I'll be festering you'll be festering he'll be festering we'll be festering you'll be festering they'll be festering
Futur antérieur
I'll have festered you'll have festered he'll have festered we'll have festered you'll have festered they'll have festered
Futur antérieur continu
I'll have been festering you'll have been festering he'll have been festering we'll have been festering you'll have been festering they'll have been festering
I'd be festering you'd be festering he'd be festering we'd be festering you'd be festering they'd be festering
Passé
I'd have festered you'd have festered he'd have festered we'd have festered you'd have festered they'd have festered
Passé continu
I'd have been festering you'd have been festering he'd have been festering we'd have been festering you'd have been festering they'd have been festering