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