Conjugación del verbo inglés
MUST SADDEN

Verbo regular: sadden - saddened - saddened

Afirmación

Forma simple	Forma con V-ing
I must sadden you must sadden he must sadden we must sadden you must sadden they must sadden	I must be saddening you must be saddening he must be saddening we must be saddening you must be saddening they must be saddening
Perfecto	Perfecto con V-ing
I must have saddened you must have saddened he must have saddened we must have saddened you must have saddened they must have saddened	I must have been saddening you must have been saddening he must have been saddening we must have been saddening you must have been saddening they must have been saddening

Negación

Forma simple	Forma con V-ing
I mustn't sadden you mustn't sadden he mustn't sadden we mustn't sadden you mustn't sadden they mustn't sadden	I mustn't be saddening you mustn't be saddening he mustn't be saddening we mustn't be saddening you mustn't be saddening they mustn't be saddening
Perfecto	Perfecto con V-ing
I mustn't have saddened you mustn't have saddened he mustn't have saddened we mustn't have saddened you mustn't have saddened they mustn't have saddened	I mustn't have been saddening you mustn't have been saddening he mustn't have been saddening we mustn't have been saddening you mustn't have been saddening they mustn't have been saddening

Forma interrogativa

Forma simple	Forma con V-ing
must I sadden? must you sadden? must he sadden? must we sadden? must you sadden? must they sadden?	must I be saddening? must you be saddening? must he be saddening? must we be saddening? must you be saddening? must they be saddening?
Perfecto	Perfecto con V-ing
must I have saddened? must you have saddened? must he have saddened? must we have saddened? must you have saddened? must they have saddened?	must I have been saddening? must you have been saddening? must he have been saddening? must we have been saddening? must you have been saddening? must they have been saddening?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I sadden? mustn't you sadden? mustn't he sadden? mustn't we sadden? mustn't you sadden? mustn't they sadden?	mustn't I be saddening? mustn't you be saddening? mustn't he be saddening? mustn't we be saddening? mustn't you be saddening? mustn't they be saddening?
Perfecto	Perfecto con V-ing
mustn't I have saddened? mustn't you have saddened? mustn't he have saddened? mustn't we have saddened? mustn't you have saddened? mustn't they have saddened?	mustn't I have been saddening? mustn't you have been saddening? mustn't he have been saddening? mustn't we have been saddening? mustn't you have been saddening? mustn't they have been saddening?