I could spray-paint you could spray-paint he could spray-paint we could spray-paint you could spray-paint they could spray-paint
V-ing form
I could be spray-painting you could be spray-painting he could be spray-painting we could be spray-painting you could be spray-painting they could be spray-painting
Perfect
I could have spray-painted you could have spray-painted he could have spray-painted we could have spray-painted you could have spray-painted they could have spray-painted
V-ing perfect
I could have been spray-painting you could have been spray-painting he could have been spray-painting we could have been spray-painting you could have been spray-painting they could have been spray-painting
Negation
Simple form
I could not spray-paint you could not spray-paint he could not spray-paint we could not spray-paint you could not spray-paint they could not spray-paint
V-ing form
I could not be spray-painting you could not be spray-painting he could not be spray-painting we could not be spray-painting you could not be spray-painting they could not be spray-painting
Perfect
I could not have spray-painted you could not have spray-painted he could not have spray-painted we could not have spray-painted you could not have spray-painted they could not have spray-painted
V-ing perfect
I could not have been spray-painting you could not have been spray-painting he could not have been spray-painting we could not have been spray-painting you could not have been spray-painting they could not have been spray-painting
Interrogative form
Simple form
could I spray-paint? could you spray-paint? could he spray-paint? could we spray-paint? could you spray-paint? could they spray-paint?
V-ing form
could I be spray-painting? could you be spray-painting? could he be spray-painting? could we be spray-painting? could you be spray-painting? could they be spray-painting?
Perfect
could I have spray-painted? could you have spray-painted? could he have spray-painted? could we have spray-painted? could you have spray-painted? could they have spray-painted?
V-ing perfect
could I have been spray-painting? could you have been spray-painting? could he have been spray-painting? could we have been spray-painting? could you have been spray-painting? could they have been spray-painting?
Interro-negative form
Simple form
could I not spray-paint? could you not spray-paint? could he not spray-paint? could we not spray-paint? could you not spray-paint? could they not spray-paint?
V-ing form
could I not be spray-painting? could you not be spray-painting? could he not be spray-painting? could we not be spray-painting? could you not be spray-painting? could they not be spray-painting?
Perfect
could I not have spray-painted? could you not have spray-painted? could he not have spray-painted? could we not have spray-painted? could you not have spray-painted? could they not have spray-painted?
V-ing perfect
could I not have been spray-painting? could you not have been spray-painting? could he not have been spray-painting? could we not have been spray-painting? could you not have been spray-painting? could they not have been spray-painting?