I'll be heightening you'll be heightening he'll be heightening we'll be heightening you'll be heightening they'll be heightening
Future perfect
I'll have heightened you'll have heightened he'll have heightened we'll have heightened you'll have heightened they'll have heightened
Future perfect continuous
I'll have been heightening you'll have been heightening he'll have been heightening we'll have been heightening you'll have been heightening they'll have been heightening
I'd be heightening you'd be heightening he'd be heightening we'd be heightening you'd be heightening they'd be heightening
Past
I'd have heightened you'd have heightened he'd have heightened we'd have heightened you'd have heightened they'd have heightened
Past continuous
I'd have been heightening you'd have been heightening he'd have been heightening we'd have been heightening you'd have been heightening they'd have been heightening