I could ply you could ply he could ply we could ply you could ply they could ply
Forma con V-ing
I could be plying you could be plying he could be plying we could be plying you could be plying they could be plying
Perfecto
I could have plied you could have plied he could have plied we could have plied you could have plied they could have plied
Perfecto con V-ing
I could have been plying you could have been plying he could have been plying we could have been plying you could have been plying they could have been plying
Negación
Forma simple
I could not ply you could not ply he could not ply we could not ply you could not ply they could not ply
Forma con V-ing
I could not be plying you could not be plying he could not be plying we could not be plying you could not be plying they could not be plying
Perfecto
I could not have plied you could not have plied he could not have plied we could not have plied you could not have plied they could not have plied
Perfecto con V-ing
I could not have been plying you could not have been plying he could not have been plying we could not have been plying you could not have been plying they could not have been plying
Forma interrogativa
Forma simple
could I ply? could you ply? could he ply? could we ply? could you ply? could they ply?
Forma con V-ing
could I be plying? could you be plying? could he be plying? could we be plying? could you be plying? could they be plying?
Perfecto
could I have plied? could you have plied? could he have plied? could we have plied? could you have plied? could they have plied?
Perfecto con V-ing
could I have been plying? could you have been plying? could he have been plying? could we have been plying? could you have been plying? could they have been plying?
Forma interro-negativa
Forma simple
could I not ply? could you not ply? could he not ply? could we not ply? could you not ply? could they not ply?
Forma con V-ing
could I not be plying? could you not be plying? could he not be plying? could we not be plying? could you not be plying? could they not be plying?
Perfecto
could I not have plied? could you not have plied? could he not have plied? could we not have plied? could you not have plied? could they not have plied?
Perfecto con V-ing
could I not have been plying? could you not have been plying? could he not have been plying? could we not have been plying? could you not have been plying? could they not have been plying?