I'll be prolonging you'll be prolonging she'll be prolonging we'll be prolonging you'll be prolonging they'll be prolonging
Futuro perfecto
I'll have prolonged you'll have prolonged she'll have prolonged we'll have prolonged you'll have prolonged they'll have prolonged
Futuro perfecto contínuo
I'll have been prolonging you'll have been prolonging she'll have been prolonging we'll have been prolonging you'll have been prolonging they'll have been prolonging
I'd be prolonging you'd be prolonging she'd be prolonging we'd be prolonging you'd be prolonging they'd be prolonging
Passado
I'd have prolonged you'd have prolonged she'd have prolonged we'd have prolonged you'd have prolonged they'd have prolonged
Passado continuo
I'd have been prolonging you'd have been prolonging she'd have been prolonging we'd have been prolonging you'd have been prolonging they'd have been prolonging