I could apply you could apply he could apply we could apply you could apply they could apply
Forma con V-ing
I could be applying you could be applying he could be applying we could be applying you could be applying they could be applying
Perfecto
I could have applied you could have applied he could have applied we could have applied you could have applied they could have applied
Perfecto con V-ing
I could have been applying you could have been applying he could have been applying we could have been applying you could have been applying they could have been applying
Negación
Forma simple
I could not apply you could not apply he could not apply we could not apply you could not apply they could not apply
Forma con V-ing
I could not be applying you could not be applying he could not be applying we could not be applying you could not be applying they could not be applying
Perfecto
I could not have applied you could not have applied he could not have applied we could not have applied you could not have applied they could not have applied
Perfecto con V-ing
I could not have been applying you could not have been applying he could not have been applying we could not have been applying you could not have been applying they could not have been applying
Forma interrogativa
Forma simple
could I apply? could you apply? could he apply? could we apply? could you apply? could they apply?
Forma con V-ing
could I be applying? could you be applying? could he be applying? could we be applying? could you be applying? could they be applying?
Perfecto
could I have applied? could you have applied? could he have applied? could we have applied? could you have applied? could they have applied?
Perfecto con V-ing
could I have been applying? could you have been applying? could he have been applying? could we have been applying? could you have been applying? could they have been applying?
Forma interro-negativa
Forma simple
could I not apply? could you not apply? could he not apply? could we not apply? could you not apply? could they not apply?
Forma con V-ing
could I not be applying? could you not be applying? could he not be applying? could we not be applying? could you not be applying? could they not be applying?
Perfecto
could I not have applied? could you not have applied? could he not have applied? could we not have applied? could you not have applied? could they not have applied?
Perfecto con V-ing
could I not have been applying? could you not have been applying? could he not have been applying? could we not have been applying? could you not have been applying? could they not have been applying?