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