MODAL VERBS FOR DEDUCTION AND SPECULATION (4ESO - U3)

A: Someone's at the door.

B: It's 7 o'clock, so it ______be Mark. He usually comes back home at this time.

• must

• can't

This dress only costs 20€. I think the sales clerk ________ a mistake.

• must have made

• must make

There is no Internet now. She ________ the bill now.

• can't have paid

• must have paid

We ________ to the cinema but we didn't know which film to watch.

• can't go

• could have gone

Everything is wet! It must have rained last night.

• can't have rained

• must have rained

• must rained

Do you remember my birthday party last year? You _____ remember! It was the same day as your graduation.

• can

• must

• can't

• must have

The exam results will be out soon. It _____ be this week or possibly next week.

• must

• might

• can't

You _____ seen her, surely! She was standing right in front of you.

• must

• might have

• can't have

• must have

Let's ask at reception to see if they have your keys. Someone _____ found them.

• can

• could

• might have

• can't have

Oh no! My phone's not in my bag. I _____ left it at home.