I could prolong you could prolong she could prolong we could prolong you could prolong they could prolong
Forma con V-ing
I could be prolonging you could be prolonging she could be prolonging we could be prolonging you could be prolonging they could be prolonging
Perfetto
I could have prolonged you could have prolonged she could have prolonged we could have prolonged you could have prolonged they could have prolonged
Perfetto con V-ing
I could have been prolonging you could have been prolonging she could have been prolonging we could have been prolonging you could have been prolonging they could have been prolonging
Negazione
Forma semplice
I could not prolong you could not prolong she could not prolong we could not prolong you could not prolong they could not prolong
Forma con V-ing
I could not be prolonging you could not be prolonging she could not be prolonging we could not be prolonging you could not be prolonging they could not be prolonging
Perfetto
I could not have prolonged you could not have prolonged she could not have prolonged we could not have prolonged you could not have prolonged they could not have prolonged
Perfetto con V-ing
I could not have been prolonging you could not have been prolonging she could not have been prolonging we could not have been prolonging you could not have been prolonging they could not have been prolonging
Forma interrogativa
Forma semplice
could I prolong? could you prolong? could she prolong? could we prolong? could you prolong? could they prolong?
Forma con V-ing
could I be prolonging? could you be prolonging? could she be prolonging? could we be prolonging? could you be prolonging? could they be prolonging?
Perfetto
could I have prolonged? could you have prolonged? could she have prolonged? could we have prolonged? could you have prolonged? could they have prolonged?
Perfetto con V-ing
could I have been prolonging? could you have been prolonging? could she have been prolonging? could we have been prolonging? could you have been prolonging? could they have been prolonging?
Forma interro-negativa
Forma semplice
could I not prolong? could you not prolong? could she not prolong? could we not prolong? could you not prolong? could they not prolong?
Forma con V-ing
could I not be prolonging? could you not be prolonging? could she not be prolonging? could we not be prolonging? could you not be prolonging? could they not be prolonging?
Perfetto
could I not have prolonged? could you not have prolonged? could she not have prolonged? could we not have prolonged? could you not have prolonged? could they not have prolonged?
Perfetto con V-ing
could I not have been prolonging? could you not have been prolonging? could she not have been prolonging? could we not have been prolonging? could you not have been prolonging? could they not have been prolonging?