Conjugación del verbo inglés
MUST BLACKEN

Verbo regular: blacken - blackened - blackened

Afirmación

Forma simple	Forma con V-ing
I must blacken you must blacken she must blacken we must blacken you must blacken they must blacken	I must be blackening you must be blackening she must be blackening we must be blackening you must be blackening they must be blackening
Perfecto	Perfecto con V-ing
I must have blackened you must have blackened she must have blackened we must have blackened you must have blackened they must have blackened	I must have been blackening you must have been blackening she must have been blackening we must have been blackening you must have been blackening they must have been blackening

Negación

Forma simple	Forma con V-ing
I mustn't blacken you mustn't blacken she mustn't blacken we mustn't blacken you mustn't blacken they mustn't blacken	I mustn't be blackening you mustn't be blackening she mustn't be blackening we mustn't be blackening you mustn't be blackening they mustn't be blackening
Perfecto	Perfecto con V-ing
I mustn't have blackened you mustn't have blackened she mustn't have blackened we mustn't have blackened you mustn't have blackened they mustn't have blackened	I mustn't have been blackening you mustn't have been blackening she mustn't have been blackening we mustn't have been blackening you mustn't have been blackening they mustn't have been blackening

Forma interrogativa

Forma simple	Forma con V-ing
must I blacken? must you blacken? must she blacken? must we blacken? must you blacken? must they blacken?	must I be blackening? must you be blackening? must she be blackening? must we be blackening? must you be blackening? must they be blackening?
Perfecto	Perfecto con V-ing
must I have blackened? must you have blackened? must she have blackened? must we have blackened? must you have blackened? must they have blackened?	must I have been blackening? must you have been blackening? must she have been blackening? must we have been blackening? must you have been blackening? must they have been blackening?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I blacken? mustn't you blacken? mustn't she blacken? mustn't we blacken? mustn't you blacken? mustn't they blacken?	mustn't I be blackening? mustn't you be blackening? mustn't she be blackening? mustn't we be blackening? mustn't you be blackening? mustn't they be blackening?
Perfecto	Perfecto con V-ing
mustn't I have blackened? mustn't you have blackened? mustn't she have blackened? mustn't we have blackened? mustn't you have blackened? mustn't they have blackened?	mustn't I have been blackening? mustn't you have been blackening? mustn't she have been blackening? mustn't we have been blackening? mustn't you have been blackening? mustn't they have been blackening?