内容正文:
Unit 7
Teenagers should be allowed to choose their own friends.
Section A Grammar Focus- 4C
1.Be able to observe and summarize the sentence structures of passive voice containing modal verbs, as well as the structures of passive voice in different tenses.
2.Use passive voice in specific contexts correctly.
3.Mastet the key words and sentences.
Learning Objectives
By the end of the class, students will
语法聚焦
PART ONE
[观察领悟]
仔细观察例句, 体会画线部分的结构。
1. I think students should be allowed to do homework with friends.
2. Sixteen-year-olds should not be allowed to drive.
3. The work can be finished in two days.
4. He hopes that his reasons may be understood.
5. Something must be done to protect the wild animals.
含情态动词的被动语态
【知识构建】
1. 含情态动词的被动语态的构成:
情态动词(can, may, must, should等)+be+及物动词的过去分词。
2. 含情态动词的被动语态的句式:
(1)否定句式: 主语+情态动词+not+be+及物动词的过去分词+(by. . . ).
(2)疑问句式: 情态动词+主语+be+及物动词的过去分词+(by. . . )?
【学以致用】完成句子。
1. 应该允许孩子有自己的秘密。
Children__________ __________ __________ to have their own secrets.
2. 必须每天打扫我们的教室。
Our classroom__________ __________ __________ every day.
should be allowed
must be cleaned
3. 家庭作业可以明天交。
The homework__________ __________ __________ in tomorrow.
4. 不应该允许十六岁的少年吸烟。
Sixteen-year-olds__________ __________ __________ __________ to smoke.
5. 能在这儿建一个公园吗?
__________ a park__________ __________ here?
can/may be handed
should not be
allowed
Can be built
Grammar Focus
PART TWO
Grammar Focus read and translate.
Model verb
(能;会): (应该):
(也许可以): (愿意):
(必须): (必须,不得不):
(应当):
can, could
shall,should
may,might
will,would
must
have to
ought to
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 ____________________________________.
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 done in the afternoon
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
keep … away from
远离
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 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
4c You and your friend are starting an English club. Make
a list of rules about what should and should not be allowed.
A: Members shoud be allowed to use dictionaries.
B: Yes, but they should only use English-English dictionaries.
Exercises
PART THREE
Ⅰ. 用所给词的适当形式填空
1. He made his own__________ (decide)to join the music club.
2. There are many__________ (society)that provide help for the poor.
3. I regret__________ (make)my mother angry.
4. The boy is too young__________ (look)after himself.
5. He didn’t tell us where__________ (go).
Exercises
decision
societies
making
to look
to go
将下列主动句改为被主动句。
1. We should put those books in the
bookcase.
2. You must clean the blender now.
3. They might not solve the problem.
4. Should they build a zoo in this town?
5. Can we use the oven to heat the soup?
Those books should be put
in the bookcase (by her).
The blender must be cleaned now.
The problem might not be solved
(by them).
Should a zoo be built in town (by them)?
Can the oven be used to heat the soup (by us).
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