4
1) Has she been lying in the sun?
2) Has he been playing football?
3) Have you been crying?
4) What has he been doing?
5) How long have you been waiting for Kathy?
5
1) How long has my sister been learning Italian?
2) How long have we been waiting for him?
3) How long have they been talking?
4) How long has she been playing the piano?