Jill : It ……………………… be important. (assumption)
Tom : …………………… you read the postmark? (ability)
Jill : It ……………………….. be from the taxman. (possibility)
Tom : No, it …………………….. be from him. He always uses a special envelope. (negative
(assumption)
Jill : It ……………………….. be from your bank manager (possibility), so you ………….
open it immediately. (advice)
Tom : Yes, I ………………………… stop putting it off (obligation). Now, let’s see. Is it
good news or bad?
I) Draw conclutions using CAN’T / MUST / MIGHT:
1.
He drives a very expensive car and owns a private plane. (rich)
………………………………………………………………………………
2.
He spends all day walking round the town. (job)
………………………………………………………………………………
3.
They are asking the way to the city center. (tourist)
………………………………………………………………………………
4.
She works for a daily newspaper. She goes to the big football matches. (sports reporter)
………………………………………………………………………………
5.
I thought he studied medicine, but she’s going to an outdoor job now. (doctor)
………………………………………………………………………………
6.
She teaches maths at the university. (stupid)
……………………………………………………………………………….
7.
A: What happened to your leg?
B: I slipped badly on the ice and broke it.
A: Oh! That …………………………………………. hurt a lot.
B: It does.
8.
A: Listen! Do you hear a noise like someone shouting?
B: Yes, I do. The new neighbours upstairs ………………………………… quarrel again.
9.
A: I ……………………………………………….. get a rise in my salary soon.
B: What makes you think so?
A: The boss seemed very pleased with my last project.
10.
A: That man over there looks like our district manager.
B: No, he ………………………………………. be him. He went to the USA three days
ago and hasn’t returned yet.
J) Fill in MUST or MUSTN’T:
1.
It’s cold. You ……………………….. leave without your jacket.
2.
You …………………. eat fruit and vegetables to stay healthy.
3.
I ……………………… go to the post office. I have a letter to send.
4.
You ……………………….. speak rudely to your parents.
5.
You ……………………….. park here – it’s illegal.
6.
We ………………………. hurry or we’ll miss the bus.
