Unit 7 Teenagers should be allowed to choose their own clothes.Section A(Grammar focus-4c)课件(共25张PPT

(共25张PPT)
英语（人教版）
九年级全册
English
Unit 7
Teenagers should be allowed to
choose their own clothes.
Section A（Grammar focus-4c）
Do your parents allow you to watch TV at home
Yes, they do.
I think you may be allowed to watch TV on weekends. But you may not be allowed to watch TV on school days.
Free talk
1
课堂导入
Do your parents allow you to exercise
Yes, they do.
You should be allowed to exercise.
Do your parents allow you to choose your own clothes
No, they don’t.
You should be allowed to choose your own clothes.
You’re no longer a kid.
Look at these rules, use “I think …”,“I don’t think…”,“I agree/disagree” and “should /shouldn’t be allowed to” to express your own ideas.
Rules for Teenagers
1.Don’t smoke!
2.Don’t drive!
3.Get ears pierced!
4.Have a part-time job!
Students should be encouraged to raise their hands and wait to speak.
Students must be told not to run or skip in
the classroom.
Teachers should encourage students to raise their hands and wait to speak .
Teachers must tell students not to run or skip in the classroom.
Read the following sentences and find out the common features.
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 自己做决定
Grammar Focus
2
课堂活动
He
cleans
his bedroom
every day
His bedroom
is cleaned
by him
every day
动作执行者
谓语动词
动作承受者
其他成分
其他成分
动作执行者
动作承受者
谓语动词
主动语态
被动语态
主动语态转换为被动语态
句式 结构
肯定句 主语+情态动词+ be +及物动词的过去分词（ +by+宾语）.
否定句 主语+情态动词+not + be +及物动词的过去分词（ +by +宾语）.
一般疑问句 情态动词+主语+ be +及物动词的过去分词（+by +宾语）？
特殊疑问句 特殊疑问词+情态动词+主语+be+及物动词的过去分词（+by +宾语）？
含有情态动词的被动语态的句式结构
English must be used in the English club.
Magazines can’t be taken out of the library.
Should the rules be changed
When can the bridge be completed
含有情态动词的被动语态的句式结构
含有情态动词的主动句变为被动句时，有如下步骤：
（1）把主动句的宾语变为被动句的主语；
（2）主动句中的谓语变为“情态动词 + be + 及物动词的过去分词”；
（3）主动句的主语在被动句中变为by的宾语；
（4）其他成分不变。
主动句：We should plant trees in spring.
被动句：Trees should be planted in spring.
含有情态动词的主动句与被动句之间的转换
将下面三个句子改写成被动语态。
1. He cleans his bedroom every day.
2. He cleaned his bedroom yesterday.
3. He should clean his bedroom in the morning.
______________________________________
His bedroom is cleaned by him every day.
His bedroom was cleaned by him yesterday.
______________________________________
______________________________________
His bedroom should be cleaned by him in the morning.
Rewrite the sentences according to the example.
You must clean your bedroom every day.
Your bedroom __________________________________________.
I will do the housework in the afternoon.
The housework will _______________________________________.
3. Parents will encourage their children to do social work for their community.
Children ________________________________________________.
4a
must be cleaned every day
should be encouraged (by their parents) to do social work for their community
be done in the afternoon
Rewrite the sentences according to the example.
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 ________________________________________________.
4a
must be kept away from the Internet
should be given chances to make their own decisions
keep sb./ sth. away from“使某人/某物远离……”；
keep away from“远离......”。
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
be asked
are allowed
4b
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 societies, it is not common for teenagers to _______(move)
be educated
start
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.
take
continue
What do you always do in an English club
attend English corner activities
act our English plays
sing English songs
watch English movies
read English newspapers
listen to English lectures
Brainstorm
A: Members should be allowed to use dictionaries.
B: Yes, but they should only use English-English
dictionaries.
You and your friend are starting an English club. Make a list of rules about what should and should not be allowed.
4c
1. Learn some new words involving this part。
2. Grasp the use of the structure “情态动词+be +done”.
3
课堂小结
一、用括号内所给单词的适当形式填空。
1．More trees should _________(plant) this year.
2．Must the work _________(finish) by 6：30 this afternoon
3．Where can the lost boy ____________(find)
4．Thanks to the Internet，different kinds of information can _______________(learn) in a short time.
5．The water should __________________(not put) here.
6．The bad food shouldn't be __________(eat)．
7．The stars can ______________(not see) in the daytime.
8．Can this kind of bike __________(buy) in that shop
9．The fruit should _________________(keep) well during winter.
be planted
be finished
be found
be learned
not be put
eaten
not be seen
be bought
be kept
4
课堂训练
二、按要求完成下列句子，每空一词。
1．Nobody can answer the question.(改为被动语态)
2．We should clean our teeth twice a day.(改为被动语态)
3．Can you take good care of the children？(改为被动语态)
4．The classroom must be cleaned after school．(画线部分提问)
5．We must wash our hands before meals.(改为被动语态)
The question can't be answered by anybody.
Our teeth should be cleaned twice a day.
Can the children be taken good care of by you
When must the classroom be cleaned
Our hands must be washed before meals.
1. The New Silk Road will offer a good _____ for more nations to communicate.
A. chance B. habit
C. question D. price
2. — The Forum（论坛）on China-Africa Cooperation Meeting will take place in
Beijing this year.
— Yes. I hear thousands of guests ______ to the meeting then.
A. will be invited B. will invite
C. are invited 　 D. invite
A
A
三、单选
3. They all ______ Laura about building a museum here.
A. waited for B. handed in
C. agreed with D. knocked at
4. — Did you talk back to your mother when you were a child
— Yes, but now I realize I was wrong. I really regret ______ that silly thing
to my mum.
A. do B. to do C. doing D. did
5. Sleeping is a good thing, but some people sleep ______.
A. easily B. badly
C. quickly D. well
C
C
B
https://www.21cnjy.com/help/help_extract.php