Make up 6 sentences (2 positive, 2 negative, 2 sentences) in Present Perfect Continuous.

sit
play
paint
use
run
cook

1) i have been sitting on this sofa for 2 hours
2) my friend has been playing baseball for 40 minutes
3) we haven’t been painting this picture
4) he hasn’t using this knife
5) have you been cooking for 5 hours?
6) my mom hasn’t been running