They might be married
He must have climbed through the window
He can't be very old
They might be brother and sister
They must have a close relationship
He might be famous.
She must be at home
He might have walked through the French windows.
She might be making a video conference with a family member.
She can't be working
He must be hiding
They can't be working
She might be chatting to friends.
He could have used another neighbour's window.
He must have robbed a bank
He can't have used the main door
He can't have taken a lot of money
He could be afraid
He must be a chef
The helicopter can't be very new
The driver of the helicopter might be a dangerous person.
He must be running away.
