I must bard you must bard she must bard we must bard you must bard they must bard
Forma con V-ing
I must be barding you must be barding she must be barding we must be barding you must be barding they must be barding
Perfecto
I must have barded you must have barded she must have barded we must have barded you must have barded they must have barded
Perfecto con V-ing
I must have been barding you must have been barding she must have been barding we must have been barding you must have been barding they must have been barding
Negación
Forma simple
I must not bard you must not bard she must not bard we must not bard you must not bard they must not bard
Forma con V-ing
I must not be barding you must not be barding she must not be barding we must not be barding you must not be barding they must not be barding
Perfecto
I must not have barded you must not have barded she must not have barded we must not have barded you must not have barded they must not have barded
Perfecto con V-ing
I must not have been barding you must not have been barding she must not have been barding we must not have been barding you must not have been barding they must not have been barding
Forma interrogativa
Forma simple
must I bard? must you bard? must she bard? must we bard? must you bard? must they bard?
Forma con V-ing
must I be barding? must you be barding? must she be barding? must we be barding? must you be barding? must they be barding?
Perfecto
must I have barded? must you have barded? must she have barded? must we have barded? must you have barded? must they have barded?
Perfecto con V-ing
must I have been barding? must you have been barding? must she have been barding? must we have been barding? must you have been barding? must they have been barding?
Forma interro-negativa
Forma simple
must I not bard? must you not bard? must she not bard? must we not bard? must you not bard? must they not bard?
Forma con V-ing
must I not be barding? must you not be barding? must she not be barding? must we not be barding? must you not be barding? must they not be barding?
Perfecto
must I not have barded? must you not have barded? must she not have barded? must we not have barded? must you not have barded? must they not have barded?
Perfecto con V-ing
must I not have been barding? must you not have been barding? must she not have been barding? must we not have been barding? must you not have been barding? must they not have been barding?