Speculation and deduction with modals

Do you think Barry __________________ stolen the laptop?

• might have

• may

• can't be

Betty ______________ very happy. Her new job sounds fantastic.

• must

• must have

• must be

The business can't _________________ very well. They haven't sold anything since last year.

• do

• be doing

• to do

My glasses aren't in their usual place. Someone _____________ them.

• must have moved

• must move

• can't move

No one's answering the phone. They ________________ home.

• might have gone

• must go

• can't go

Jane didn't show up at the party. She ________________ about it.

• must have forgotten

• may forget

• can forget

Tom is not answering his phone. He _______________ asleep.

• might be

• can have

• might have been

There are a lot of clouds in the sky. It ________________ rain again soon.

• can't have

• may

• may be

They _____________ at home. They have just posted a picture from Paris.

• might be

• can't be

• may have be

Jessica never eats pizza. She _____________ be lactose intolerant.

• might

• must have

• might have