I can blacken you can blacken she can blacken we can blacken you can blacken they can blacken
Forma con V-ing
I can be blackening you can be blackening she can be blackening we can be blackening you can be blackening they can be blackening
Perfecto
I can have blackened you can have blackened she can have blackened we can have blackened you can have blackened they can have blackened
Perfecto con V-ing
I can have been blackening you can have been blackening she can have been blackening we can have been blackening you can have been blackening they can have been blackening
Negación
Forma simple
I cannot blacken you cannot blacken she cannot blacken we cannot blacken you cannot blacken they cannot blacken
Forma con V-ing
I cannot be blackening you cannot be blackening she cannot be blackening we cannot be blackening you cannot be blackening they cannot be blackening
Perfecto
I cannot have blackened you cannot have blackened she cannot have blackened we cannot have blackened you cannot have blackened they cannot have blackened
Perfecto con V-ing
I cannot have been blackening you cannot have been blackening she cannot have been blackening we cannot have been blackening you cannot have been blackening they cannot have been blackening
Forma interrogativa
Forma simple
can I blacken? can you blacken? can she blacken? can we blacken? can you blacken? can they blacken?
Forma con V-ing
can I be blackening? can you be blackening? can she be blackening? can we be blackening? can you be blackening? can they be blackening?
Perfecto
can I have blackened? can you have blackened? can she have blackened? can we have blackened? can you have blackened? can they have blackened?
Perfecto con V-ing
can I have been blackening? can you have been blackening? can she have been blackening? can we have been blackening? can you have been blackening? can they have been blackening?
Forma interro-negativa
Forma simple
can I not blacken? can you not blacken? can she not blacken? can we not blacken? can you not blacken? can they not blacken?
Forma con V-ing
can I not be blackening? can you not be blackening? can she not be blackening? can we not be blackening? can you not be blackening? can they not be blackening?
Perfecto
can I not have blackened? can you not have blackened? can she not have blackened? can we not have blackened? can you not have blackened? can they not have blackened?
Perfecto con V-ing
can I not have been blackening? can you not have been blackening? can she not have been blackening? can we not have been blackening? can you not have been blackening? can they not have been blackening?