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