I'll be fluttering you'll be fluttering he'll be fluttering we'll be fluttering you'll be fluttering they'll be fluttering
Futur antérieur
I'll have fluttered you'll have fluttered he'll have fluttered we'll have fluttered you'll have fluttered they'll have fluttered
Futur antérieur continu
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
Passé
I'd have fluttered you'd have fluttered he'd have fluttered we'd have fluttered you'd have fluttered they'd have fluttered
Passé continu
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