I could evolve you could evolve she could evolve we could evolve you could evolve they could evolve
Forma con V-ing
I could be evolving you could be evolving she could be evolving we could be evolving you could be evolving they could be evolving
Perfecto
I could have evolved you could have evolved she could have evolved we could have evolved you could have evolved they could have evolved
Perfecto con V-ing
I could have been evolving you could have been evolving she could have been evolving we could have been evolving you could have been evolving they could have been evolving
Negación
Forma simple
I could not evolve you could not evolve she could not evolve we could not evolve you could not evolve they could not evolve
Forma con V-ing
I could not be evolving you could not be evolving she could not be evolving we could not be evolving you could not be evolving they could not be evolving
Perfecto
I could not have evolved you could not have evolved she could not have evolved we could not have evolved you could not have evolved they could not have evolved
Perfecto con V-ing
I could not have been evolving you could not have been evolving she could not have been evolving we could not have been evolving you could not have been evolving they could not have been evolving
Forma interrogativa
Forma simple
could I evolve? could you evolve? could she evolve? could we evolve? could you evolve? could they evolve?
Forma con V-ing
could I be evolving? could you be evolving? could she be evolving? could we be evolving? could you be evolving? could they be evolving?
Perfecto
could I have evolved? could you have evolved? could she have evolved? could we have evolved? could you have evolved? could they have evolved?
Perfecto con V-ing
could I have been evolving? could you have been evolving? could she have been evolving? could we have been evolving? could you have been evolving? could they have been evolving?
Forma interro-negativa
Forma simple
could I not evolve? could you not evolve? could she not evolve? could we not evolve? could you not evolve? could they not evolve?
Forma con V-ing
could I not be evolving? could you not be evolving? could she not be evolving? could we not be evolving? could you not be evolving? could they not be evolving?
Perfecto
could I not have evolved? could you not have evolved? could she not have evolved? could we not have evolved? could you not have evolved? could they not have evolved?
Perfecto con V-ing
could I not have been evolving? could you not have been evolving? could she not have been evolving? could we not have been evolving? could you not have been evolving? could they not have been evolving?