Modal verbs of certainty and possibility B2

He set off ages ago. He ______ got there by now.

• must have

• can't have

You _____ tired. You've been sleeping for hours.

• can't have been

• can't be

That _____ his dog because I saw him taking it for a walk.

• can't be

• must be

We _____ if we had practised more.

• might have won

• must have won

She _____ to afford the tickets.

• can't be able

• may not be able

They _____ spoken to him because he knew nothing about the party.

• can't have

• must have

He _____ studying because I didn't see him outside.

• can have been

• must have been

I suppose he _____ be with his dad.

• could

• can

They _____ just discovered how the temple was built.

• may have

• can have

It ______ very easy for him to tell her.

• couldn't have been

• mustn't have been