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