I could brood you could brood she could brood we could brood you could brood they could brood
Forma con V-ing
I could be brooding you could be brooding she could be brooding we could be brooding you could be brooding they could be brooding
Perfecto
I could have brooded you could have brooded she could have brooded we could have brooded you could have brooded they could have brooded
Perfecto con V-ing
I could have been brooding you could have been brooding she could have been brooding we could have been brooding you could have been brooding they could have been brooding
Negación
Forma simple
I could not brood you could not brood she could not brood we could not brood you could not brood they could not brood
Forma con V-ing
I could not be brooding you could not be brooding she could not be brooding we could not be brooding you could not be brooding they could not be brooding
Perfecto
I could not have brooded you could not have brooded she could not have brooded we could not have brooded you could not have brooded they could not have brooded
Perfecto con V-ing
I could not have been brooding you could not have been brooding she could not have been brooding we could not have been brooding you could not have been brooding they could not have been brooding
Forma interrogativa
Forma simple
could I brood? could you brood? could she brood? could we brood? could you brood? could they brood?
Forma con V-ing
could I be brooding? could you be brooding? could she be brooding? could we be brooding? could you be brooding? could they be brooding?
Perfecto
could I have brooded? could you have brooded? could she have brooded? could we have brooded? could you have brooded? could they have brooded?
Perfecto con V-ing
could I have been brooding? could you have been brooding? could she have been brooding? could we have been brooding? could you have been brooding? could they have been brooding?
Forma interro-negativa
Forma simple
could I not brood? could you not brood? could she not brood? could we not brood? could you not brood? could they not brood?
Forma con V-ing
could I not be brooding? could you not be brooding? could she not be brooding? could we not be brooding? could you not be brooding? could they not be brooding?
Perfecto
could I not have brooded? could you not have brooded? could she not have brooded? could we not have brooded? could you not have brooded? could they not have brooded?
Perfecto con V-ing
could I not have been brooding? could you not have been brooding? could she not have been brooding? could we not have been brooding? could you not have been brooding? could they not have been brooding?