Complete sentences with the right form of the verb.
1. I have already done/ have been doing my homework
2.She hasn’t been/ hasn’t been being in Paris yet
3.You have never played/ have never been playing the guitar
4.We have run/ have been running for 2 hours already
5.They have watched/ have been watching TV for 1 hour
6.How long has he swum/ has he been swimming?