I'll be attaching you'll be attaching he'll be attaching we'll be attaching you'll be attaching they'll be attaching
Future perfect
I'll have attached you'll have attached he'll have attached we'll have attached you'll have attached they'll have attached
Future perfect continuous
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
Past
I'd have attached you'd have attached he'd have attached we'd have attached you'd have attached they'd have attached
Past continuous
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