Modals of Deduction

They ________ be away for the weekend but I'm not sure

• might

• must

He ________ be French, judging by his accent.

• can

• could

They _____ still be out! It's freezing outside.

• can't

• could

With luck, tomorrow ________ be a sunny day

• can't

• could

The exam _______ be easy. You never know.

• might

• must

It ______ be true about Big Foot living in your backyard. It's impossible

• may

• can't

Andy thinks she's from Australia but I think she _______ be from New Zealand

• can't

• might

This ______ be a good topic, but we'll have to check with the teacher to make sure.

• must

• could

I think Peru _______ end up going to the World Cup in 2022.

• can't

• could

She's been studying 8 hours a day for 3 weeks. She _____ be exhausted.

• must

• might