课 型： 语法课年 级： 9 年级授课教师： 谢迎春

Unit 7Unit 7 Teenagers should be Teenagers should be

allowed to choose their allowed to choose their own clothesown clothes

Music -enjoying time

hit, dog, cat, mouse

The dog hits the cat; The cat is hit by the dog.

the cat hits the mouse; The mouse is hit by the cat.

the mouse hits the cat, too.

The cat is hit by the dog and the mouse at the same time.Who is hurt worst do you think?

hit – hit - hit

hurt – hurt -hurt

Revision

Revision

A cartoon called Mulan:

She cut her hair by herself.

=Her hair was cut by herself.

Discussion:

Do you think if she should take her father’s place to fight in the army?

I think she should do it because …

/she shouldn’t do it because…

Passive voice in simple present Passive voice in simple present tense and simple past tense tense and simple past tense 一般现在时和一般过去时的被动语态一般现在时和一般过去时的被动语态

Revision

Simple present tense

一般现在时Simple past tense

一般过去时Sb./Sth. am/is/are + done （ 过 去 分 词 ） + by...

For example:

The ball is played by the dog.

Sb./Sth. Was/were + done （过去分词） + by...

For example:

The ball was played by the dog last night.

In the poem we learned last class, there are some sentences like these:

1. I should be allowed to eat some

(ice cream)!

2. I should be allowed to watch scary movies.

3. I should not be told what to do!

Do you agree or disagree? Why?

Lead in

As students, what are the rules in our school? Are you allowed to ... ? bring your phones

Keep long hair

smoke

do exercise

Lead in

In my opinion, we should be allowed to… But we shouldn’t be allowed to…

Discussion

Discussion:

The sentences you can use:

We are allowed to do sth.

我们被允许做某事We should be allowed to do sth.

我们应该被允许做某事We shouldn’t be allowed to do sth.

我们不应该被允许做某事

Presentation

Find out the verbs in the sentences on the left:

Should be allowed to…

Should be encouraged to…

Should not be allowed to…

May be allowed to…

Can you find out some rules?

Presentation

含有情态动词的句子：主动语态：主语 + 情态动词 + 动词原形被动语态：肯定句：主语 + 情态动词 +be+ 动词过去分词否定句：主语 + 情态动词 +not+be+ 动词过去分

词一般疑问句： 情态动词 + 主语 +not+be+ 动词过去分词？

Presentation

含有情态动词的被动语态一般结构：情态动词 +(not)+be+done （动词的过去分词）

Presentation

情态动词 情 态 动 词+be+done

意义

should should (not) be done

( 不 ) 应 该被……

may/might may/might (not) be done

可 能 ( 不 )被……

can/could can/could

(not) be done

( 不 ) 可 以被……

must must (not) be done

一 定 ( 不 )被……

汤姆应该被鼓励去参加这个比赛。 Tom should be encouraged to take part

in this competition.

格林小姐工作努力，或许会被老板表扬（ praise ）。

Miss Green works hard. She may be praised by her boss.

在课堂上使用手机是不应该被允许的。 Using phones in class should not be

allowed.

Practice

Rewrite the sentences according to Rewrite the sentences according to the the example.example.

1. You must clean your bedroom every day. Your bedroom___________________.2. Parents should encourage teenagers to do social work for their community. Teenagers ____________________________ _____________________________________.3. Can Lucy do her homework tomorrow instead? Can _______________________________?

should be encouraged (by their parents) to do social work for their community

the homework be done (by Lucy) tomorrow instead

4a

Practice

must be cleaned every day

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_________________________________________________________________

keep…away from 避免接近，远离keep…away from 避免接近，远离

n. 机会，可能性n. 机会，可能性自己做决定自己做决定

must be kept away from the Internet

should be given chances to make their own decisions.

Practice

Fill in the blanks with the correct Fill in the blanks with the correct forms forms of the words in brackets.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.

v. 完成；应付v. 完成；应付

be asked

are allowed

be educatedv. 教育v. 教育

start

4b

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.

v. 继续v. 继续

move

take

continue

Practice

n. 社会n. 社会

Smart phones 智能手机

Production

Student A :

students should/can/may be allowed to use smart phones…

Student B:

students shouldn’t/mustn’t/couldn’t be allowed to use smart phones…

Should middle school students beShould middle school students be allowed to use allowed to use smart phonessmart phones??

Production

I think students should be allowed to use smart phones because ...

(online dictionary 在线字典 , use the Internet to study, play games ... )

I think students should not be allowed to use smart phones because ...

(waste time, not necessary, too much bad information )

Production

Production

Writing: (group work)

If you are the class teacher(班主任 ) of our class, make a list of our new class rules (Write at least 8 sentences.The more, the better.)

We should/ can/ may/… be allowed to…

We should/might/may/could/… not

be allowed to…

homework

1. Recite the sentences in Grammar Focus.

2. Do the exercise in self-check on P56.

3. Think about your home rules. Write at least 5 sentences. Using these strustures:

I am allowed to …

I should/can /…be allowed to…

I should /must /…not be allowed to…