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