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 perfeito
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 perfeito 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 contínuo
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