I've been preacknowledging you've been preacknowledging he's been preacknowledging we've been preacknowledging you've been preacknowledging they've been preacknowledging
I'd been preacknowledging you'd been preacknowledging he'd been preacknowledging we'd been preacknowledging you'd been preacknowledging they'd been preacknowledging
I'll be preacknowledging you'll be preacknowledging he'll be preacknowledging we'll be preacknowledging you'll be preacknowledging they'll be preacknowledging
Futuro anteriore
I'll have preacknowledged you'll have preacknowledged he'll have preacknowledged we'll have preacknowledged you'll have preacknowledged they'll have preacknowledged
Futuro anteriore contínuo
I'll have been preacknowledging you'll have been preacknowledging he'll have been preacknowledging we'll have been preacknowledging you'll have been preacknowledging they'll have been preacknowledging
I'd be preacknowledging you'd be preacknowledging he'd be preacknowledging we'd be preacknowledging you'd be preacknowledging they'd be preacknowledging
Passato
I'd have preacknowledged you'd have preacknowledged he'd have preacknowledged we'd have preacknowledged you'd have preacknowledged they'd have preacknowledged
Passato continuo
I'd have been preacknowledging you'd have been preacknowledging he'd have been preacknowledging we'd have been preacknowledging you'd have been preacknowledging they'd have been preacknowledging