I've been corresponding you've been corresponding he's been corresponding we've been corresponding you've been corresponding they've been corresponding
I'll be corresponding you'll be corresponding he'll be corresponding we'll be corresponding you'll be corresponding they'll be corresponding
Futur antérieur
I'll have corresponded you'll have corresponded he'll have corresponded we'll have corresponded you'll have corresponded they'll have corresponded
Futur antérieur continu
I'll have been corresponding you'll have been corresponding he'll have been corresponding we'll have been corresponding you'll have been corresponding they'll have been corresponding
I'd be corresponding you'd be corresponding he'd be corresponding we'd be corresponding you'd be corresponding they'd be corresponding
Passé
I'd have corresponded you'd have corresponded he'd have corresponded we'd have corresponded you'd have corresponded they'd have corresponded
Passé continu
I'd have been corresponding you'd have been corresponding he'd have been corresponding we'd have been corresponding you'd have been corresponding they'd have been corresponding