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