I must catalog you must catalog she must catalog we must catalog you must catalog they must catalog
Forma con V-ing
I must be cataloging you must be cataloging she must be cataloging we must be cataloging you must be cataloging they must be cataloging
Perfecto
I must have cataloged you must have cataloged she must have cataloged we must have cataloged you must have cataloged they must have cataloged
Perfecto con V-ing
I must have been cataloging you must have been cataloging she must have been cataloging we must have been cataloging you must have been cataloging they must have been cataloging
Negación
Forma simple
I must not catalog you must not catalog she must not catalog we must not catalog you must not catalog they must not catalog
Forma con V-ing
I must not be cataloging you must not be cataloging she must not be cataloging we must not be cataloging you must not be cataloging they must not be cataloging
Perfecto
I must not have cataloged you must not have cataloged she must not have cataloged we must not have cataloged you must not have cataloged they must not have cataloged
Perfecto con V-ing
I must not have been cataloging you must not have been cataloging she must not have been cataloging we must not have been cataloging you must not have been cataloging they must not have been cataloging
Forma interrogativa
Forma simple
must I catalog? must you catalog? must she catalog? must we catalog? must you catalog? must they catalog?
Forma con V-ing
must I be cataloging? must you be cataloging? must she be cataloging? must we be cataloging? must you be cataloging? must they be cataloging?
Perfecto
must I have cataloged? must you have cataloged? must she have cataloged? must we have cataloged? must you have cataloged? must they have cataloged?
Perfecto con V-ing
must I have been cataloging? must you have been cataloging? must she have been cataloging? must we have been cataloging? must you have been cataloging? must they have been cataloging?
Forma interro-negativa
Forma simple
must I not catalog? must you not catalog? must she not catalog? must we not catalog? must you not catalog? must they not catalog?
Forma con V-ing
must I not be cataloging? must you not be cataloging? must she not be cataloging? must we not be cataloging? must you not be cataloging? must they not be cataloging?
Perfecto
must I not have cataloged? must you not have cataloged? must she not have cataloged? must we not have cataloged? must you not have cataloged? must they not have cataloged?
Perfecto con V-ing
must I not have been cataloging? must you not have been cataloging? must she not have been cataloging? must we not have been cataloging? must you not have been cataloging? must they not have been cataloging?