I'd be dumbfounding you'd be dumbfounding he'd be dumbfounding we'd be dumbfounding you'd be dumbfounding they'd be dumbfounding
Perfect
I would've dumbfounded you would've dumbfounded he would've dumbfounded we would've dumbfounded you would've dumbfounded they would've dumbfounded
V-ing perfect
I would've been dumbfounding you would've been dumbfounding he would've been dumbfounding we would've been dumbfounding you would've been dumbfounding they would've been dumbfounding
Negation
Simple form
I wouldn't dumbfound you wouldn't dumbfound he wouldn't dumbfound we wouldn't dumbfound you wouldn't dumbfound they wouldn't dumbfound
V-ing form
I wouldn't be dumbfounding you wouldn't be dumbfounding he wouldn't be dumbfounding we wouldn't be dumbfounding you wouldn't be dumbfounding they wouldn't be dumbfounding
Perfect
I wouldn't have dumbfounded you wouldn't have dumbfounded he wouldn't have dumbfounded we wouldn't have dumbfounded you wouldn't have dumbfounded they wouldn't have dumbfounded
V-ing perfect
I wouldn't have been dumbfounding you wouldn't have been dumbfounding he wouldn't have been dumbfounding we wouldn't have been dumbfounding you wouldn't have been dumbfounding they wouldn't have been dumbfounding
Interrogative form
Simple form
would I dumbfound? would you dumbfound? would he dumbfound? would we dumbfound? would you dumbfound? would they dumbfound?
V-ing form
would I be dumbfounding? would you be dumbfounding? would he be dumbfounding? would we be dumbfounding? would you be dumbfounding? would they be dumbfounding?
Perfect
would I have dumbfounded? would you have dumbfounded? would he have dumbfounded? would we have dumbfounded? would you have dumbfounded? would they have dumbfounded?
V-ing perfect
would I have been dumbfounding? would you have been dumbfounding? would he have been dumbfounding? would we have been dumbfounding? would you have been dumbfounding? would they have been dumbfounding?
Interro-negative form
Simple form
wouldn't I dumbfound? wouldn't you dumbfound? wouldn't he dumbfound? wouldn't we dumbfound? wouldn't you dumbfound? wouldn't they dumbfound?
V-ing form
wouldn't I be dumbfounding? wouldn't you be dumbfounding? wouldn't he be dumbfounding? wouldn't we be dumbfounding? wouldn't you be dumbfounding? wouldn't they be dumbfounding?
Perfect
wouldn't I have dumbfounded? wouldn't you have dumbfounded? wouldn't he have dumbfounded? wouldn't we have dumbfounded? wouldn't you have dumbfounded? wouldn't they have dumbfounded?
V-ing perfect
wouldn't I have been dumbfounding? wouldn't you have been dumbfounding? wouldn't he have been dumbfounding? wouldn't we have been dumbfounding? wouldn't you have been dumbfounding? wouldn't they have been dumbfounding?