I'll be substituting you'll be substituting he'll be substituting we'll be substituting you'll be substituting they'll be substituting
futuro perfeito
I'll have substituted you'll have substituted he'll have substituted we'll have substituted you'll have substituted they'll have substituted
futuro perfeito contínuo
I'll have been substituting you'll have been substituting he'll have been substituting we'll have been substituting you'll have been substituting they'll have been substituting
I'd be substituting you'd be substituting he'd be substituting we'd be substituting you'd be substituting they'd be substituting
Passado
I'd have substituted you'd have substituted he'd have substituted we'd have substituted you'd have substituted they'd have substituted
Passado contínuo
I'd have been substituting you'd have been substituting he'd have been substituting we'd have been substituting you'd have been substituting they'd have been substituting