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