I must im you must im she must im we must im you must im they must im
Forma con V-ing
I must be iming you must be iming she must be iming we must be iming you must be iming they must be iming
Perfecto
I must have imed you must have imed she must have imed we must have imed you must have imed they must have imed
Perfecto con V-ing
I must have been iming you must have been iming she must have been iming we must have been iming you must have been iming they must have been iming
Negación
Forma simple
I mustn't im you mustn't im she mustn't im we mustn't im you mustn't im they mustn't im
Forma con V-ing
I mustn't be iming you mustn't be iming she mustn't be iming we mustn't be iming you mustn't be iming they mustn't be iming
Perfecto
I mustn't have imed you mustn't have imed she mustn't have imed we mustn't have imed you mustn't have imed they mustn't have imed
Perfecto con V-ing
I mustn't have been iming you mustn't have been iming she mustn't have been iming we mustn't have been iming you mustn't have been iming they mustn't have been iming
Forma interrogativa
Forma simple
must I im? must you im? must she im? must we im? must you im? must they im?
Forma con V-ing
must I be iming? must you be iming? must she be iming? must we be iming? must you be iming? must they be iming?
Perfecto
must I have imed? must you have imed? must she have imed? must we have imed? must you have imed? must they have imed?
Perfecto con V-ing
must I have been iming? must you have been iming? must she have been iming? must we have been iming? must you have been iming? must they have been iming?
Forma interro-negativa
Forma simple
mustn't I im? mustn't you im? mustn't she im? mustn't we im? mustn't you im? mustn't they im?
Forma con V-ing
mustn't I be iming? mustn't you be iming? mustn't she be iming? mustn't we be iming? mustn't you be iming? mustn't they be iming?
Perfecto
mustn't I have imed? mustn't you have imed? mustn't she have imed? mustn't we have imed? mustn't you have imed? mustn't they have imed?
Perfecto con V-ing
mustn't I have been iming? mustn't you have been iming? mustn't she have been iming? mustn't we have been iming? mustn't you have been iming? mustn't they have been iming?