I'll be prefacering you'll be prefacering he'll be prefacering we'll be prefacering you'll be prefacering they'll be prefacering
Future perfect
I'll have prefacered you'll have prefacered he'll have prefacered we'll have prefacered you'll have prefacered they'll have prefacered
Future perfect continuous
I'll have been prefacering you'll have been prefacering he'll have been prefacering we'll have been prefacering you'll have been prefacering they'll have been prefacering
I'd be prefacering you'd be prefacering he'd be prefacering we'd be prefacering you'd be prefacering they'd be prefacering
Past
I'd have prefacered you'd have prefacered he'd have prefacered we'd have prefacered you'd have prefacered they'd have prefacered
Past continuous
I'd have been prefacering you'd have been prefacering he'd have been prefacering we'd have been prefacering you'd have been prefacering they'd have been prefacering