内容正文:
Section A Grammar~4c
Unit 7
Teenagers should be allowed to choose their own clothes.
Leading in
No!
1.Can’t watch TV.
2.can’t go out with friends at nights.
3.can’t drink wine.
4.can’t dress up.
5.can’t get ears pierced.
6.Must do homework everyday.
···
Rules
I should be allowed to ...
Sb should (not) be allowed to do sth.
Pattern Drills
... should not be allowed to ... because ....
Teenagers
...should be allowed to
...mustn't be allowed to
Pattern Drills
Sb should (not) be allowed to do sth.
Sixteen-year-olds
choose their own clothes.
cheat in a test.
Students
students should be allowed to go out at night.
— I disgree.It may be dangerous
Do you agree or disagree?
I disagree with you.
You must be joking.
You can't be serious.
No way.
5
dress up
travel alone
drink
have parties
get their ears pierced
have mobile phones
I don’t think sixteen-year-olds I agree. They aren’t
should be allowed to drive. serious enough.
Do you think teenagers should be No, I don’t agree with
encouraged to make their own this. Teenagers are too
decisions? young to make their
own decisions.
Teenagers should not be allowed I disagree. They can learn
to have part-time jobs. a lot from working.
Do you think we may be allowed If you don’t use a flash,
to take some photos if we don’t then it may be OK.
use a flash?
Grammar
Focus
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? What should he be asked to do?
1.被动语态基本用法:
当句子的主语是动作的执行者时,谓语的形式是主动语态。当句子的主语是动作的承受者时,谓语要用被动语态。被动语态由助动词be+过去分词构成,时态通过be表现出来。
2.规则动词的过去分词:
1)一般情况在动词原形后加-ed
watch---watched
2)以不发音e结尾的加-d
practice---practiced
3)以辅音加y结尾的,去y变i加-ed
study---studied
4)以重读闭音节结尾,末尾只有一个辅音字母, 先双写该辅音字母,再加-ed
stop---stopped
3.不规则动词的过去分词:
am
is
are
been
have
has
had
do
done
write
written
go
gone
主动语态:His brother washes bowls every day
主(执行者)
谓
宾(承受者)
Bowls
are washed
by
his brother
every day.
4. 主动语态被动语态
添加
5.主动变被动的方法:
People speak English in the world.
主 谓 宾
English is spoken by people in the world.
① ② ③ ④
总结:
主动语态 被动语态
宾语 →
谓语 →
主语 →
其他 → 抄下来
主语
be+ P.P(过去分词)
by +宾语
1.They make shoes in that factory.
主语+及物动词+宾语
Shoes are made (by them) in that factory.
6.一般现在时的被动语态:
变为被动语态一
S(主语)+am/is /are +过去分词
task
(一)
1.We like Miss Xu Very much.
Miss Xu ____ _______ by us very much.
2.Many young people love
Xue Zhiqian’ songs.
Xue Zhiqian’s songs ____ ______ by
many young people.
is
liked
are
loved
时态:
结构:
am / is / are + done
一般现在时
把下列句子改为被动语态:
task
(二)
1.The man repaired the car yesterday.
The car ____ _________ by the man
yesterday.
2.Mrs Song encouraged us to study
hard last week.
We ____ ____________ to study
hard by Mrs Song last week.
was
repaired
were
encouraged
时态:
结构:
was/were + done
一般过去时
把下列句子改为被动语态:
task
(三)
1.The city will build the new airport
next year.
The new airport _____ ____ _______
next year.
2.Yingpan Middle School is going to
send two students to Hongkong to
study.
Two students____ ____ ____ ____ ____
to Hongkong to study.
will
be
are
be
时态:
结构:
will /be going to + be +done
一般将来时
built
going
to
sent
含有情态动词的被动语态:
情态动词 + be + done
You mustn’t clean the room today.
The room______ __ ______ by you today.
2.We should finish our homework on time.
Our homework_____ ___ ______
by us on time.
(四)
mustn’t
should
结构:
be
cleaned
be
finished
Part 3
4a Rewrite the sentences according to the example.
1. You must clean your bedroom every day.
Your bedroom must be cleaned every day .
2. Parents should encourage teenagers to do social work for their community.
Teenagers _____________________________
work for their community
should be encouraged to do social
3. Can Lucy do her homework tomorrow instead?
Can________________________________
__________________________________ ?
Lucy’s homework be done by her
tomorrow instead
Do you think we must keep teenagers away from the Internet?
Do you think teenagers _______________
__________________________ ?
must be kept away
from the Internet
5. Parents should give teenagers chances to make their own decisions.
Teenagers should be given chances to make their own decisions.
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 ____________(educate) to take care
of themselves from a young age. This way, when
they _______(start) working they can manage
their own lives. However, in most Asian
be asked
are allowed
be educated
start
manage one’s own life
1.-- Who your bedroom at your home?
-- My bedroom by my mother/ myself. (clean)
2.-- Who your clothes?(wash)
-- My clothes by my mother/ myself/washing machine.
洗衣机
cleans
is cleaned
washes
are washed
3.-- Who meals at your home?
-- The meals by my mother/ me.(cook)
4.-- Who flowers at your home?
--The flowers by my father.(water)
cooks
are cooked
waters
are watered
5.-- Who out the trash at your home?
-- The trash out by my mother/ myself. (take)
6.-- Who the dishes at your home?
--The dishes by my father. (do)
7.-- Who your bed at your home?
--My bed by myself.(make)
takes
is taken
does
are done
makes
is made
一般现在时:
一般过去时:
一般将来时:
情态动词:
am/is /are + done
情态动词+be+done
will + be + done
was/were + done
以下时态的被动语态构成
Summary
Task 4
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