I may catalog you may catalog she may catalog we may catalog you may catalog they may catalog
V-ing form
I may be cataloging you may be cataloging she may be cataloging we may be cataloging you may be cataloging they may be cataloging
Perfect
I may have cataloged you may have cataloged she may have cataloged we may have cataloged you may have cataloged they may have cataloged
V-ing perfect
I may have been cataloging you may have been cataloging she may have been cataloging we may have been cataloging you may have been cataloging they may have been cataloging
Negation
Simple form
I may not catalog you may not catalog she may not catalog we may not catalog you may not catalog they may not catalog
V-ing form
I may not be cataloging you may not be cataloging she may not be cataloging we may not be cataloging you may not be cataloging they may not be cataloging
Perfect
I may not have cataloged you may not have cataloged she may not have cataloged we may not have cataloged you may not have cataloged they may not have cataloged
V-ing perfect
I may not have been cataloging you may not have been cataloging she may not have been cataloging we may not have been cataloging you may not have been cataloging they may not have been cataloging
Interrogative form
Simple form
may I catalog? may you catalog? may she catalog? may we catalog? may you catalog? may they catalog?
V-ing form
may I be cataloging? may you be cataloging? may she be cataloging? may we be cataloging? may you be cataloging? may they be cataloging?
Perfect
may I have cataloged? may you have cataloged? may she have cataloged? may we have cataloged? may you have cataloged? may they have cataloged?
V-ing perfect
may I have been cataloging? may you have been cataloging? may she have been cataloging? may we have been cataloging? may you have been cataloging? may they have been cataloging?
Interro-negative form
Simple form
may I not catalog? may you not catalog? may she not catalog? may we not catalog? may you not catalog? may they not catalog?
V-ing form
may I not be cataloging? may you not be cataloging? may she not be cataloging? may we not be cataloging? may you not be cataloging? may they not be cataloging?
Perfect
may I not have cataloged? may you not have cataloged? may she not have cataloged? may we not have cataloged? may you not have cataloged? may they not have cataloged?
V-ing perfect
may I not have been cataloging? may you not have been cataloging? may she not have been cataloging? may we not have been cataloging? may you not have been cataloging? may they not have been cataloging?