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