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Futuro anteriore
I'll have authored you'll have authored she'll have authored we'll have authored you'll have authored they'll have authored
Futuro anteriore contínuo
I'll have been authoring you'll have been authoring she'll have been authoring we'll have been authoring you'll have been authoring they'll have been authoring
I'd be authoring you'd be authoring she'd be authoring we'd be authoring you'd be authoring they'd be authoring
Passato
I'd have authored you'd have authored she'd have authored we'd have authored you'd have authored they'd have authored
Passato continuo
I'd have been authoring you'd have been authoring she'd have been authoring we'd have been authoring you'd have been authoring they'd have been authoring