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