1 Helen has been in Ireland since Monday.
2 Helen has been in Ireland for three days.
3 My aunt has lived in Australia for 15 years.
4 Tina is in her office. She has been there since 7 o'clock.
5 India has been an independent country since 1947.
6 The bus is late. We've been waiting for 20 minutes.
7 Nobody lives in those houses. They have been empty for many years.
8 Michael has been ill for a long time. He has been in hospital since October.