I can flood you can flood she can flood we can flood you can flood they can flood
V-ing form
I can be flooding you can be flooding she can be flooding we can be flooding you can be flooding they can be flooding
Perfect
I can have flooded you can have flooded she can have flooded we can have flooded you can have flooded they can have flooded
V-ing perfect
I can have been flooding you can have been flooding she can have been flooding we can have been flooding you can have been flooding they can have been flooding
Negation
Simple form
I can't flood you can't flood she can't flood we can't flood you can't flood they can't flood
V-ing form
I can't be flooding you can't be flooding she can't be flooding we can't be flooding you can't be flooding they can't be flooding
Perfect
I can't have flooded you can't have flooded she can't have flooded we can't have flooded you can't have flooded they can't have flooded
V-ing perfect
I can't have been flooding you can't have been flooding she can't have been flooding we can't have been flooding you can't have been flooding they can't have been flooding
Interrogative form
Simple form
can I flood? can you flood? can she flood? can we flood? can you flood? can they flood?
V-ing form
can I be flooding? can you be flooding? can she be flooding? can we be flooding? can you be flooding? can they be flooding?
Perfect
can I have flooded? can you have flooded? can she have flooded? can we have flooded? can you have flooded? can they have flooded?
V-ing perfect
can I have been flooding? can you have been flooding? can she have been flooding? can we have been flooding? can you have been flooding? can they have been flooding?
Interro-negative form
Simple form
can't I flood? can't you flood? can't she flood? can't we flood? can't you flood? can't they flood?
V-ing form
can't I be flooding? can't you be flooding? can't she be flooding? can't we be flooding? can't you be flooding? can't they be flooding?
Perfect
can't I have flooded? can't you have flooded? can't she have flooded? can't we have flooded? can't you have flooded? can't they have flooded?
V-ing perfect
can't I have been flooding? can't you have been flooding? can't she have been flooding? can't we have been flooding? can't you have been flooding? can't they have been flooding?