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