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