A bit of "Modals of Speculation and Deduction"

David didn't sleep all night. He ??? be really tired this morning

• must

• can't

That ??? be Kai's mum. She's got long red hair just like Kai!

• must

• can't

Look at the lovely flowers. It ??? be spring.

• must

• can't

Marcus ??? be from France because he speaks excellent French.

• must

• can't

Chris ??? like Jane or he would have invited her to the party.

• must

• can't

James never goes to Blackpool. He ??? hate the place.

• must

• can't

Leah always buys this coffee, she ??? love the taste of it.

Sally ??? be hungry, she's only just eaten her lunch!

Leave the TV on, there ??? be something interesting on later.

Ellis ??? call me tonight, so don't occupy the phone for too long.