I could black you could black he could black we could black you could black they could black
Forma com V-ing
I could be blacking you could be blacking he could be blacking we could be blacking you could be blacking they could be blacking
Perfeito
I could have blacked you could have blacked he could have blacked we could have blacked you could have blacked they could have blacked
Perfeito com V-ing
I could have been blacking you could have been blacking he could have been blacking we could have been blacking you could have been blacking they could have been blacking
Negação
Forma simple
I couldn't black you couldn't black he couldn't black we couldn't black you couldn't black they couldn't black
Forma com V-ing
I couldn't be blacking you couldn't be blacking he couldn't be blacking we couldn't be blacking you couldn't be blacking they couldn't be blacking
Perfeito
I couldn't have blacked you couldn't have blacked he couldn't have blacked we couldn't have blacked you couldn't have blacked they couldn't have blacked
Perfeito com V-ing
I couldn't have been blacking you couldn't have been blacking he couldn't have been blacking we couldn't have been blacking you couldn't have been blacking they couldn't have been blacking
Forma interrogativa
Forma simple
could I black? could you black? could he black? could we black? could you black? could they black?
Forma com V-ing
could I be blacking? could you be blacking? could he be blacking? could we be blacking? could you be blacking? could they be blacking?
Perfeito
could I have blacked? could you have blacked? could he have blacked? could we have blacked? could you have blacked? could they have blacked?
Perfeito com V-ing
could I have been blacking? could you have been blacking? could he have been blacking? could we have been blacking? could you have been blacking? could they have been blacking?
Forma interro-Negação
Forma simple
couldn't I black? couldn't you black? couldn't he black? couldn't we black? couldn't you black? couldn't they black?
Forma com V-ing
couldn't I be blacking? couldn't you be blacking? couldn't he be blacking? couldn't we be blacking? couldn't you be blacking? couldn't they be blacking?
Perfeito
couldn't I have blacked? couldn't you have blacked? couldn't he have blacked? couldn't we have blacked? couldn't you have blacked? couldn't they have blacked?
Perfeito com V-ing
couldn't I have been blacking? couldn't you have been blacking? couldn't he have been blacking? couldn't we have been blacking? couldn't you have been blacking? couldn't they have been blacking?