Bob has a reporter for several years.

He has been working for Look magazine since 1996.


The Taylors got divorced 6 months ago.

My elder sister lived in Canada last year.


From the age of ten I have want to be an explorer


Since Christmas I have had a computer on my own.


I have been interested in science fiction for many years.


I have known Brian for years.



How long has your teacher been ill?

How long have you got a headache?

How long has David been working in an American Lab?

How long has he been married?

How has he been living in Switzerland?