English verb conjugation
MAY MARCH

Regular verb: march - marched - marched

Affirmation

Simple form	V-ing form
I may march you may march he may march we may march you may march they may march	I may be marching you may be marching he may be marching we may be marching you may be marching they may be marching
Perfect	V-ing perfect
I may have marched you may have marched he may have marched we may have marched you may have marched they may have marched	I may have been marching you may have been marching he may have been marching we may have been marching you may have been marching they may have been marching

Negation

Simple form	V-ing form
I may not march you may not march he may not march we may not march you may not march they may not march	I may not be marching you may not be marching he may not be marching we may not be marching you may not be marching they may not be marching
Perfect	V-ing perfect
I may not have marched you may not have marched he may not have marched we may not have marched you may not have marched they may not have marched	I may not have been marching you may not have been marching he may not have been marching we may not have been marching you may not have been marching they may not have been marching

Interrogative form

Simple form	V-ing form
may I march? may you march? may he march? may we march? may you march? may they march?	may I be marching? may you be marching? may he be marching? may we be marching? may you be marching? may they be marching?
Perfect	V-ing perfect
may I have marched? may you have marched? may he have marched? may we have marched? may you have marched? may they have marched?	may I have been marching? may you have been marching? may he have been marching? may we have been marching? may you have been marching? may they have been marching?

Interro-negative form

Simple form	V-ing form
may I not march? may you not march? may he not march? may we not march? may you not march? may they not march?	may I not be marching? may you not be marching? may he not be marching? may we not be marching? may you not be marching? may they not be marching?
Perfect	V-ing perfect
may I not have marched? may you not have marched? may he not have marched? may we not have marched? may you not have marched? may they not have marched?	may I not have been marching? may you not have been marching? may he not have been marching? may we not have been marching? may you not have been marching? may they not have been marching?