I've been understanding you've been understanding he's been understanding we've been understanding you've been understanding they've been understanding
I'll be understanding you'll be understanding he'll be understanding we'll be understanding you'll be understanding they'll be understanding
futuro perfeito
I'll have understood you'll have understood he'll have understood we'll have understood you'll have understood they'll have understood
futuro perfeito contínuo
I'll have been understanding you'll have been understanding he'll have been understanding we'll have been understanding you'll have been understanding they'll have been understanding
I'd be understanding you'd be understanding he'd be understanding we'd be understanding you'd be understanding they'd be understanding
Passado
I'd have understood you'd have understood he'd have understood we'd have understood you'd have understood they'd have understood
Passado contínuo
I'd have been understanding you'd have been understanding he'd have been understanding we'd have been understanding you'd have been understanding they'd have been understanding