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(共37张PPT)
Unit 8 it must belong to Carla
Section A(1a-2d)
Learning goals
At the end of this period , you will be able to
1 . make inferences with “must/might/could/can’t”.
2 . make predictions based on picture prompts ;
3. Talk about belongings .
The girl must be ill.
She must have a cold.
The woman must have a toothache.
Whose book is this
It must be our English teacher’s .
=It must belong to our English teacher .
belong to 属于…
must用在肯定句中表
示较有把握的推测，
意为“一定”。 (100%).
What can you see in the picture
CD
book
T-shirt
volleyball
toy truck
magazine
jacket
hat
plate
cups
jacket
T-shirt
CD (Michael Jackson)
toy truck
magazine(rabbits)
book (Harry Potter)
cup
What are they talking about
They are at an outdoor park .
Maybe they are talking about belongings .
Look and predict
Where are they
Listen and match each person with a thing and a reason.
1b
A: Whose …. is this
B: It must be sb’s/ belong to sb , because…
thing person reason
volleyball Carla She loves volleyball
toy truck He was the only little kid at the picnic.
magazine Deng Wen
book J.K Rowling is her favorite writer.
CD She always listens to pop music.
Jane's little brother
He loves rabbits.
Mary
Grace
It could be _________________.
It also might be __________.
a white vase(花瓶)
two faces
用“might” or “ could” 来
表示推测的可能性很小(可能地,
大概 20%-80%)
Can you guess what it is
Is this dress Tian Tian’s
It can’t be Tian Tian’s.
It can’t belong to Tian Tian.
Tian Tian
用 “can’t” 推测不可能的
事情 (10%以下).
Bob Anna
Bob and Anna found a schoolbag at the park. Listen and write down the things in the schoolbag.
2a
a hair band
tennis balls
can’t
could
might
must
Listen again. Fill in the blanks.
must
2b
100%
probably true
表肯定推测
20%-80%
possibly true
表推测的可能性不大
10%以下
almost not true
表否定推测
could belong to Rita . She is always forgetting things .
She has long hair.
She was at the picnic .
She has long hair and she’s on the tennis team .
情态动词 用法 例句
must 表示很有把握的推测，意为“一定”，只用于肯定句。 The light is out. He must be sleeping.
could 和might 表示不太有把握的推测，意为“可能”。 The pen could / might be Joe’s. I saw it on his desk just now.
can’t 表示很有把握的否定推测，意为“不可能”。 The girl here can’t be Helen. Helen has gone to Beijing.
Summary
Let’s predict .
How might Linda feel
warried
listen and answer .
1 . How might Linda feel and why
2 . Where did Linda last put it
3 . What will she do to solve the problem
2d
She might feel worried . Because she can’t find her schoolbag .
She can’t remember . It might be in the music hall .
She will call her friends to check if anybody has it .
It might be still in the music hall .
So it can’t be stolen .
So could it still be at the park
I think somebody must have picked it up .
Pay attention to these sentences
Let’s do exercises .
一、根据汉英提示完成句子。
1. —这是谁的书 —它一定是格蕾丝的。
—__________ book is this
—It__________ _____ Grace’s.
2. 昨天我参加了音乐会, 因此它可能还在音乐大厅里。
I_________ a concert yesterday so it____________
still _______ in the music hall.
Whose
must be
attended
might/could
be
3. 所以它可能还在公园吗
So___________ it still__________ at the park
4. 我认为一定有人捡到了它。
I think somebody_______ ______ ______ it up.
5. 现在我要给他们打电话查明是否有人捡到了它。
I’ll call them now to _______ ____ _______ has it.
6. 它不可能被偷。
It__________ __________ __________ . 　
might/could　
be　
must have picked
check if anybody
can’t be stolen
Making inferences
might, must, can’t, could
possibility
Talking about belongings
usage
A:Whose…is this？
B:It must/could/can’t
/might be …
Summary
Language points
1. Recite Section A 2d.
2. Finish the exercises in your workbook.
Homework

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