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