Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I must sum sum you must sum sum he must sum sum we must sum sum you must sum sum they must sum sum
Forma con V-ing
I must be sum suming you must be sum suming he must be sum suming we must be sum suming you must be sum suming they must be sum suming
Perfecto
I must have sum sumed you must have sum sumed he must have sum sumed we must have sum sumed you must have sum sumed they must have sum sumed
Perfecto con V-ing
I must have been sum suming you must have been sum suming he must have been sum suming we must have been sum suming you must have been sum suming they must have been sum suming
Negación
Forma simple
I must not sum sum you must not sum sum he must not sum sum we must not sum sum you must not sum sum they must not sum sum
Forma con V-ing
I must not be sum suming you must not be sum suming he must not be sum suming we must not be sum suming you must not be sum suming they must not be sum suming
Perfecto
I must not have sum sumed you must not have sum sumed he must not have sum sumed we must not have sum sumed you must not have sum sumed they must not have sum sumed
Perfecto con V-ing
I must not have been sum suming you must not have been sum suming he must not have been sum suming we must not have been sum suming you must not have been sum suming they must not have been sum suming
Forma interrogativa
Forma simple
must I sum sum? must you sum sum? must he sum sum? must we sum sum? must you sum sum? must they sum sum?
Forma con V-ing
must I be sum suming? must you be sum suming? must he be sum suming? must we be sum suming? must you be sum suming? must they be sum suming?
Perfecto
must I have sum sumed? must you have sum sumed? must he have sum sumed? must we have sum sumed? must you have sum sumed? must they have sum sumed?
Perfecto con V-ing
must I have been sum suming? must you have been sum suming? must he have been sum suming? must we have been sum suming? must you have been sum suming? must they have been sum suming?
Forma interro-negativa
Forma simple
must I not sum sum? must you not sum sum? must he not sum sum? must we not sum sum? must you not sum sum? must they not sum sum?
Forma con V-ing
must I not be sum suming? must you not be sum suming? must he not be sum suming? must we not be sum suming? must you not be sum suming? must they not be sum suming?
Perfecto
must I not have sum sumed? must you not have sum sumed? must he not have sum sumed? must we not have sum sumed? must you not have sum sumed? must they not have sum sumed?
Perfecto con V-ing
must I not have been sum suming? must you not have been sum suming? must he not have been sum suming? must we not have been sum suming? must you not have been sum suming? must they not have been sum suming?