I must bib you must bib he must bib we must bib you must bib they must bib
Forma con V-ing
I must be bibing you must be bibing he must be bibing we must be bibing you must be bibing they must be bibing
Perfecto
I must have bibed you must have bibed he must have bibed we must have bibed you must have bibed they must have bibed
Perfecto con V-ing
I must have been bibing you must have been bibing he must have been bibing we must have been bibing you must have been bibing they must have been bibing
Negación
Forma simple
I mustn't bib you mustn't bib he mustn't bib we mustn't bib you mustn't bib they mustn't bib
Forma con V-ing
I mustn't be bibing you mustn't be bibing he mustn't be bibing we mustn't be bibing you mustn't be bibing they mustn't be bibing
Perfecto
I mustn't have bibed you mustn't have bibed he mustn't have bibed we mustn't have bibed you mustn't have bibed they mustn't have bibed
Perfecto con V-ing
I mustn't have been bibing you mustn't have been bibing he mustn't have been bibing we mustn't have been bibing you mustn't have been bibing they mustn't have been bibing
Forma interrogativa
Forma simple
must I bib? must you bib? must he bib? must we bib? must you bib? must they bib?
Forma con V-ing
must I be bibing? must you be bibing? must he be bibing? must we be bibing? must you be bibing? must they be bibing?
Perfecto
must I have bibed? must you have bibed? must he have bibed? must we have bibed? must you have bibed? must they have bibed?
Perfecto con V-ing
must I have been bibing? must you have been bibing? must he have been bibing? must we have been bibing? must you have been bibing? must they have been bibing?
Forma interro-negativa
Forma simple
mustn't I bib? mustn't you bib? mustn't he bib? mustn't we bib? mustn't you bib? mustn't they bib?
Forma con V-ing
mustn't I be bibing? mustn't you be bibing? mustn't he be bibing? mustn't we be bibing? mustn't you be bibing? mustn't they be bibing?
Perfecto
mustn't I have bibed? mustn't you have bibed? mustn't he have bibed? mustn't we have bibed? mustn't you have bibed? mustn't they have bibed?
Perfecto con V-ing
mustn't I have been bibing? mustn't you have been bibing? mustn't he have been bibing? mustn't we have been bibing? mustn't you have been bibing? mustn't they have been bibing?