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