I could indicate you could indicate she could indicate we could indicate you could indicate they could indicate
Forma con V-ing
I could be indicating you could be indicating she could be indicating we could be indicating you could be indicating they could be indicating
Perfecto
I could have indicated you could have indicated she could have indicated we could have indicated you could have indicated they could have indicated
Perfecto con V-ing
I could have been indicating you could have been indicating she could have been indicating we could have been indicating you could have been indicating they could have been indicating
Negación
Forma simple
I could not indicate you could not indicate she could not indicate we could not indicate you could not indicate they could not indicate
Forma con V-ing
I could not be indicating you could not be indicating she could not be indicating we could not be indicating you could not be indicating they could not be indicating
Perfecto
I could not have indicated you could not have indicated she could not have indicated we could not have indicated you could not have indicated they could not have indicated
Perfecto con V-ing
I could not have been indicating you could not have been indicating she could not have been indicating we could not have been indicating you could not have been indicating they could not have been indicating
Forma interrogativa
Forma simple
could I indicate? could you indicate? could she indicate? could we indicate? could you indicate? could they indicate?
Forma con V-ing
could I be indicating? could you be indicating? could she be indicating? could we be indicating? could you be indicating? could they be indicating?
Perfecto
could I have indicated? could you have indicated? could she have indicated? could we have indicated? could you have indicated? could they have indicated?
Perfecto con V-ing
could I have been indicating? could you have been indicating? could she have been indicating? could we have been indicating? could you have been indicating? could they have been indicating?
Forma interro-negativa
Forma simple
could I not indicate? could you not indicate? could she not indicate? could we not indicate? could you not indicate? could they not indicate?
Forma con V-ing
could I not be indicating? could you not be indicating? could she not be indicating? could we not be indicating? could you not be indicating? could they not be indicating?
Perfecto
could I not have indicated? could you not have indicated? could she not have indicated? could we not have indicated? could you not have indicated? could they not have indicated?
Perfecto con V-ing
could I not have been indicating? could you not have been indicating? could she not have been indicating? could we not have been indicating? could you not have been indicating? could they not have been indicating?