Conjugação do verbo inglês
COULD FERMENT

Verbo regular: ferment - fermented - fermented

Afirmação

Forma simple	Forma com V-ing
I could ferment you could ferment he could ferment we could ferment you could ferment they could ferment	I could be fermenting you could be fermenting he could be fermenting we could be fermenting you could be fermenting they could be fermenting
Perfeito	Perfeito com V-ing
I could have fermented you could have fermented he could have fermented we could have fermented you could have fermented they could have fermented	I could have been fermenting you could have been fermenting he could have been fermenting we could have been fermenting you could have been fermenting they could have been fermenting

Negação

Forma simple	Forma com V-ing
I could not ferment you could not ferment he could not ferment we could not ferment you could not ferment they could not ferment	I could not be fermenting you could not be fermenting he could not be fermenting we could not be fermenting you could not be fermenting they could not be fermenting
Perfeito	Perfeito com V-ing
I could not have fermented you could not have fermented he could not have fermented we could not have fermented you could not have fermented they could not have fermented	I could not have been fermenting you could not have been fermenting he 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	Forma com V-ing
could I ferment? could you ferment? could he ferment? could we ferment? could you ferment? could they ferment?	could I be fermenting? could you be fermenting? could he be fermenting? could we be fermenting? could you be fermenting? could they be fermenting?
Perfeito	Perfeito com V-ing
could I have fermented? could you have fermented? could he have fermented? could we have fermented? could you have fermented? could they have fermented?	could I have been fermenting? could you have been fermenting? could he have been fermenting? could we have been fermenting? could you have been fermenting? could they have been fermenting?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not ferment? could you not ferment? could he not ferment? could we not ferment? could you not ferment? could they not ferment?	could I not be fermenting? could you not be fermenting? could he not be fermenting? could we not be fermenting? could you not be fermenting? could they not be fermenting?
Perfeito	Perfeito com V-ing
could I not have fermented? could you not have fermented? could he not have fermented? could we not have fermented? could you not have fermented? could they not have fermented?	could I not have been fermenting? could you not have been fermenting? could he not have been fermenting? could we not have been fermenting? could you not have been fermenting? could they not have been fermenting?