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(共30张PPT)
Unit 8 It must belong to Carla.
Section A 1a-2d
Can you guess what the picture shows
It could be ______________.
It also could be ______________.
a young girl
an old woman
lead in
It could be ______________.
It also could be __________.
Can you guess what the picture shows
a white vase
two faces
Can you guess what the picture shows
It could be ______________.
It also could be __________.
a dog
two girls
Can you guess what the picture shows
正脸：理性
侧脸：敏感
近视：玛丽莲梦露
正常：爱因斯坦
Whose book is this
It must be …, because …
Whose shoes are these
They belong to …, because …
Whose sunglasses are these
It could belong to …, because …
Whose boots are these
They might belong to …, because …
Use “must” to show that you think something
is probably true.
Use “might” or “could” to show that you
think something is possibly true.
Use “can’t” to show that you are almost sure
something is not true.
must
mightcould
can’t
Distinguish “must, might, could, can’t”
sure: must, can’t
not sure: might, could
Grammar
1a
Look at the picture. Write the things you see in the correct columns in the chart.
Clothing Fun things Kitchen things
hat volleyball plate
T-shirt
toy truck
cup
jacket
book (Harry Potter)
magazine (Rabbits)
CD (Michael Jackson)
baseball cap
1b
Listen and match each person with a thing and a reason.
Person Thing Reason
Jane’s little brother volleyball J. K. Rowling is her favorite writer.
Mary toy truck She loves volleyball.
Carla magazine He was the only little kid at the picnic.
Deng Wen book She always listens to pop music.
Grace CD He loves rabbits.
listening
Check answer
Person Thing Reason
Jane’s little brother volleyball J. K. Rowling is her favorite writer.
Mary toy truck She loves volleyball.
Carla magazine He was the only little kid at the picnic.
Deng Wen book She always listens to pop music.
Grace CD He loves rabbits.
Summary
Can you list all the modal verbs
you can remember
can
ought to
may
will
should
could
must
would
need
might
shall
Which modal verbs above can be
used to make inferences (推论)
can
may
could
might
must
Post-listening
1c
A: Whose book is this
B: It must be Mary’s. J. K. Rowling is her
favorite writer.
Practice the conversation in the picture above. Then make
conversations using the information in 1b.
Post-listening
Guessing game
Step 1: T prepares a small box.
Step 2: T asks each S to put an item into the box.
Step 3: T picks one item from the box randomly and asks Ss
“Whose … is this ”
T: Whose … is it
S: It must / might be … / It can’t be …
T: How did you know that
S: Because …
Things in the schoolbag
1. T-shirt
2.
3.
hair band
tennis balls
2a Bob and Anna found a schoolbag at the park.
Listen and write down the things in the
schoolbag.
listening
1. The person _____ go to our school.
2. The person ______ be a boy.
3. It _____ be Mei’s hair band.
4. The hair band ______ belong to Linda.
5. It _____ be Linda’s schoolbag.
must
can’t
could
might
must
2b Listen again. Fill in the blanks.
listening
Fill in the blanks with must, might, could or can’t.
1. The notebook ___________ be Ming’s. It was on her desk.
2. The homework ________ be Carol’s. She wasn’t at school today.
3. The soccer ball ____________ be John’s or Tony’s. They both play soccer, don’t they
4. The French book _________ be Li Ying’s. She’s the only one that is studying French.
must/might
must
might/could
can’t
Practice
5. I can’t find my backpack. It ___________ be still at school.
6. The photo __________ be Lu’s. Those are his parents.
7. The red bicycle ___________ be Hu’s. She has a blue bicycle.
8. This ticket ___________ be my aunt’s or uncle’s. They’re both going to the concert.
must / might
must
can’t
might / could
Pre-reading
Linda lost her schoolbag. How might Linda feel
Read and complete the chart.
What’s in Linda’s schoolbag Where might the bag be
Why
Her books, pink hair band and some tennis balls.
In the music hall.
She attended
a concert.
At the park.
She went to
a picnic.
While-reading
2d
Role-play the conversation.
Linda: Mom, I’m really worried.
Mom: Why What’s wrong
Linda: I can’t find my schoolbag.
Mom: Well, where did you last put it
Linda: I can’t remember! I attended a concert yesterday so it might
still be in the music hall.
Mom: Do you have anything valuable in your schoolbag
What’s wrong (with sb./ sth.) “（某人/某事）怎么了？”常用来询问某人遇到了什么事情、患了什么疾病或者某物出现了什么问题等。介词with 后引出询问的对象。
attend：出席，参加。常用于指“参加”会议、典礼、婚礼等。
While-reading
While-reading
Linda: No, just my books, my pink hair band and some tennis balls.
Mom: So it can’t be stolen.
Linda: Oh, wait! I went to a picnic after the concert. I remember I
had my schoolbag with me at the picnic.
Mom: So could it still be at the park
Linda: Yes. I left early, before the rest of my friends. I think
somebody must have picked it up. I’ll call them now to check
if anybody has it.
(1) must have done “一定做过……”表示对过去已经发生的情况的肯定推测。表示否定推测要用“can’t have done”，意为“不可能做过……”。
(2) pick up是“动词+副词”型短语。代词作其宾语时，要放在pick与up之间；名词作其宾语时，既可放在pick与up之间,也可放在up之后。
anybody相当于anyone ，多用于疑问句、否定句中或if/
whether之后，意为“有人；任何人”；用在肯定句中，意为“随便哪个人”。
anybody作主语时﹐谓语动词要用第三人称单数形式
I. 根据句意, 从括号内选择合适的单词填空。
1. Amy has practiced dancing for five hours. She ______ (must / can’t) be very tired.
2. Miss Yang ______ (must / can’t) be at home. She
has gone to Shanghai.
3. Don’t play on the street. You ______ (could /can’t)
be hurt by cars.
must
can’t
could
Exercises
4. Bruce _______ (must / might) pass the exam.
I’m not sure.
5. I can’t find my pen at school. It _______
(could / can’t) be at home.
could
might
1. 这本书一定是李雷的。他正在找这本书。
This book must be Li Lei’s. He is
looking for the book.
2. 这个发带可能是韩梅的。她喜欢戴发带。
The hair band could be Han Mei’s.
She likes wearing a hair band.
II. 翻译句子。
Whose … is this
It can’t be …’s. Because …
It must be …’s. Because …
It could / might be …’s. Because …
belong to …
belong to …
belong to …
Summary

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