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