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