I'll be specifying you'll be specifying he'll be specifying we'll be specifying you'll be specifying they'll be specifying
Future perfect
I'll have specified you'll have specified he'll have specified we'll have specified you'll have specified they'll have specified
Future perfect continuous
I'll have been specifying you'll have been specifying he'll have been specifying we'll have been specifying you'll have been specifying they'll have been specifying
I'd be specifying you'd be specifying he'd be specifying we'd be specifying you'd be specifying they'd be specifying
Past
I'd have specified you'd have specified he'd have specified we'd have specified you'd have specified they'd have specified
Past continuous
I'd have been specifying you'd have been specifying he'd have been specifying we'd have been specifying you'd have been specifying they'd have been specifying