I'll be narrowing you'll be narrowing she'll be narrowing we'll be narrowing you'll be narrowing they'll be narrowing
Futur antérieur
I'll have narrowed you'll have narrowed she'll have narrowed we'll have narrowed you'll have narrowed they'll have narrowed
Futur antérieur continu
I'll have been narrowing you'll have been narrowing she'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 she'd be narrowing we'd be narrowing you'd be narrowing they'd be narrowing
Passé
I'd have narrowed you'd have narrowed she'd have narrowed we'd have narrowed you'd have narrowed they'd have narrowed
Passé continu
I'd have been narrowing you'd have been narrowing she'd have been narrowing we'd have been narrowing you'd have been narrowing they'd have been narrowing