I've been underestimating you've been underestimating she's been underestimating we've been underestimating you've been underestimating they've been underestimating
I'd been underestimating you'd been underestimating she'd been underestimating we'd been underestimating you'd been underestimating they'd been underestimating
I'll be underestimating you'll be underestimating she'll be underestimating we'll be underestimating you'll be underestimating they'll be underestimating
Futuro perfecto
I'll have underestimated you'll have underestimated she'll have underestimated we'll have underestimated you'll have underestimated they'll have underestimated
Futuro perfecto contínuo
I'll have been underestimating you'll have been underestimating she'll have been underestimating we'll have been underestimating you'll have been underestimating they'll have been underestimating
I'd be underestimating you'd be underestimating she'd be underestimating we'd be underestimating you'd be underestimating they'd be underestimating
Passado
I'd have underestimated you'd have underestimated she'd have underestimated we'd have underestimated you'd have underestimated they'd have underestimated
Passado continuo
I'd have been underestimating you'd have been underestimating she'd have been underestimating we'd have been underestimating you'd have been underestimating they'd have been underestimating