I'll be prolonging you'll be prolonging he'll be prolonging we'll be prolonging you'll be prolonging they'll be prolonging
Futur perfekt
I'll have prolonged you'll have prolonged he'll have prolonged we'll have prolonged you'll have prolonged they'll have prolonged
Futur perfekt kontinuierlich
I'll have been prolonging you'll have been prolonging he'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 he'd be prolonging we'd be prolonging you'd be prolonging they'd be prolonging
Perfekt
I'd have prolonged you'd have prolonged he'd have prolonged we'd have prolonged you'd have prolonged they'd have prolonged
Perfekt kontinuierlich
I'd have been prolonging you'd have been prolonging he'd have been prolonging we'd have been prolonging you'd have been prolonging they'd have been prolonging