Unit 5 It must belong to Carla

Period 2

Fill in the blanks with must, can’t, could or might.

1. Whose earrings are these? They _____ be Mary’s. she wears earrings sometimes.

2. Gina ______ come to the party tonight, but I’m not sure.

3. The telephone is ringing, but nobody answers it. He ______ be at home.

might

might

can’t

4. Is this Tom’s book? Yes, it _____ be his. There is his name on it.

5. You’d better take an umbrella. It ______ rain this afternoon.

6. Mary ______ be in Paris. I saw her in town only a few minutes ago.

must

might

can’t

Oral practice

Look at the following pictures and say some sentences with must, could, might, can’t

Who is he?

What does he/ she do?

What is he doing?

2a2a Listen and write down the things in the backpack.

Things in the backpack.

1.1.

2.2.

3.3.

T-shirtT-shirtHair bandHair band

Tennis ballTennis ball

2b2b

1. The person must 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 backpack.

can’t

could

must

might

1. The notebook ___________be Ming’s. It was on her desk.

2.The homework _______be Carol’s. She wasn’t at school today.

must/might

can’t

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 who’s studying French.

might

must

5. I can’t find my backpack. It ___________ be still at school.

6. The photo ______be Lu’s. Those are his parents.

might/must

must

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.

can’t

might

If you have any idea where it might be, please call me.I think I dropped it during the concert so it might stillbe in the symphony hall.

Dear Anna,

交响乐，曲

5

2

I tried to call you but your mom said you were still at your optometrist appointment (I hope your new glasses look nice!)验光师

约会，指定

4

I really need it because I have a math test tomorrow. It’s crucial that I study for it because it counts 30% to the final exam.

I’m really anxious because I can’t find my backpack.Thanks, Linda.

紧张；担忧

严重的；致关重要的

3

1

Sample conversations(4:P36)

1. — Here is a Chinese-English dict

ionary. It could belong to Mary. I k

now she has one.

— I don’t think so. It can’t be M

ary’s. This one is new, but hers is ol

d.

2. — Here is a flower. The owner

must be a girl.

— Well, it could be a boy. The fl

ower might be a present for his tea

cher.