I may decree you may decree she may decree we may decree you may decree they may decree
V-ing form
I may be decreeing you may be decreeing she may be decreeing we may be decreeing you may be decreeing they may be decreeing
Perfect
I may have decreed you may have decreed she may have decreed we may have decreed you may have decreed they may have decreed
V-ing perfect
I may have been decreeing you may have been decreeing she may have been decreeing we may have been decreeing you may have been decreeing they may have been decreeing
Negation
Simple form
I may not decree you may not decree she may not decree we may not decree you may not decree they may not decree
V-ing form
I may not be decreeing you may not be decreeing she may not be decreeing we may not be decreeing you may not be decreeing they may not be decreeing
Perfect
I may not have decreed you may not have decreed she may not have decreed we may not have decreed you may not have decreed they may not have decreed
V-ing perfect
I may not have been decreeing you may not have been decreeing she may not have been decreeing we may not have been decreeing you may not have been decreeing they may not have been decreeing
Interrogative form
Simple form
may I decree? may you decree? may she decree? may we decree? may you decree? may they decree?
V-ing form
may I be decreeing? may you be decreeing? may she be decreeing? may we be decreeing? may you be decreeing? may they be decreeing?
Perfect
may I have decreed? may you have decreed? may she have decreed? may we have decreed? may you have decreed? may they have decreed?
V-ing perfect
may I have been decreeing? may you have been decreeing? may she have been decreeing? may we have been decreeing? may you have been decreeing? may they have been decreeing?
Interro-negative form
Simple form
may I not decree? may you not decree? may she not decree? may we not decree? may you not decree? may they not decree?
V-ing form
may I not be decreeing? may you not be decreeing? may she not be decreeing? may we not be decreeing? may you not be decreeing? may they not be decreeing?
Perfect
may I not have decreed? may you not have decreed? may she not have decreed? may we not have decreed? may you not have decreed? may they not have decreed?
V-ing perfect
may I not have been decreeing? may you not have been decreeing? may she not have been decreeing? may we not have been decreeing? may you not have been decreeing? may they not have been decreeing?