I've been preconceiving you've been preconceiving he's been preconceiving we've been preconceiving you've been preconceiving they've been preconceiving
I'll be preconceiving you'll be preconceiving he'll be preconceiving we'll be preconceiving you'll be preconceiving they'll be preconceiving
Future perfect
I'll have preconceived you'll have preconceived he'll have preconceived we'll have preconceived you'll have preconceived they'll have preconceived
Future perfect continuous
I'll have been preconceiving you'll have been preconceiving he'll have been preconceiving we'll have been preconceiving you'll have been preconceiving they'll have been preconceiving
I'd be preconceiving you'd be preconceiving he'd be preconceiving we'd be preconceiving you'd be preconceiving they'd be preconceiving
Past
I'd have preconceived you'd have preconceived he'd have preconceived we'd have preconceived you'd have preconceived they'd have preconceived
Past continuous
I'd have been preconceiving you'd have been preconceiving he'd have been preconceiving we'd have been preconceiving you'd have been preconceiving they'd have been preconceiving