Conjugación del verbo inglés
CAN DARKEN

Verbo regular: darken - darkened - darkened

Afirmación

Forma simple	Forma con V-ing
I can darken you can darken he can darken we can darken you can darken they can darken	I can be darkening you can be darkening he can be darkening we can be darkening you can be darkening they can be darkening
Perfecto	Perfecto con V-ing
I can have darkened you can have darkened he can have darkened we can have darkened you can have darkened they can have darkened	I can have been darkening you can have been darkening he can have been darkening we can have been darkening you can have been darkening they can have been darkening

Negación

Forma simple	Forma con V-ing
I cannot darken you cannot darken he cannot darken we cannot darken you cannot darken they cannot darken	I cannot be darkening you cannot be darkening he cannot be darkening we cannot be darkening you cannot be darkening they cannot be darkening
Perfecto	Perfecto con V-ing
I cannot have darkened you cannot have darkened he cannot have darkened we cannot have darkened you cannot have darkened they cannot have darkened	I cannot have been darkening you cannot have been darkening he cannot have been darkening we cannot have been darkening you cannot have been darkening they cannot have been darkening

Forma interrogativa

Forma simple	Forma con V-ing
can I darken? can you darken? can he darken? can we darken? can you darken? can they darken?	can I be darkening? can you be darkening? can he be darkening? can we be darkening? can you be darkening? can they be darkening?
Perfecto	Perfecto con V-ing
can I have darkened? can you have darkened? can he have darkened? can we have darkened? can you have darkened? can they have darkened?	can I have been darkening? can you have been darkening? can he have been darkening? can we have been darkening? can you have been darkening? can they have been darkening?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not darken? can you not darken? can he not darken? can we not darken? can you not darken? can they not darken?	can I not be darkening? can you not be darkening? can he not be darkening? can we not be darkening? can you not be darkening? can they not be darkening?
Perfecto	Perfecto con V-ing
can I not have darkened? can you not have darkened? can he not have darkened? can we not have darkened? can you not have darkened? can they not have darkened?	can I not have been darkening? can you not have been darkening? can he not have been darkening? can we not have been darkening? can you not have been darkening? can they not have been darkening?