Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may die down you may die down she may die down we may die down you may die down they may die down
V-ing form
I may be die downing you may be die downing she may be die downing we may be die downing you may be die downing they may be die downing
Perfect
I may have die downed you may have die downed she may have die downed we may have die downed you may have die downed they may have die downed
V-ing perfect
I may have been die downing you may have been die downing she may have been die downing we may have been die downing you may have been die downing they may have been die downing
Negation
Simple form
I may not die down you may not die down she may not die down we may not die down you may not die down they may not die down
V-ing form
I may not be die downing you may not be die downing she may not be die downing we may not be die downing you may not be die downing they may not be die downing
Perfect
I may not have die downed you may not have die downed she may not have die downed we may not have die downed you may not have die downed they may not have die downed
V-ing perfect
I may not have been die downing you may not have been die downing she may not have been die downing we may not have been die downing you may not have been die downing they may not have been die downing
Interrogative form
Simple form
may I die down? may you die down? may she die down? may we die down? may you die down? may they die down?
V-ing form
may I be die downing? may you be die downing? may she be die downing? may we be die downing? may you be die downing? may they be die downing?
Perfect
may I have die downed? may you have die downed? may she have die downed? may we have die downed? may you have die downed? may they have die downed?
V-ing perfect
may I have been die downing? may you have been die downing? may she have been die downing? may we have been die downing? may you have been die downing? may they have been die downing?
Interro-negative form
Simple form
may I not die down? may you not die down? may she not die down? may we not die down? may you not die down? may they not die down?
V-ing form
may I not be die downing? may you not be die downing? may she not be die downing? may we not be die downing? may you not be die downing? may they not be die downing?
Perfect
may I not have die downed? may you not have die downed? may she not have die downed? may we not have die downed? may you not have die downed? may they not have die downed?
V-ing perfect
may I not have been die downing? may you not have been die downing? may she not have been die downing? may we not have been die downing? may you not have been die downing? may they not have been die downing?