I'll be dumbfounding you'll be dumbfounding he'll be dumbfounding we'll be dumbfounding you'll be dumbfounding they'll be dumbfounding
Futuro perfecto
I'll have dumbfounded you'll have dumbfounded he'll have dumbfounded we'll have dumbfounded you'll have dumbfounded they'll have dumbfounded
Futuro perfecto contínuo
I'll have been dumbfounding you'll have been dumbfounding he'll have been dumbfounding we'll have been dumbfounding you'll have been dumbfounding they'll have been dumbfounding
I'd be dumbfounding you'd be dumbfounding he'd be dumbfounding we'd be dumbfounding you'd be dumbfounding they'd be dumbfounding
Passado
I'd have dumbfounded you'd have dumbfounded he'd have dumbfounded we'd have dumbfounded you'd have dumbfounded they'd have dumbfounded
Passado continuo
I'd have been dumbfounding you'd have been dumbfounding he'd have been dumbfounding we'd have been dumbfounding you'd have been dumbfounding they'd have been dumbfounding