I must mount you must mount he must mount we must mount you must mount they must mount
Forma con V-ing
I must be mounting you must be mounting he must be mounting we must be mounting you must be mounting they must be mounting
Perfecto
I must have mounted you must have mounted he must have mounted we must have mounted you must have mounted they must have mounted
Perfecto con V-ing
I must have been mounting you must have been mounting he must have been mounting we must have been mounting you must have been mounting they must have been mounting
Negación
Forma simple
I must not mount you must not mount he must not mount we must not mount you must not mount they must not mount
Forma con V-ing
I must not be mounting you must not be mounting he must not be mounting we must not be mounting you must not be mounting they must not be mounting
Perfecto
I must not have mounted you must not have mounted he must not have mounted we must not have mounted you must not have mounted they must not have mounted
Perfecto con V-ing
I must not have been mounting you must not have been mounting he must not have been mounting we must not have been mounting you must not have been mounting they must not have been mounting
Forma interrogativa
Forma simple
must I mount? must you mount? must he mount? must we mount? must you mount? must they mount?
Forma con V-ing
must I be mounting? must you be mounting? must he be mounting? must we be mounting? must you be mounting? must they be mounting?
Perfecto
must I have mounted? must you have mounted? must he have mounted? must we have mounted? must you have mounted? must they have mounted?
Perfecto con V-ing
must I have been mounting? must you have been mounting? must he have been mounting? must we have been mounting? must you have been mounting? must they have been mounting?
Forma interro-negativa
Forma simple
must I not mount? must you not mount? must he not mount? must we not mount? must you not mount? must they not mount?
Forma con V-ing
must I not be mounting? must you not be mounting? must he not be mounting? must we not be mounting? must you not be mounting? must they not be mounting?
Perfecto
must I not have mounted? must you not have mounted? must he not have mounted? must we not have mounted? must you not have mounted? must they not have mounted?
Perfecto con V-ing
must I not have been mounting? must you not have been mounting? must he not have been mounting? must we not have been mounting? must you not have been mounting? must they not have been mounting?