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