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