This woman is a model,
She can’t be ugly
For being a model she must be pretty.
He lives in a very big house,
He might be the richest man in the world.
She never eats fast food,
She must be a healthy person.
That book is very expensive,
It must be a really good one.
Robert is at the store,
He can’t be at home
Sara is watching T.V.
She might be watching the History
Channel.
Luke and Lucy sometimes play soccer,
They might be playing right now.
The computer isn’t working,
It might be broken

Must might can not