I must hum you must hum he must hum we must hum you must hum they must hum
Forma con V-ing
I must be huming you must be huming he must be huming we must be huming you must be huming they must be huming
Perfecto
I must have humed you must have humed he must have humed we must have humed you must have humed they must have humed
Perfecto con V-ing
I must have been huming you must have been huming he must have been huming we must have been huming you must have been huming they must have been huming
Negación
Forma simple
I must not hum you must not hum he must not hum we must not hum you must not hum they must not hum
Forma con V-ing
I must not be huming you must not be huming he must not be huming we must not be huming you must not be huming they must not be huming
Perfecto
I must not have humed you must not have humed he must not have humed we must not have humed you must not have humed they must not have humed
Perfecto con V-ing
I must not have been huming you must not have been huming he must not have been huming we must not have been huming you must not have been huming they must not have been huming
Forma interrogativa
Forma simple
must I hum? must you hum? must he hum? must we hum? must you hum? must they hum?
Forma con V-ing
must I be huming? must you be huming? must he be huming? must we be huming? must you be huming? must they be huming?
Perfecto
must I have humed? must you have humed? must he have humed? must we have humed? must you have humed? must they have humed?
Perfecto con V-ing
must I have been huming? must you have been huming? must he have been huming? must we have been huming? must you have been huming? must they have been huming?
Forma interro-negativa
Forma simple
must I not hum? must you not hum? must he not hum? must we not hum? must you not hum? must they not hum?
Forma con V-ing
must I not be huming? must you not be huming? must he not be huming? must we not be huming? must you not be huming? must they not be huming?
Perfecto
must I not have humed? must you not have humed? must he not have humed? must we not have humed? must you not have humed? must they not have humed?
Perfecto con V-ing
must I not have been huming? must you not have been huming? must he not have been huming? must we not have been huming? must you not have been huming? must they not have been huming?