I'll be rethinking you'll be rethinking he'll be rethinking we'll be rethinking you'll be rethinking they'll be rethinking
Future perfect
I'll have rethought you'll have rethought he'll have rethought we'll have rethought you'll have rethought they'll have rethought
Future perfect continuous
I'll have been rethinking you'll have been rethinking he'll have been rethinking we'll have been rethinking you'll have been rethinking they'll have been rethinking
I'd be rethinking you'd be rethinking he'd be rethinking we'd be rethinking you'd be rethinking they'd be rethinking
Past
I'd have rethought you'd have rethought he'd have rethought we'd have rethought you'd have rethought they'd have rethought
Past continuous
I'd have been rethinking you'd have been rethinking he'd have been rethinking we'd have been rethinking you'd have been rethinking they'd have been rethinking