Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may dinner you may dinner he may dinner we may dinner you may dinner they may dinner
V-ing form
I may be dinnering you may be dinnering he may be dinnering we may be dinnering you may be dinnering they may be dinnering
Perfect
I may have dinnered you may have dinnered he may have dinnered we may have dinnered you may have dinnered they may have dinnered
V-ing perfect
I may have been dinnering you may have been dinnering he may have been dinnering we may have been dinnering you may have been dinnering they may have been dinnering
Negation
Simple form
I may not dinner you may not dinner he may not dinner we may not dinner you may not dinner they may not dinner
V-ing form
I may not be dinnering you may not be dinnering he may not be dinnering we may not be dinnering you may not be dinnering they may not be dinnering
Perfect
I may not have dinnered you may not have dinnered he may not have dinnered we may not have dinnered you may not have dinnered they may not have dinnered
V-ing perfect
I may not have been dinnering you may not have been dinnering he may not have been dinnering we may not have been dinnering you may not have been dinnering they may not have been dinnering
Interrogative form
Simple form
may I dinner? may you dinner? may he dinner? may we dinner? may you dinner? may they dinner?
V-ing form
may I be dinnering? may you be dinnering? may he be dinnering? may we be dinnering? may you be dinnering? may they be dinnering?
Perfect
may I have dinnered? may you have dinnered? may he have dinnered? may we have dinnered? may you have dinnered? may they have dinnered?
V-ing perfect
may I have been dinnering? may you have been dinnering? may he have been dinnering? may we have been dinnering? may you have been dinnering? may they have been dinnering?
Interro-negative form
Simple form
may I not dinner? may you not dinner? may he not dinner? may we not dinner? may you not dinner? may they not dinner?
V-ing form
may I not be dinnering? may you not be dinnering? may he not be dinnering? may we not be dinnering? may you not be dinnering? may they not be dinnering?
Perfect
may I not have dinnered? may you not have dinnered? may he not have dinnered? may we not have dinnered? may you not have dinnered? may they not have dinnered?
V-ing perfect
may I not have been dinnering? may you not have been dinnering? may he not have been dinnering? may we not have been dinnering? may you not have been dinnering? may they not have been dinnering?