I'll be attesting you'll be attesting he'll be attesting we'll be attesting you'll be attesting they'll be attesting
Futuro anteriore
I'll have attested you'll have attested he'll have attested we'll have attested you'll have attested they'll have attested
Futuro anteriore contínuo
I'll have been attesting you'll have been attesting he'll have been attesting we'll have been attesting you'll have been attesting they'll have been attesting
I'd be attesting you'd be attesting he'd be attesting we'd be attesting you'd be attesting they'd be attesting
Passato
I'd have attested you'd have attested he'd have attested we'd have attested you'd have attested they'd have attested
Passato continuo
I'd have been attesting you'd have been attesting he'd have been attesting we'd have been attesting you'd have been attesting they'd have been attesting