English verb conjugation
MAY STUMP

Regular verb: stump - stumped - stumped

Affirmation

Simple form	V-ing form
I may stump you may stump he may stump we may stump you may stump they may stump	I may be stumping you may be stumping he may be stumping we may be stumping you may be stumping they may be stumping
Perfect	V-ing perfect
I may have stumped you may have stumped he may have stumped we may have stumped you may have stumped they may have stumped	I may have been stumping you may have been stumping he may have been stumping we may have been stumping you may have been stumping they may have been stumping

Negation

Simple form	V-ing form
I may not stump you may not stump he may not stump we may not stump you may not stump they may not stump	I may not be stumping you may not be stumping he may not be stumping we may not be stumping you may not be stumping they may not be stumping
Perfect	V-ing perfect
I may not have stumped you may not have stumped he may not have stumped we may not have stumped you may not have stumped they may not have stumped	I may not have been stumping you may not have been stumping he may not have been stumping we may not have been stumping you may not have been stumping they may not have been stumping

Interrogative form

Simple form	V-ing form
may I stump? may you stump? may he stump? may we stump? may you stump? may they stump?	may I be stumping? may you be stumping? may he be stumping? may we be stumping? may you be stumping? may they be stumping?
Perfect	V-ing perfect
may I have stumped? may you have stumped? may he have stumped? may we have stumped? may you have stumped? may they have stumped?	may I have been stumping? may you have been stumping? may he have been stumping? may we have been stumping? may you have been stumping? may they have been stumping?

Interro-negative form

Simple form	V-ing form
may I not stump? may you not stump? may he not stump? may we not stump? may you not stump? may they not stump?	may I not be stumping? may you not be stumping? may he not be stumping? may we not be stumping? may you not be stumping? may they not be stumping?
Perfect	V-ing perfect
may I not have stumped? may you not have stumped? may he not have stumped? may we not have stumped? may you not have stumped? may they not have stumped?	may I not have been stumping? may you not have been stumping? may he not have been stumping? may we not have been stumping? may you not have been stumping? may they not have been stumping?