1) The girls have been dancing since 3 p.m. They are tired.
2) Frank has begun learning Italian recently. He is learning it fast.
3) The other day we met a very famous actor in the street. She was talking with someone.
4) How long have you been living here? - I have been living here all my life.
5) They have been travelling for a month already. Can you say when they will come back home?