I may catalogue you may catalogue he may catalogue we may catalogue you may catalogue they may catalogue
V-ing form
I may be cataloguing you may be cataloguing he may be cataloguing we may be cataloguing you may be cataloguing they may be cataloguing
Perfect
I may have catalogued you may have catalogued he may have catalogued we may have catalogued you may have catalogued they may have catalogued
V-ing perfect
I may have been cataloguing you may have been cataloguing he may have been cataloguing we may have been cataloguing you may have been cataloguing they may have been cataloguing
Negation
Simple form
I may not catalogue you may not catalogue he may not catalogue we may not catalogue you may not catalogue they may not catalogue
V-ing form
I may not be cataloguing you may not be cataloguing he may not be cataloguing we may not be cataloguing you may not be cataloguing they may not be cataloguing
Perfect
I may not have catalogued you may not have catalogued he may not have catalogued we may not have catalogued you may not have catalogued they may not have catalogued
V-ing perfect
I may not have been cataloguing you may not have been cataloguing he may not have been cataloguing we may not have been cataloguing you may not have been cataloguing they may not have been cataloguing
Interrogative form
Simple form
may I catalogue? may you catalogue? may he catalogue? may we catalogue? may you catalogue? may they catalogue?
V-ing form
may I be cataloguing? may you be cataloguing? may he be cataloguing? may we be cataloguing? may you be cataloguing? may they be cataloguing?
Perfect
may I have catalogued? may you have catalogued? may he have catalogued? may we have catalogued? may you have catalogued? may they have catalogued?
V-ing perfect
may I have been cataloguing? may you have been cataloguing? may he have been cataloguing? may we have been cataloguing? may you have been cataloguing? may they have been cataloguing?
Interro-negative form
Simple form
may I not catalogue? may you not catalogue? may he not catalogue? may we not catalogue? may you not catalogue? may they not catalogue?
V-ing form
may I not be cataloguing? may you not be cataloguing? may he not be cataloguing? may we not be cataloguing? may you not be cataloguing? may they not be cataloguing?
Perfect
may I not have catalogued? may you not have catalogued? may he not have catalogued? may we not have catalogued? may you not have catalogued? may they not have catalogued?
V-ing perfect
may I not have been cataloguing? may you not have been cataloguing? may he not have been cataloguing? may we not have been cataloguing? may you not have been cataloguing? may they not have been cataloguing?