I could list you could list she could list we could list you could list they could list
Forma con V-ing
I could be listing you could be listing she could be listing we could be listing you could be listing they could be listing
Perfetto
I could have listed you could have listed she could have listed we could have listed you could have listed they could have listed
Perfetto con V-ing
I could have been listing you could have been listing she could have been listing we could have been listing you could have been listing they could have been listing
Negazione
Forma semplice
I could not list you could not list she could not list we could not list you could not list they could not list
Forma con V-ing
I could not be listing you could not be listing she could not be listing we could not be listing you could not be listing they could not be listing
Perfetto
I could not have listed you could not have listed she could not have listed we could not have listed you could not have listed they could not have listed
Perfetto con V-ing
I could not have been listing you could not have been listing she could not have been listing we could not have been listing you could not have been listing they could not have been listing
Forma interrogativa
Forma semplice
could I list? could you list? could she list? could we list? could you list? could they list?
Forma con V-ing
could I be listing? could you be listing? could she be listing? could we be listing? could you be listing? could they be listing?
Perfetto
could I have listed? could you have listed? could she have listed? could we have listed? could you have listed? could they have listed?
Perfetto con V-ing
could I have been listing? could you have been listing? could she have been listing? could we have been listing? could you have been listing? could they have been listing?
Forma interro-negativa
Forma semplice
could I not list? could you not list? could she not list? could we not list? could you not list? could they not list?
Forma con V-ing
could I not be listing? could you not be listing? could she not be listing? could we not be listing? could you not be listing? could they not be listing?
Perfetto
could I not have listed? could you not have listed? could she not have listed? could we not have listed? could you not have listed? could they not have listed?
Perfetto con V-ing
could I not have been listing? could you not have been listing? could she not have been listing? could we not have been listing? could you not have been listing? could they not have been listing?