(共24张PPT)
Unit 7
Section A (1a~2d)
+ Grammar Focus
含有情态动词的被动语态
You should finish your homework today.
We can’t see the stars in the daytime.
You must do the work at once.
英语的语态有两种，即主动语态和被动语态。含有情态动词的
被动语态通常由________ + ___ + ______构成，在翻译
被动语态时需要中文中加入___字。
情态动词
Your homework should be finished today.
The stars can’t be seen in the daytime.
The work must be done at once.
be
过去分词
被
Research & Extension
Feedback
Textbook P52 4a
Practice makes perfect
Rewrite the sentences according to the example.
4a
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 __________________________________
______________________________. 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
Feedback
Practice makes perfect
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________________________________ _______________________.
must be kept away from
the Internet (by us)
should be given chances (by their parents)
to make their own decisions
Do you have many rules at school and at home
smoke
Should teenagers be allowed to…
drive
Should sixteen-year-olds be allowed to…
have part-time jobs
Should students be allowed to…
get their ears pierced
Should sixteen-year-olds be allowed to…
choose their own clothes
Should sixteen-year-olds be allowed to…
1b
Listen and circle “T” (for true) or “F” (for false).
Anna can go to the shopping center by bus. T F
Anna wants to get her ears pierced. T F
Anna wants to choose her own clothes. T F
Interaction & Extension
1b
Tape scripts
Anna: Mom, can I go to the shopping center with John He
just got his driver’s license.
Woman: No way! I don’t think sixteen-year-olds should
be allowed to drive. They aren’t serious enough.
I’m worried about your safety.
Anna: But Gaby’s getting her ears pierced at the shopping
center and I want to watch.
Woman: Sixteen-year-olds shouldn’t be allowed to get their
ears pierced either. They’re too young.
Research & Extension
1. My father allows me to play basketball at the weekend.
2. Teenagers should be allowed to choose their own clothes.
Feedback 课时练P91
allow sb. to do sth. “允许某人做某事”
sb. be allowed to do sth. “某人被允许做某事”
=I am allowed to play basketball at the weekend
(by my father).
3. We don’t allow smoking in public places.
allow doing sth. “允许做某事”
Research & Extension
Sixteen-year-olds should be allowed to get their ears pierced.
I will have/get my car repaired.
由例句可知，“get/have + sth. +动词的_______”意思是
“使某事被做”或 “让别人做某事”。
过去分词
动词的过去分词表示的动作往往是别人做的，与句中的主语无关。
Feedback 课时练P92
--- Your hair is too long. You had better get it _____, John.
--- OK, Mom.
A. cuts B. cutting C. cut D. to cut
1c
Pair work
A: I don’t think sixteen-year-olds should be allowed to drive.
B: I agree. They aren’t serious enough. /
I disagree. They are old enough.
Example
Look at the statements in 1a and make conversations. Use the phrases in the box below.
too wild not serious enough
too young not old enough
too silly not calm enough
Interaction
2a
What does Molly think of Kathy’s statements Listen and circle A for Agree, D for Disagree or DK for Doesn’t Know.
Kathy
1. Sixteen-year-olds should not be allowed to work at night.
2. Larry shouldn’t work every night.
3. He should cut his hair.
4. He should stop wearing that silly earring.
5. He doesn’t seem to have many friends.
A D DK
Interaction & Research
A D DK
A D DK
A D DK
A D DK
2b
Listen again. What are Kathy’s and Molly’s reasons Number their reasons in the correct order.
____ It looks cool.
____ Young people need to sleep.
____ He needs to spend time with friends.
____ He needs time to do homework.
____ It doesn’t look clean.
4
1
5
2
3
Interaction & Research
2d
Listen to the conversation between Sandy and Wu Lan and answer the following questions.
1. Where will Sandy and Wu Lan go for their school trip
2. Does Mr. Smith allow students to take photos
They will go to the art museum for their school trip.
No, he doesn’t. It’s not allowed in the museum.
Research & Interaction
1. Passive voice: 含有情态动词的被动语态
情态动词 + be + 过去分词 + (by…)
2. Language points:
sb. be allowed to do… 某人被允许做……
allow sb. to do… 允许某人做……
sixteen-year-olds 16岁的青少年
get sth done 使某事被做
driver’s license 驾照
not serious enough 不够谨慎
cut one’s hair 剪头发
need time to do… 需要时间做……
Section A
Textbook – P52 4b
Feedback
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.
Fill in the blanks with the correct forms of the words in brackets.
be asked
are allowed
be educated
start
4b
Research & Interaction
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.
move
take
continue
Research & Interaction
Homework
