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