Unit 7 Teenagers should be allowed to choose their own clothes. Section A Grammar Focus—4c 课件(共25张PP

(共25张PPT)
Unit 7
Teenagers should be allowed to choose their own clothes
Section A GF — 4c
　
How will your life be like in 100 years Can you say any sentences
People will have robots in their homes.
Books will only be on computers, not on paper.
Everything will be free. People won’t
use money.
free
People will live to be 200 years old.
Kids won’t go to school.
They’ll study at home on computers.
There will be only one country.
Fill in the blanks with more, less or fewer.
In the future, there will be _______ fresh water because there will be _____ pollution in the sea.
In 100 years, there will be _______ cars because there will be _______ people in the cities.
more
less
more
more
There will be ______ jobs for people because ________ robots will do the same jobs as people.
I think there will be ________ cities because people will build ______ buildings in the country.
In 50 years, people will have ______ free time because there will be ______ things to do.
more
fewer
more
more
more
fewer
What will the future be like Cities will be more polluted. And there will be fewer trees.
Will people use money in 100 years No, they won’t. Everything will be free.
Will there be world peace Yes, I hope so.
Kids will study at home on computers. They won’t go to school.
Countable nouns Uncountable nouns
There will be more people. There will be fewer trees. There will be more pollution.
There will be less free time.
(名词，和平）
观察例句中含情态动词被动语态的各种形式，补全结论中所缺的内容。
【例句】
1. Many trees should be planted in the
mountains.
含情态动词的被动语态的结构为：情
态动词+____+及物动词的_________。
be 过去分词
含有情态动词的被动语态
2. This problem can’t be worked out very
easily.
变为否定句时只需要在情态动词后加
_____。
3. You can take this book home. （改为被
动语态）
→This book can be taken home (by you).
含有情态动词的主动语态变为被动语态
时，要把主动语态的_____变成被动语
态的主语。
not
宾语
4. —Should the car be washed now
—Yes, it should. / No, it shouldn’t.
汽车必须现在洗吗？
是的，必须现在。/ 不是，不用。
变为一般疑问句时只需把_________提
到句首。结构为_________+ 主语 + be +
及物动词的过去分词(+ 其他)？
肯定回答：Yes，主语 + 情态动词.
否定回答：No，主语 + ______________.
情态动词
情态动词
情态动词+not
This book is made of paper.
2. The grapes are produced in Daze Mountain.
3. The waste water is poured into the river.
不知动作执行者时,常用被动语态.
不必要说出动作执行者时,常用被动语态.
为了突出强调动作的承受者时,常用被动语态.
When to use the passive voice
判断语态的方法
看主语
Li Ming cleaned the blackboard.
The blackboard was cleaned.
主语是动作的执行者，就用主动语态；
主语是动作的承受者，就用被动语态。
(主动语态）
（被动语态）
1.The old man is ill. He _____(must send) to the hospital.
2. Be quiet. Jim with his classmates _____ (invent) something new.
3. A piano concert _____ (give) here last Friday. The pianist _____ (hold) seven concerts over the years.
4. I _____ (order) a cup of coffee twenty minutes ago. Can it _____ (serve) now
Practice 1 ：主动？被动？
主动
被动
被动
被动
主动
主动
1.茶树种在山坡上。
Tea plants _________on the sides of mountains .
2.国际风筝节每年在潍坊举行。
The international kite festival ________in Weifang every year.
3.薯片是无意中被发明出来的。
Potato chips _________ by mistake.
4.人们认为茶是在第六到第七世纪期间传到朝鲜和日本的。
It is believed that tea ___________to Korea and Japan during the 6th and 7th centuries .
5.应该允许青少年选择他们自己的衣服。
Teenagers _______________to choose their own clothes .
6.明天在平度召开运动会。
The sports meeting __________in Pingdu tomorrow.
are grown
is held
were invented
was brought
should be allowed
Practice 2 ：Fill in the blanks
will be held
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 __________________________
___________________________________
________________________________.
should be encouraged (by their parents) to do social work for their community
n. 社区，社团
3. Can Lucy do her homework tomorrow
instead
Can _______________________________
___________________________________
4. Do you think we must keep teenagers
away from the Internet
Do you think teenagers
__________________________________
the homework be done (by Lucy) tomorrow instead
must be kept away from the Internet
keep…away from 避免接近，远离
5. Parents should give teenagers chances to
make their own decisions.
Teenagers
__________________________________
__________________________________.
should be given chances to make their own decisions
n. 机会，可能性
自己做决定
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
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
1. manage v. 完成(困难的事)；
应付(困难局面)
manage to do sth. 设法做成某事
= succeed in doing sth.
e.g. 我们设法及时赶到了机场。
We ________________ the airport
in time.
managed to get to
Language points
【链接】
try to do sth. 设法或试图做某事，但是否
做成了某事，它并不涉及。
e.g. You can try to improve your English by reading English newspapers.
根据句意，用manage或try的适当形式填
空。
1) My brother worked hard and ________ to pass the exam. He was happy.
2) Tom ________ to pass the exam, but failed because of laziness.
managed
tried
2. educate
educate vt. 教育；教导
educate sb. to do sth.
education是educate的名词形式。
e.g. Mr. Zhang always spends lots of
time educating his two children.
They are having a class to educate
teenagers to know the dangers of
smoking.
The government is spending a lot
of money on education.
用educate的适当形式填空。
(1) The purpose of the activity is to
_______ people to protect the
environment.
(2) When my uncle was young, he was
________ in Australia.
(3) In order to receive a better ___________, Jim wants to go to college.
educate
educated
education
1．I think there _____________________(be) a meeting
this afternoon.
2．It is very cold these days. It ________________(snow)
soon.
3．Tomorrow is Jim’s birthday. What ________ you
________(do) for him
4．—________ you ________(be) here this Saturday
—No, I _________________________(visit) my grandparents.
5．He says he _________________________(work) in
Shanghai when he grows up.
will be/is going to be
is going to snow
will
do
Will be
am going to visit/will visit
用所给词的适当形式填空
will work/is going to work
Thank you!
Homework
1. Review the usage of the passive voice .
2. Finish your mind map and do some exercises .