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