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