I can darken you can darken she can darken we can darken you can darken they can darken
Forma com V-ing
I can be darkening you can be darkening she can be darkening we can be darkening you can be darkening they can be darkening
Perfeito
I can have darkened you can have darkened she can have darkened we can have darkened you can have darkened they can have darkened
Perfeito com V-ing
I can have been darkening you can have been darkening she can have been darkening we can have been darkening you can have been darkening they can have been darkening
Negação
Forma simple
I cannot darken you cannot darken she cannot darken we cannot darken you cannot darken they cannot darken
Forma com V-ing
I cannot be darkening you cannot be darkening she cannot be darkening we cannot be darkening you cannot be darkening they cannot be darkening
Perfeito
I cannot have darkened you cannot have darkened she cannot have darkened we cannot have darkened you cannot have darkened they cannot have darkened
Perfeito com V-ing
I cannot have been darkening you cannot have been darkening she cannot have been darkening we cannot have been darkening you cannot have been darkening they cannot have been darkening
Forma interrogativa
Forma simple
can I darken? can you darken? can she darken? can we darken? can you darken? can they darken?
Forma com V-ing
can I be darkening? can you be darkening? can she be darkening? can we be darkening? can you be darkening? can they be darkening?
Perfeito
can I have darkened? can you have darkened? can she have darkened? can we have darkened? can you have darkened? can they have darkened?
Perfeito com V-ing
can I have been darkening? can you have been darkening? can she have been darkening? can we have been darkening? can you have been darkening? can they have been darkening?
Forma interro-Negação
Forma simple
can I not darken? can you not darken? can she not darken? can we not darken? can you not darken? can they not darken?
Forma com V-ing
can I not be darkening? can you not be darkening? can she not be darkening? can we not be darkening? can you not be darkening? can they not be darkening?
Perfeito
can I not have darkened? can you not have darkened? can she not have darkened? can we not have darkened? can you not have darkened? can they not have darkened?
Perfeito com V-ing
can I not have been darkening? can you not have been darkening? can she not have been darkening? can we not have been darkening? can you not have been darkening? can they not have been darkening?