Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may supper you may supper she may supper we may supper you may supper they may supper
V-ing form
I may be suppering you may be suppering she may be suppering we may be suppering you may be suppering they may be suppering
Perfect
I may have suppered you may have suppered she may have suppered we may have suppered you may have suppered they may have suppered
V-ing perfect
I may have been suppering you may have been suppering she may have been suppering we may have been suppering you may have been suppering they may have been suppering
Negation
Simple form
I mayn't supper you mayn't supper she mayn't supper we mayn't supper you mayn't supper they mayn't supper
V-ing form
I mayn't be suppering you mayn't be suppering she mayn't be suppering we mayn't be suppering you mayn't be suppering they mayn't be suppering
Perfect
I mayn't have suppered you mayn't have suppered she mayn't have suppered we mayn't have suppered you mayn't have suppered they mayn't have suppered
V-ing perfect
I mayn't have been suppering you mayn't have been suppering she mayn't have been suppering we mayn't have been suppering you mayn't have been suppering they mayn't have been suppering
Interrogative form
Simple form
may I supper? may you supper? may she supper? may we supper? may you supper? may they supper?
V-ing form
may I be suppering? may you be suppering? may she be suppering? may we be suppering? may you be suppering? may they be suppering?
Perfect
may I have suppered? may you have suppered? may she have suppered? may we have suppered? may you have suppered? may they have suppered?
V-ing perfect
may I have been suppering? may you have been suppering? may she have been suppering? may we have been suppering? may you have been suppering? may they have been suppering?
Interro-negative form
Simple form
mayn't I supper? mayn't you supper? mayn't she supper? mayn't we supper? mayn't you supper? mayn't they supper?
V-ing form
mayn't I be suppering? mayn't you be suppering? mayn't she be suppering? mayn't we be suppering? mayn't you be suppering? mayn't they be suppering?
Perfect
mayn't I have suppered? mayn't you have suppered? mayn't she have suppered? mayn't we have suppered? mayn't you have suppered? mayn't they have suppered?
V-ing perfect
mayn't I have been suppering? mayn't you have been suppering? mayn't she have been suppering? mayn't we have been suppering? mayn't you have been suppering? mayn't they have been suppering?