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