I must bib you must bib she must bib we must bib you must bib they must bib
Forma con V-ing
I must be bibing you must be bibing she must be bibing we must be bibing you must be bibing they must be bibing
Perfecto
I must have bibed you must have bibed she 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 she 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 she 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 she 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 she 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 she 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 she bib? must we bib? must you bib? must they bib?
Forma con V-ing
must I be bibing? must you be bibing? must she be bibing? must we be bibing? must you be bibing? must they be bibing?
Perfecto
must I have bibed? must you have bibed? must she 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 she 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 she 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 she 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 she 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 she have been bibing? mustn't we have been bibing? mustn't you have been bibing? mustn't they have been bibing?