I could enhance you could enhance he could enhance we could enhance you could enhance they could enhance
Forma com V-ing
I could be enhancing you could be enhancing he could be enhancing we could be enhancing you could be enhancing they could be enhancing
Perfeito
I could have enhanced you could have enhanced he could have enhanced we could have enhanced you could have enhanced they could have enhanced
Perfeito com V-ing
I could have been enhancing you could have been enhancing he could have been enhancing we could have been enhancing you could have been enhancing they could have been enhancing
Negação
Forma simple
I could not enhance you could not enhance he could not enhance we could not enhance you could not enhance they could not enhance
Forma com V-ing
I could not be enhancing you could not be enhancing he could not be enhancing we could not be enhancing you could not be enhancing they could not be enhancing
Perfeito
I could not have enhanced you could not have enhanced he could not have enhanced we could not have enhanced you could not have enhanced they could not have enhanced
Perfeito com V-ing
I could not have been enhancing you could not have been enhancing he could not have been enhancing we could not have been enhancing you could not have been enhancing they could not have been enhancing
Forma interrogativa
Forma simple
could I enhance? could you enhance? could he enhance? could we enhance? could you enhance? could they enhance?
Forma com V-ing
could I be enhancing? could you be enhancing? could he be enhancing? could we be enhancing? could you be enhancing? could they be enhancing?
Perfeito
could I have enhanced? could you have enhanced? could he have enhanced? could we have enhanced? could you have enhanced? could they have enhanced?
Perfeito com V-ing
could I have been enhancing? could you have been enhancing? could he have been enhancing? could we have been enhancing? could you have been enhancing? could they have been enhancing?
Forma interro-Negação
Forma simple
could I not enhance? could you not enhance? could he not enhance? could we not enhance? could you not enhance? could they not enhance?
Forma com V-ing
could I not be enhancing? could you not be enhancing? could he not be enhancing? could we not be enhancing? could you not be enhancing? could they not be enhancing?
Perfeito
could I not have enhanced? could you not have enhanced? could he not have enhanced? could we not have enhanced? could you not have enhanced? could they not have enhanced?
Perfeito com V-ing
could I not have been enhancing? could you not have been enhancing? could he not have been enhancing? could we not have been enhancing? could you not have been enhancing? could they not have been enhancing?