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