Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could spray spray you could spray spray he could spray spray we could spray spray you could spray spray they could spray spray
V-ing form
I could be spray spraying you could be spray spraying he could be spray spraying we could be spray spraying you could be spray spraying they could be spray spraying
Perfect
I could have spray sprayed you could have spray sprayed he could have spray sprayed we could have spray sprayed you could have spray sprayed they could have spray sprayed
V-ing perfect
I could have been spray spraying you could have been spray spraying he could have been spray spraying we could have been spray spraying you could have been spray spraying they could have been spray spraying
Negation
Simple form
I could not spray spray you could not spray spray he could not spray spray we could not spray spray you could not spray spray they could not spray spray
V-ing form
I could not be spray spraying you could not be spray spraying he could not be spray spraying we could not be spray spraying you could not be spray spraying they could not be spray spraying
Perfect
I could not have spray sprayed you could not have spray sprayed he could not have spray sprayed we could not have spray sprayed you could not have spray sprayed they could not have spray sprayed
V-ing perfect
I could not have been spray spraying you could not have been spray spraying he could not have been spray spraying we could not have been spray spraying you could not have been spray spraying they could not have been spray spraying
Interrogative form
Simple form
could I spray spray? could you spray spray? could he spray spray? could we spray spray? could you spray spray? could they spray spray?
V-ing form
could I be spray spraying? could you be spray spraying? could he be spray spraying? could we be spray spraying? could you be spray spraying? could they be spray spraying?
Perfect
could I have spray sprayed? could you have spray sprayed? could he have spray sprayed? could we have spray sprayed? could you have spray sprayed? could they have spray sprayed?
V-ing perfect
could I have been spray spraying? could you have been spray spraying? could he have been spray spraying? could we have been spray spraying? could you have been spray spraying? could they have been spray spraying?
Interro-negative form
Simple form
could I not spray spray? could you not spray spray? could he not spray spray? could we not spray spray? could you not spray spray? could they not spray spray?
V-ing form
could I not be spray spraying? could you not be spray spraying? could he not be spray spraying? could we not be spray spraying? could you not be spray spraying? could they not be spray spraying?
Perfect
could I not have spray sprayed? could you not have spray sprayed? could he not have spray sprayed? could we not have spray sprayed? could you not have spray sprayed? could they not have spray sprayed?
V-ing perfect
could I not have been spray spraying? could you not have been spray spraying? could he not have been spray spraying? could we not have been spray spraying? could you not have been spray spraying? could they not have been spray spraying?