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--It might belong to Alice. She plays the guitar.
4. --这是谁的T恤？--不可能是约翰的，对他来说太小了。
--Whose T-shirt is this?
--It can’t be John’s. It is too small for him.
1. 熟记词汇: laboratory, outdoors, coat, sleepy
2. 掌握以下句型：
--Whose volleyball is this?
--It must be Carla’s. She loves volleyball.
--It could be Mei’s hair band.
--I’m not sure, but it can’t be a dog.
3. 归纳情态动词表示推测的用法并熟练掌握运
用。
Grammar Focus
A: Whose volleyball is this?
B: It must be Carla’s. She loves volleyball.
A: Whose hair band is this?
B: It could be Mei’s hair band. Or it might
belong to Linda. They both have long
hair.
A: What did you see that night?
B: I’m not sure. But it can’t be a dog. It was
bigger. I think it might be a bear or a wolf.
Work in four groups.
Task 1. Read the sentences .
Task 2. Translate the sentences.
Task 3. Try to act the sentences.
Task 4. Sum up the usage of modal verbs.
The use of modal verbs
初中阶段应掌握的表示推测的情态动词有：
must, can, could, may, might