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