Unit 7 Teenagers should be allowed to choose their own clothes. Section A（Grammar Focus—4c） 课件(共19张P

(共19张PPT)
Unit 7 Teenagers should be allowed to
choose their own clothes.
The Third Period
Section A(Grammar Focus—4c)
Do you think teenagers should be allowed to use the Internet
Warming up
Do you think teenagers should be allowed to use mobile phones
Warming up
Do you think teenagers should be allowed to study with friends after class
Warming up
Do you think teenagers should be allowed to drink or smoke
Warming up
Do you think teenagers should be allowed to choose their own clothes
Warming up
Grammar
Focous
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 photos if we don’t use a flash If you don’t use a flash, then it may be OK.
语法拓展
一、肯定句式：主语+情态动词+be +动词的过去分词（+by +宾语）.
e.g. Your homework should be finished by yourself. 你应该自己完成作业。
二、否定句式：主语+情态动词+not+be+动词的过去分词(+by +宾语）.
e.g. Teenagers should not be allowed to go out at night. 不应该允许青少年晚上外出。
含情态动词的被动语态
三、一般疑问句式：情态动词 +主语+be+动词的过去分词（+by + 宾语）？
肯定回答：Yes, 主语 + should.；否定回答：No, 主语 + shouldn’t.
e.g. —Should these young trees be watered every day 应该每天给这些小 树浇水吗？
—Yes, they should./No, they shouldn’t. 对，应该。/不，不应该。
四、特殊疑问句式：疑问词+ 一般疑问句？
e.g. What should students be allowed to 应该允许学生们做什么？
【注意】
1.含有双宾语的主动句变为被动句时，把代表人的间接宾语变为被动句的主语，把直接宾语变为被动句的宾语；若把主动句的直接宾语变为被动句的主语，间接宾语前必须加介词for或to。
e.g. My aunt gave me a book on my birthday.
I was given a book on my birthday by my aunt.
A book was given to me on my birthday by my aunt.
我的姑妈在我生日时送给我一本书。
2.当主动句中的谓语动词是feel, hear, make, see, watch, look at, notice等时，其后作宾语补足语的动词不定式要省略to，但变为被动句时，要补上动词不定式符号to。
We heard Mary sing a song at the party.我们听见玛丽在聚会上唱歌。
Mary was heard to sing a song at the party by us.
3.含有动词短语的被动句，其短语中的介词或副词不能丢掉。
A tall building was put up in my hometown.我的家乡建起了一座高楼。
4a
Rewrite the sentences according to the example.
1. You must clean your bedroom every day.
Your bedroom must be cleaned every day .
2. I will do the housework in the afternoon.
The housework will be done in the afternoon .
3. Parents will encourage their children to do social work for their community.
Children ___________________________________________________.
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 __________________________________________________.
will be encouraged to do social work for their community
must be kept away from the Internet
should be given chances to make their own decisions
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 be educated 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) 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.
be asked
are allowed
start
move
take
continue
Fill in the blanks with the correct forms of the words in brackets.
4b
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.educate v.教育
educate sb. (to do sth.) 教育某人做……
e.g. Parents should educate their children to behave politely. 父母应该教育他们的孩子有礼貌的行为。
【拓展】education n. 教育
Language Points
2.Parents should give teenagers chances to make their own decisions. 父母应该给青少年自己做决定的机会。（教材第52页）
make one’s own decision =decide on one’s own=decide for oneself 自己做决定
e.g. I can make my own decision/decide for myself and manage my own life. 我可以自己做决定并安排自己的一切生活。
一、用所给单词的适当形式填空
1. —It’s difficult for children to cross the river to school.
—I think a bridge should ___________(build) over the river.
2. Teenagers should _____________ (not allow) to drive.
3. A computer __________ (give) me by my mother last week.
4. He was seen _________(stay) outside last night.
5. —Do you know Earth Day
—Sure. It _______(set) up in 1970 to tell us to protect our planet.
be built
not be allowed
Exercise
was given
to stay
was set
二、句型转换
1.The lights should be turned off before you leave the classroom.(改为主动语态)
You ______ ______ off the lights before you leave the classroom.
2.I can’t hear her sing.(改为被动语态)
She can’t ______ ______ ______ sing.
3. Should we throw waste paper everywhere (改为被动语态)
_______ waste paper ______ ________ everywhere
4.Books should be put into the desk.(对画线部分提问)
________ ________ books ______ ______
should turn
be heard to
Should be thrown
Where should be put
Recite Grammar Focus and translate them.
Homework