I could devolve you could devolve she could devolve we could devolve you could devolve they could devolve
Forma con V-ing
I could be devolving you could be devolving she could be devolving we could be devolving you could be devolving they could be devolving
Perfecto
I could have devolved you could have devolved she could have devolved we could have devolved you could have devolved they could have devolved
Perfecto con V-ing
I could have been devolving you could have been devolving she could have been devolving we could have been devolving you could have been devolving they could have been devolving
Negación
Forma simple
I could not devolve you could not devolve she could not devolve we could not devolve you could not devolve they could not devolve
Forma con V-ing
I could not be devolving you could not be devolving she could not be devolving we could not be devolving you could not be devolving they could not be devolving
Perfecto
I could not have devolved you could not have devolved she could not have devolved we could not have devolved you could not have devolved they could not have devolved
Perfecto con V-ing
I could not have been devolving you could not have been devolving she could not have been devolving we could not have been devolving you could not have been devolving they could not have been devolving
Forma interrogativa
Forma simple
could I devolve? could you devolve? could she devolve? could we devolve? could you devolve? could they devolve?
Forma con V-ing
could I be devolving? could you be devolving? could she be devolving? could we be devolving? could you be devolving? could they be devolving?
Perfecto
could I have devolved? could you have devolved? could she have devolved? could we have devolved? could you have devolved? could they have devolved?
Perfecto con V-ing
could I have been devolving? could you have been devolving? could she have been devolving? could we have been devolving? could you have been devolving? could they have been devolving?
Forma interro-negativa
Forma simple
could I not devolve? could you not devolve? could she not devolve? could we not devolve? could you not devolve? could they not devolve?
Forma con V-ing
could I not be devolving? could you not be devolving? could she not be devolving? could we not be devolving? could you not be devolving? could they not be devolving?
Perfecto
could I not have devolved? could you not have devolved? could she not have devolved? could we not have devolved? could you not have devolved? could they not have devolved?
Perfecto con V-ing
could I not have been devolving? could you not have been devolving? could she not have been devolving? could we not have been devolving? could you not have been devolving? could they not have been devolving?