How long have you had your dog?
How long has Tim been frightened of water?
How long have you been married?
How long have your parents lived in this house?
How long has Poland been in the EU?
How long has he had his car?
How long have you worked as a teacher?
How long has she known her boyfriend?
They've lived in there for a long time.
He's had it for three years.
We've had it for about two years.
She's known him since May.
It has been since 2004.
I've worked since 1990.
He has been afraid of it since he was a child.
I’ve been married since 1986.