I could darken you could darken she could darken we could darken you could darken they could darken
Forma com V-ing
I could be darkening you could be darkening she could be darkening we could be darkening you could be darkening they could be darkening
Perfeito
I could have darkened you could have darkened she could have darkened we could have darkened you could have darkened they could have darkened
Perfeito com V-ing
I could have been darkening you could have been darkening she could have been darkening we could have been darkening you could have been darkening they could have been darkening
Negação
Forma simple
I couldn't darken you couldn't darken she couldn't darken we couldn't darken you couldn't darken they couldn't darken
Forma com V-ing
I couldn't be darkening you couldn't be darkening she couldn't be darkening we couldn't be darkening you couldn't be darkening they couldn't be darkening
Perfeito
I couldn't have darkened you couldn't have darkened she couldn't have darkened we couldn't have darkened you couldn't have darkened they couldn't have darkened
Perfeito com V-ing
I couldn't have been darkening you couldn't have been darkening she couldn't have been darkening we couldn't have been darkening you couldn't have been darkening they couldn't have been darkening
Forma interrogativa
Forma simple
could I darken? could you darken? could she darken? could we darken? could you darken? could they darken?
Forma com V-ing
could I be darkening? could you be darkening? could she be darkening? could we be darkening? could you be darkening? could they be darkening?
Perfeito
could I have darkened? could you have darkened? could she have darkened? could we have darkened? could you have darkened? could they have darkened?
Perfeito com V-ing
could I have been darkening? could you have been darkening? could she have been darkening? could we have been darkening? could you have been darkening? could they have been darkening?
Forma interro-Negação
Forma simple
couldn't I darken? couldn't you darken? couldn't she darken? couldn't we darken? couldn't you darken? couldn't they darken?
Forma com V-ing
couldn't I be darkening? couldn't you be darkening? couldn't she be darkening? couldn't we be darkening? couldn't you be darkening? couldn't they be darkening?
Perfeito
couldn't I have darkened? couldn't you have darkened? couldn't she have darkened? couldn't we have darkened? couldn't you have darkened? couldn't they have darkened?
Perfeito com V-ing
couldn't I have been darkening? couldn't you have been darkening? couldn't she have been darkening? couldn't we have been darkening? couldn't you have been darkening? couldn't they have been darkening?