English verb conjugation
MAY DECREE

Regular verb: decree - decreed - decreed

Affirmation

Simple form	V-ing form
I may decree you may decree she may decree we may decree you may decree they may decree	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	V-ing 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	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	V-ing form
I mayn't decree you mayn't decree she mayn't decree we mayn't decree you mayn't decree they mayn't decree	I mayn't be decreeing you mayn't be decreeing she mayn't be decreeing we mayn't be decreeing you mayn't be decreeing they mayn't be decreeing
Perfect	V-ing perfect
I mayn't have decreed you mayn't have decreed she mayn't have decreed we mayn't have decreed you mayn't have decreed they mayn't have decreed	I mayn't have been decreeing you mayn't have been decreeing she mayn't have been decreeing we mayn't have been decreeing you mayn't have been decreeing they mayn't have been decreeing

Interrogative form

Simple form	V-ing form
may I decree? may you decree? may she decree? may we decree? may you decree? may they decree?	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	V-ing 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?	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	V-ing form
mayn't I decree? mayn't you decree? mayn't she decree? mayn't we decree? mayn't you decree? mayn't they decree?	mayn't I be decreeing? mayn't you be decreeing? mayn't she be decreeing? mayn't we be decreeing? mayn't you be decreeing? mayn't they be decreeing?
Perfect	V-ing perfect
mayn't I have decreed? mayn't you have decreed? mayn't she have decreed? mayn't we have decreed? mayn't you have decreed? mayn't they have decreed?	mayn't I have been decreeing? mayn't you have been decreeing? mayn't she have been decreeing? mayn't we have been decreeing? mayn't you have been decreeing? mayn't they have been decreeing?