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