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Unit 3 It must belong to Carla.
第 1 课 时 Section A 1a-2d
Who is he
Let’s enjoy
情 境 导 入
Name: Conan 柯南
detective
looks at clues(线索) &
tries to find out the truth
of the case (案件)
Job:
情 境 导 入
Task 2.
Task 3.
Cases to be solved
I am a little detective (我是小小侦探家).
Case 1
Who is the owner
Who lost the schoolbag
What might it be / …
Case 2
Case 3
情 境 导 入
Case 1
非常现场
What did they find after the picnic
Picnic:
a meal you eat outside
新 课 探 究
Let’s find some clues(线索).
Who do these things belong to
新 课 探 究
Let’s find some clues(线索).
The CD _______ belong to someone who likes MJ.
must
新 课 探 究
Let’s find some clues(线索).
The CD _______ belong to someone who likes MJ.
must
The book _______ belong to someone who likes Harry Potter.
must
The magazine _______ belong to someone who likes rabbits.
must
1b
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.
Can you guess the answers
Listen and match.
Person Thing Reason
volleyball
toy truck
magazine
book
CD
1b
Carla
She loves volleyball.
Jane’s little brother
He was the only little kid at the picnic.
The volleyball must belong to Carla. She loves volleyball.
Deng Wen
He loves rabbits.
Mary
J.K. Rowling is her favorite writer.
Grace
She always listens to pop music.
The toy truck must belong to Jane’s little brother. He was the only kid.
The magazine must belong to Deng Wen. He loves rabbits.
The book must belong to Mary. J.K. Rowling is her favorite writer.
The CD must belong to Grace. She always listens to pop music.
Check answers
Who does the… belong to
Girl 1: Whose volleyball is this
Boy: It must be Carla’s. She loves volleyball.
Girl 1: How about this toy truck
Girl 2: Hmm ... that toy truck must belong to Jane’s little brother. He was the only
little kid at the picnic. And the magazine must belong to Deng Wen. He loves
rabbits.
Boy: Oh, look, someone left a book.
Girl 2: That book must be Mary’s. J.K. Rowling is her favorite writer.
Girl 1: OK … and how about this CD
Girl 2: Hmm … The CD must belong to Grace. She always listens to pop music.
It must be Carla’s (volleyball).
It must belong to Carla.
That toy truck must be Jane’s little brother’s.
The magazine must be Deng Wen’s.
That book must belong to Mary.
The CD must be Grace’s.
Read loudly! Find out the sentences with “must”.
A: Whose volleyball / … is this
B: It _________ be _________’s because…
/ It _________ belong to_______ because…
Pairwork
1C
Cases to be solved
I am a little detective (我是小小侦探家).
Case 1
Who is the owner
Who lost the schoolbag
What might it be / …
Case 2
Case 3
Case 1 Closed
Guess: What is it
It could / might / be a/an …
Cases to be solved
I am a little detective (我是小小侦探家).
Case 1
Who is the owner
Who lost the schoolbag
What might it be / …
Case 2
Case 3
Case 1 Closed
Bob and Anna found a schoolbag at the park.
They want to find the owner.
What is in the schoolbag
2a
Listen and write down the things in the schoolbag.
a hair band
tennis balls
Things in the schoolbag.
1.
2.
3.
a school T-shirt
2a
a hair band
tennis balls
Things in the schoolbag.
1.
2.
3.
a school T-shirt
Make inferences (推测) about the owner.
The person _____ go to our school.
The person _____ be a boy.
It _____ be Mei’s hair band.
The hair band ______ belong to Linda.
It _____ be Linda’s schoolbag.
2a
must
can’t
could
might
must
Listen and check your answers.
Fill in the blanks with must, might, could or can’t.
1. The notebook _________ be Ming’s. It has her name on the cover.
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
must
might/could
can’t
Exercise
Cases to be solved
I am a little detective (我是小小侦探家).
Case 1
Who is the owner
Who lost the schoolbag
What might it be / …
Case 2
Case 3
Case 2 Closed
Case 1 Closed
What might it be in the picture Why
What might it be in the picture
Let’s report
Cases solved
I am a little detective (我是小小侦探家).
Case 1
Who is the owner
Who lost the schoolbag
What might it be / …
Case 2
Case 3
Case 2 Closed
Case 1 Closed
Case 3 Closed
2d Read and answer the questions.
Why is Linda worried
What are in her schoolbag
Does Linda think her schoolbag is lost Why
Because she can’t find her schoolbag.
Her books, her pink hair band and some tennis balls.
No. She thinks her friends must have picked it up.
A: look! There's a……on the playground. whose ……is it
B: I think it must\might\could\can't …….Because……
C: The…… must\might\could\can't …….Because……
D: I guess the……must\might\could\can't…….Because……
A: Ok, let's pick them up and check if they belong to them……
Groupwork
Each group prepares a bag including different things. Change it. Then guess “Whose things are they And why ”. 每组准备好物品，组组互换，用“must, could, might, can’t”进行小组活动,人人参与。
Take care of our belongings because everything belongs to us is valuable!
1. belong to 属于
中国属于第三世界。
China belongs to the third world.
这双手套是她的。
This pair of gloves is hers.
=This pair of gloves belongs to her.
The car belongs to my uncle.
这句话还可以说：The car is my uncle’s.
The book belongs to me.
= The book is mine.
知识链接
2. attend a concert
听音乐会（go to a concert）
attend v. 出席；参加
Children must attend school.
儿童必须上学。
出席会议 attend the meeting
attend, join, join in, take part in都有“参加”的意思。
区别是：
attend 常用于参加会议、仪式、听报告、听音乐会、听演讲等。
join 参加某团体或组织成为其中一员或参加活动。
join in表示“加入；参加(某种活动)”，in之后接名词
或v.-ing形式。
take part in指参加群众性活动并在其中发挥积极作用。
知识链接
3. Do you have anything valuable in your
schoolbag
valuable adj. 很有用的；宝贵的
这幅绘画非常名贵。
This painting is very valuable.
感谢你提出的宝贵建议。
Thanks for your valuable advice.
这一经历对我很有用。
value n. 价值；价格；重要性
Exercise
1.－Who does this watch _____
－It’s Linda’s．
A. be B. belong to
C. belong D. have
√
2.The VIPs (Very Important Persons) from 21 countries will _____
the APEC in Shanghai this autumn.
A. hold B. take part in
C. join D. attend
√
3.根据句意，写出括号内所给单词的适当形式
Thank you for your __________ (value) help and practical advice.
valuable
情态动词表推测
must
might
can’t
could
Summary
Whose... is this
Homework:
Write down your report.
Preview 2d & check what
might happen to Linda
THANK YOU

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