I'll be filtering you'll be filtering he'll be filtering we'll be filtering you'll be filtering they'll be filtering
Futuro anteriore
I'll have filtered you'll have filtered he'll have filtered we'll have filtered you'll have filtered they'll have filtered
Futuro anteriore contínuo
I'll have been filtering you'll have been filtering he'll have been filtering we'll have been filtering you'll have been filtering they'll have been filtering
I'd be filtering you'd be filtering he'd be filtering we'd be filtering you'd be filtering they'd be filtering
Passato
I'd have filtered you'd have filtered he'd have filtered we'd have filtered you'd have filtered they'd have filtered
Passato continuo
I'd have been filtering you'd have been filtering he'd have been filtering we'd have been filtering you'd have been filtering they'd have been filtering