1)
It (has been snowing) all day.
2) Hi, Tom. I (have not seen) you for
weeks. What (have you been doing) all this time?
3) I (have written) to them three times,
but I (haven't got) any answer yet.
4) Bill (has been) here since the 5 of
November.
5) I (have meet) Mrs Gordon many times this week.
6) Colin, you
(have already missed) very many classes.
7) I (have been phoning) Diana for three hours
already, but she is not at home yet.
8) It's 11 p.m. I (have been working) on the
computer since six and I (have not finished) yet.
9) I have always (wanted) to make a
four of Spain.
10) The telephone (has been ringing) for almost a minute.