I could underlie you could underlie she could underlie we could underlie you could underlie they could underlie
Forma con V-ing
I could be underlying you could be underlying she could be underlying we could be underlying you could be underlying they could be underlying
Perfecto
I could have underlain you could have underlain she could have underlain we could have underlain you could have underlain they could have underlain
Perfecto con V-ing
I could have been underlying you could have been underlying she could have been underlying we could have been underlying you could have been underlying they could have been underlying
Negación
Forma simple
I could not underlie you could not underlie she could not underlie we could not underlie you could not underlie they could not underlie
Forma con V-ing
I could not be underlying you could not be underlying she could not be underlying we could not be underlying you could not be underlying they could not be underlying
Perfecto
I could not have underlain you could not have underlain she could not have underlain we could not have underlain you could not have underlain they could not have underlain
Perfecto con V-ing
I could not have been underlying you could not have been underlying she could not have been underlying we could not have been underlying you could not have been underlying they could not have been underlying
Forma interrogativa
Forma simple
could I underlie? could you underlie? could she underlie? could we underlie? could you underlie? could they underlie?
Forma con V-ing
could I be underlying? could you be underlying? could she be underlying? could we be underlying? could you be underlying? could they be underlying?
Perfecto
could I have underlain? could you have underlain? could she have underlain? could we have underlain? could you have underlain? could they have underlain?
Perfecto con V-ing
could I have been underlying? could you have been underlying? could she have been underlying? could we have been underlying? could you have been underlying? could they have been underlying?
Forma interro-negativa
Forma simple
could I not underlie? could you not underlie? could she not underlie? could we not underlie? could you not underlie? could they not underlie?
Forma con V-ing
could I not be underlying? could you not be underlying? could she not be underlying? could we not be underlying? could you not be underlying? could they not be underlying?
Perfecto
could I not have underlain? could you not have underlain? could she not have underlain? could we not have underlain? could you not have underlain? could they not have underlain?
Perfecto con V-ing
could I not have been underlying? could you not have been underlying? could she not have been underlying? could we not have been underlying? could you not have been underlying? could they not have been underlying?