(+by…) Must the work be finished today
特殊疑问句 特殊疑问词+被动语态的一般疑问句？ Who should be asked for help
5. 不应该允许青少年去做兼职。
Teenagers ______ ___ __ _______ to have part-time jobs.
6. 不，我不同意。他们可以从工作当中学到很多。
I disagree. They can ______ a lot _______ working.
learn from
should not be allowed
1.We clean the classroom every day.
　
　
　　
The classroom
is cleaned
by us
every day.
一般现在时的被动语态：
am/is/are+done
Learn to rewrite
动作执行者
谓语动词
动作承受者
动作承受者
谓语动词
动作执行者
主动语态 ： 主动，主动，主（语）去动
被动语态：被动，被动，主（语）被动
4b
We cleaned the classroom yesterday.
一般过去时的被动语态：
was/were+done
The classroom
was cleaned
by us
yesterday.
肯定句结构：
My homework should be done (by me) every day.
主语
+情态动词+be+done
+(by+宾语)+其它
Sentence pattern(句式)
My homework should be done (by me) every day.
My homework should not be done (by me) every day.
Should your homework be done (by you) every day
肯定句
否定句
一般疑问句
We should clean the classroom.
The classroom___________________by us.
含情态动词的被动语态：
情态动词+be +done
should be cleaned
如何把主动语态变为被动语态
I should do my homework every day.
口诀：一断、二变、三落下
主语
谓语
宾语
其它
My homework
should be done
every day.
(by me)
4c
What rules should an English
club have Make a list of rules for it.
Free Talk
Practice
1.I know what you mean, but I can ________ (应付) by myself.
2.Jeff often does some volunteer work in the __________ (社区) every month.
3. In modern _______ (social), traveling is a very common thing.
4.Our teachers always encourage us ________ (share) our feelings after reading.
5.The teacher tried his best to help and ________ (education) the weak boy.
一、根据句意及括号内的提示填写单词。
manage
community
society
to share
educate
Exercise
1. I think one day books may __________ (replace) by computers.
2. Paper should not __________ (throw) away.
3. Books and CDs can ____________ (borrow) from the library.
4. Their work must __________ (finish) by four o’clock.
5. Your homework should ________ (do) by yourself.
6. These books mustn’t ________ (take) out of the reading room.
7. Should these food ________ (keep) dry
be replaced
be thrown
be borrowed
二、用所给动词的正确形式填空。
be finished
be done
be taken
be kept
Exercise
1.(2023广西贵港)—Mum, could I help you take out the rubbish
—Sure. But it ______ into different kinds for recycling first.
A. separates B. should separate
C. was separated D. should be separated
2.(2023贵州毕节)No matter how many difficulties we have, I
believe all the problems can ______ in the end.
A. solve B. be solved
C. answer D. be answered
Exercise
Homework
Review the grammar we’ve learned today.
Preview 1a~1e on page 53.