The same using Already.
Example:Water the flowers,please.
I have already watered the flowers.
1.Wash your hands,please.
2.Why don't you clean your shoes?
3.Brush your teeth ,will you?
4.That's a wonderful movie.Do you want to watch it?
5.When will you finish your panting.

1 I have already washed my hands;2 I have already cleaned my shoes;3 I I have already brushed my teeth;4 I have already watched that wonderful movie;5 I have already finished my painting.