I'll be backchecking you'll be backchecking he'll be backchecking we'll be backchecking you'll be backchecking they'll be backchecking
Futuro perfecto
I'll have backchecked you'll have backchecked he'll have backchecked we'll have backchecked you'll have backchecked they'll have backchecked
Futuro perfecto contínuo
I'll have been backchecking you'll have been backchecking he'll have been backchecking we'll have been backchecking you'll have been backchecking they'll have been backchecking
I'd be backchecking you'd be backchecking he'd be backchecking we'd be backchecking you'd be backchecking they'd be backchecking
Passado
I'd have backchecked you'd have backchecked he'd have backchecked we'd have backchecked you'd have backchecked they'd have backchecked
Passado continuo
I'd have been backchecking you'd have been backchecking he'd have been backchecking we'd have been backchecking you'd have been backchecking they'd have been backchecking