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(共23张PPT)
It must belong to Carla.
Unit 8
What does she do
She could/might be a/an______.
Guess
nurse
She must be
a______.
What does she do
She could/might
be a/an ______.
a teacher
She must
be a ______.
What does he do
He could/might
be a/an ______.
doctor
He must
be a ______.
What is the panda doing
It might /could be____.
reading a book
It must be_______________.
Whose notebook is this
It has her name on it.
= It must belong to Mary.
It must be Mary’s.
Mary
Whose skirt is this
Jane
Mike
It must belong to Jane.
It can’t belong to Mike.
Because she is the only woman here.
Whose skirt is this
Jane
Mike
Miss Yang
Miss Yang
It could be
It might belong to
Jane’s.
Miss Yang’s.
Jane.
Miss Yang.
It can’t
be Mike’s.
belong to Mike.
Whose … is this
It can’t be xx’s. Because…
It must be xx’s. Because…
It could /might be xx’s. Because…
belong to xxx.
belong to xxx.
belong to xxx.
表示推测的情态动词
　 在英语中，表示对某事物的确定程度，
即表示推测的时候，我们通常会用到以下情态动词：
must, might, could, may, can’t, couldn’t
Presentation
must
can’t
could
might
100%
probably true
20%-80%
possibly true
0
almost not true
Exercises
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
jacket
T-shirt
toy truck
magazine
book
CD
cups
Person Thing Reason
Jane’s little brother Mary Carla Deng Wen Grace volleyball toy truck magazine book CD J.K.Rowing is her favorite writer.
She loves volleyball.
He was the only little kid at the picnic.
She always listens to pop music.
He loves rabbits.
Listen and match each person with a thing and a reason.
1b
The ...must belong to sb./be one’s, because ....
Person Thing Reason
Mary book J.K. Rowling is her favorite writer.
Carla volleyball She loves volleyball.
Grace CD She always listens to pop music.
Pair work
Bob and Anna found a schoolbag at the park. Listen and write down the things in the schoolbag.
2a
Things in the schoolbag
1. T-shirt
2. ____________
3. ____________
hair band
tennis balls
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
Listen again. Fill in the blanks.
2b
Guessing game
What do you think these pictures are
A: It might be a man riding a horse.
B: I agree. But it could also be a map of islands.
A: It might be an old woman
looking down.
B: I agree. But it could also be a
young woman looking away.
must, might, could,
may, can’t, couldn’t
Recite the new words.
2.Finish the workbook of Section A 1a-2d.
Thank you!
Bye-bye

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