[He / She / It / Who? / The boy] has been ... [I / We / You / They / The boys] have been ...
See also .
Also, note that "has been" / "have been" is a form of the verb "to be", so if you can use "am", "is", and "are", you should be able to use these as well.
The money is on the table. The money has been on the table all day.