I could morph you could morph she could morph we could morph you could morph they could morph
Forma con V-ing
I could be morphing you could be morphing she could be morphing we could be morphing you could be morphing they could be morphing
Perfecto
I could have morphed you could have morphed she could have morphed we could have morphed you could have morphed they could have morphed
Perfecto con V-ing
I could have been morphing you could have been morphing she could have been morphing we could have been morphing you could have been morphing they could have been morphing
Negación
Forma simple
I could not morph you could not morph she could not morph we could not morph you could not morph they could not morph
Forma con V-ing
I could not be morphing you could not be morphing she could not be morphing we could not be morphing you could not be morphing they could not be morphing
Perfecto
I could not have morphed you could not have morphed she could not have morphed we could not have morphed you could not have morphed they could not have morphed
Perfecto con V-ing
I could not have been morphing you could not have been morphing she could not have been morphing we could not have been morphing you could not have been morphing they could not have been morphing
Forma interrogativa
Forma simple
could I morph? could you morph? could she morph? could we morph? could you morph? could they morph?
Forma con V-ing
could I be morphing? could you be morphing? could she be morphing? could we be morphing? could you be morphing? could they be morphing?
Perfecto
could I have morphed? could you have morphed? could she have morphed? could we have morphed? could you have morphed? could they have morphed?
Perfecto con V-ing
could I have been morphing? could you have been morphing? could she have been morphing? could we have been morphing? could you have been morphing? could they have been morphing?
Forma interro-negativa
Forma simple
could I not morph? could you not morph? could she not morph? could we not morph? could you not morph? could they not morph?
Forma con V-ing
could I not be morphing? could you not be morphing? could she not be morphing? could we not be morphing? could you not be morphing? could they not be morphing?
Perfecto
could I not have morphed? could you not have morphed? could she not have morphed? could we not have morphed? could you not have morphed? could they not have morphed?
Perfecto con V-ing
could I not have been morphing? could you not have been morphing? could she not have been morphing? could we not have been morphing? could you not have been morphing? could they not have been morphing?