We've been ______ since we were ten.
We've been LIVING IN PARIS since we were 10.
They've been ______ for a long time.
They've been PLAYING THE SAXOPHONE for a long time.
We've been ______ since we were twelve.
We've been BUILDING WEBSITES since we were twelve.
They've been ______ for a long time.
They've been VOLUNTEERING AT A SOUP KITCHEN for a long time.
We've been ______ for a long time.
We've been COLLECTING COMIC BOOKS for a long time.
They've been ______ since they were five.
They've been STUDYING BALLET since they were five.
How long have you been ______?
(BEEN LIVING IN PARIS) For five years.
How long have you been ______?
(PLAYING THE SAXOPHONE) Since I was ten.
How long have you been ______?
(COLLECTING COMIC BOOKS) Since I was seven.
How long have you been ______?
(STUDYING BALLET) For six years.
How long have you been ______?
(BUILDING WEBSITES) For two years.
How long have you been ______?
(VOLUNTEERING AT A SOUP KITCHEN) Since I was eleven.
What's your favorite subject? How long have you been studying it?
My favorite subject is _____. I have been studying ______ (since/for)...
How long have you been living in your city?
I have been living in ______ (since/for)...
How long have you been studying English?
I have been studying English (since/for)...
Do you play an instrument? How long have you been playing it?
I have been playing the ______ (since/for)...
