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Ch 4

Modals of Deduction

She must be tired · It might be Tom · That can't be right

Exercise 1
Choose the best modal
8 points
Tap the correct answer.
1
She's been running for an hour. She _____ be exhausted.
2
That _____ be the right answer — it's far too big.
3
I'm not sure where Leo is. He _____ be in the library.
4
You _____ be hungry — you haven't eaten all day!
5
The phone is engaged. She _____ talking to someone.
6
Take an umbrella. It _____ rain later.
7
He _____ be at home — I can see him at the café.
8
She _____ know about the party. Don't mention it.
Exercise 2
Complete the deduction
6 points
Write must, might, could or can't (with be if needed).
1
The baby is crying. She hungry. (almost sure)
2
This Maria's coat — it's much too small for her. (impossible)
3
Where's my phone? It in the car. (possible)
4
They aren't answering. They sleeping. (almost sure)
5
You serious! That's a terrible idea. (impossible)
6
I don't know why he's late. He stuck in traffic. (possible)