I could ferment you could ferment she could ferment we could ferment you could ferment they could ferment
Forma con V-ing
I could be fermenting you could be fermenting she could be fermenting we could be fermenting you could be fermenting they could be fermenting
Perfecto
I could have fermented you could have fermented she could have fermented we could have fermented you could have fermented they could have fermented
Perfecto con V-ing
I could have been fermenting you could have been fermenting she could have been fermenting we could have been fermenting you could have been fermenting they could have been fermenting
Negación
Forma simple
I could not ferment you could not ferment she could not ferment we could not ferment you could not ferment they could not ferment
Forma con V-ing
I could not be fermenting you could not be fermenting she could not be fermenting we could not be fermenting you could not be fermenting they could not be fermenting
Perfecto
I could not have fermented you could not have fermented she could not have fermented we could not have fermented you could not have fermented they could not have fermented
Perfecto con V-ing
I could not have been fermenting you could not have been fermenting she could not have been fermenting we could not have been fermenting you could not have been fermenting they could not have been fermenting
Forma interrogativa
Forma simple
could I ferment? could you ferment? could she ferment? could we ferment? could you ferment? could they ferment?
Forma con V-ing
could I be fermenting? could you be fermenting? could she be fermenting? could we be fermenting? could you be fermenting? could they be fermenting?
Perfecto
could I have fermented? could you have fermented? could she have fermented? could we have fermented? could you have fermented? could they have fermented?
Perfecto con V-ing
could I have been fermenting? could you have been fermenting? could she have been fermenting? could we have been fermenting? could you have been fermenting? could they have been fermenting?
Forma interro-negativa
Forma simple
could I not ferment? could you not ferment? could she not ferment? could we not ferment? could you not ferment? could they not ferment?
Forma con V-ing
could I not be fermenting? could you not be fermenting? could she not be fermenting? could we not be fermenting? could you not be fermenting? could they not be fermenting?
Perfecto
could I not have fermented? could you not have fermented? could she not have fermented? could we not have fermented? could you not have fermented? could they not have fermented?
Perfecto con V-ing
could I not have been fermenting? could you not have been fermenting? could she not have been fermenting? could we not have been fermenting? could you not have been fermenting? could they not have been fermenting?