I'm sure he is/must be at home.
He must be watching TV.
The earth is very wet, it must have rained last night.
She is known as an artist.
He couldn't be in the office, I have seen him in the street.
I'm sure he is/must be at home.
He must be watching TV.
The earth is very wet, it must have rained last night.
She is known as an artist.
He couldn't be in the office, I have seen him in the street.