For:: desde hace, durante,
How long?
A.-How long have you lived in Madrid?
B.-I´ve lived in Madrid for a long time
A .-How long did you live in Munich?
B.-I lived in Munich for six years
A .-How long did you study in Oxford?
B.-I studied for only a year in Oxford.
A.- And then you went to London, didn´t you?
B.-Yes, I did, but I was there for a short while, not even for a year, I think barely three months.
A.- How long have you lived abroad in all?
B.-Let me see, I reckon I´ve lived abroad for 10 years altogether.