I could gee you could gee she could gee we could gee you could gee they could gee
Forma con V-ing
I could be geeing you could be geeing she could be geeing we could be geeing you could be geeing they could be geeing
Perfecto
I could have geed you could have geed she could have geed we could have geed you could have geed they could have geed
Perfecto con V-ing
I could have been geeing you could have been geeing she could have been geeing we could have been geeing you could have been geeing they could have been geeing
Negación
Forma simple
I could not gee you could not gee she could not gee we could not gee you could not gee they could not gee
Forma con V-ing
I could not be geeing you could not be geeing she could not be geeing we could not be geeing you could not be geeing they could not be geeing
Perfecto
I could not have geed you could not have geed she could not have geed we could not have geed you could not have geed they could not have geed
Perfecto con V-ing
I could not have been geeing you could not have been geeing she could not have been geeing we could not have been geeing you could not have been geeing they could not have been geeing
Forma interrogativa
Forma simple
could I gee? could you gee? could she gee? could we gee? could you gee? could they gee?
Forma con V-ing
could I be geeing? could you be geeing? could she be geeing? could we be geeing? could you be geeing? could they be geeing?
Perfecto
could I have geed? could you have geed? could she have geed? could we have geed? could you have geed? could they have geed?
Perfecto con V-ing
could I have been geeing? could you have been geeing? could she have been geeing? could we have been geeing? could you have been geeing? could they have been geeing?
Forma interro-negativa
Forma simple
could I not gee? could you not gee? could she not gee? could we not gee? could you not gee? could they not gee?
Forma con V-ing
could I not be geeing? could you not be geeing? could she not be geeing? could we not be geeing? could you not be geeing? could they not be geeing?
Perfecto
could I not have geed? could you not have geed? could she not have geed? could we not have geed? could you not have geed? could they not have geed?
Perfecto con V-ing
could I not have been geeing? could you not have been geeing? could she not have been geeing? could we not have been geeing? could you not have been geeing? could they not have been geeing?