I'll be challenging you'll be challenging he'll be challenging we'll be challenging you'll be challenging they'll be challenging
futuro perfeito
I'll have challenged you'll have challenged he'll have challenged we'll have challenged you'll have challenged they'll have challenged
futuro perfeito contínuo
I'll have been challenging you'll have been challenging he'll have been challenging we'll have been challenging you'll have been challenging they'll have been challenging
I'd be challenging you'd be challenging he'd be challenging we'd be challenging you'd be challenging they'd be challenging
Passado
I'd have challenged you'd have challenged he'd have challenged we'd have challenged you'd have challenged they'd have challenged
Passado contínuo
I'd have been challenging you'd have been challenging he'd have been challenging we'd have been challenging you'd have been challenging they'd have been challenging