I must mistake you must mistake he must mistake we must mistake you must mistake they must mistake
Forma con V-ing
I must be mistaking you must be mistaking he must be mistaking we must be mistaking you must be mistaking they must be mistaking
Perfecto
I must have mistaken you must have mistaken he must have mistaken we must have mistaken you must have mistaken they must have mistaken
Perfecto con V-ing
I must have been mistaking you must have been mistaking he must have been mistaking we must have been mistaking you must have been mistaking they must have been mistaking
Negación
Forma simple
I mustn't mistake you mustn't mistake he mustn't mistake we mustn't mistake you mustn't mistake they mustn't mistake
Forma con V-ing
I mustn't be mistaking you mustn't be mistaking he mustn't be mistaking we mustn't be mistaking you mustn't be mistaking they mustn't be mistaking
Perfecto
I mustn't have mistaken you mustn't have mistaken he mustn't have mistaken we mustn't have mistaken you mustn't have mistaken they mustn't have mistaken
Perfecto con V-ing
I mustn't have been mistaking you mustn't have been mistaking he mustn't have been mistaking we mustn't have been mistaking you mustn't have been mistaking they mustn't have been mistaking
Forma interrogativa
Forma simple
must I mistake? must you mistake? must he mistake? must we mistake? must you mistake? must they mistake?
Forma con V-ing
must I be mistaking? must you be mistaking? must he be mistaking? must we be mistaking? must you be mistaking? must they be mistaking?
Perfecto
must I have mistaken? must you have mistaken? must he have mistaken? must we have mistaken? must you have mistaken? must they have mistaken?
Perfecto con V-ing
must I have been mistaking? must you have been mistaking? must he have been mistaking? must we have been mistaking? must you have been mistaking? must they have been mistaking?
Forma interro-negativa
Forma simple
mustn't I mistake? mustn't you mistake? mustn't he mistake? mustn't we mistake? mustn't you mistake? mustn't they mistake?
Forma con V-ing
mustn't I be mistaking? mustn't you be mistaking? mustn't he be mistaking? mustn't we be mistaking? mustn't you be mistaking? mustn't they be mistaking?
Perfecto
mustn't I have mistaken? mustn't you have mistaken? mustn't he have mistaken? mustn't we have mistaken? mustn't you have mistaken? mustn't they have mistaken?
Perfecto con V-ing
mustn't I have been mistaking? mustn't you have been mistaking? mustn't he have been mistaking? mustn't we have been mistaking? mustn't you have been mistaking? mustn't they have been mistaking?