I'll be brightening you'll be brightening he'll be brightening we'll be brightening you'll be brightening they'll be brightening
Future perfect
I'll have brightened you'll have brightened he'll have brightened we'll have brightened you'll have brightened they'll have brightened
Future perfect continuous
I'll have been brightening you'll have been brightening he'll have been brightening we'll have been brightening you'll have been brightening they'll have been brightening
I'd be brightening you'd be brightening he'd be brightening we'd be brightening you'd be brightening they'd be brightening
Past
I'd have brightened you'd have brightened he'd have brightened we'd have brightened you'd have brightened they'd have brightened
Past continuous
I'd have been brightening you'd have been brightening he'd have been brightening we'd have been brightening you'd have been brightening they'd have been brightening