I have been a member of the swimming team ___ I was in high school.
SINCE
I've lived in this town __ 10 years.
FOR
I have attended this school ___ I was in seventh grade.
SINCE
We have lived in this house ___ five years.
FOR
She has been interested in photography ___ she was a teenager.
SINCE
He has been a fan of that band ___ they started.
SINCE
We have been friends ___ we were kids.
SINCE
He has played basketball ___ a long time.
FOR
I have studied French ___ three months.
FOR
I've been a surgeon __ 20 years.
FOR