You have...(wear) that coat for years!
been wearing
Hanna has....(have) the same boyfriend since she was at school.
had
He has....(work) in this school since he started teaching.
worked / been working
How long has Mark...(play) the bass guitar?
played / been playing
How long have you...(live) abroad?
lived / been living
We have...(go) to the same dentist since we were children.
been going
I've...(know) you for years.
known
I have....(study) Chinese for two years.
been studying