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futuro perfeito
I'll have described you'll have described she'll have described we'll have described you'll have described they'll have described
futuro perfeito contínuo
I'll have been describing you'll have been describing she'll have been describing we'll have been describing you'll have been describing they'll have been describing
I'd be describing you'd be describing she'd be describing we'd be describing you'd be describing they'd be describing
Passado
I'd have described you'd have described she'd have described we'd have described you'd have described they'd have described
Passado contínuo
I'd have been describing you'd have been describing she'd have been describing we'd have been describing you'd have been describing they'd have been describing