English verb conjugation
MAY GUM

Regular verb: gum - gummed - gummed

Affirmation

Simple form	V-ing form
I may gum you may gum he may gum we may gum you may gum they may gum	I may be gumming you may be gumming he may be gumming we may be gumming you may be gumming they may be gumming
Perfect	V-ing perfect
I may have gummed you may have gummed he may have gummed we may have gummed you may have gummed they may have gummed	I may have been gumming you may have been gumming he may have been gumming we may have been gumming you may have been gumming they may have been gumming

Negation

Simple form	V-ing form
I may not gum you may not gum he may not gum we may not gum you may not gum they may not gum	I may not be gumming you may not be gumming he may not be gumming we may not be gumming you may not be gumming they may not be gumming
Perfect	V-ing perfect
I may not have gummed you may not have gummed he may not have gummed we may not have gummed you may not have gummed they may not have gummed	I may not have been gumming you may not have been gumming he may not have been gumming we may not have been gumming you may not have been gumming they may not have been gumming

Interrogative form

Simple form	V-ing form
may I gum? may you gum? may he gum? may we gum? may you gum? may they gum?	may I be gumming? may you be gumming? may he be gumming? may we be gumming? may you be gumming? may they be gumming?
Perfect	V-ing perfect
may I have gummed? may you have gummed? may he have gummed? may we have gummed? may you have gummed? may they have gummed?	may I have been gumming? may you have been gumming? may he have been gumming? may we have been gumming? may you have been gumming? may they have been gumming?

Interro-negative form

Simple form	V-ing form
may I not gum? may you not gum? may he not gum? may we not gum? may you not gum? may they not gum?	may I not be gumming? may you not be gumming? may he not be gumming? may we not be gumming? may you not be gumming? may they not be gumming?
Perfect	V-ing perfect
may I not have gummed? may you not have gummed? may he not have gummed? may we not have gummed? may you not have gummed? may they not have gummed?	may I not have been gumming? may you not have been gumming? may he not have been gumming? may we not have been gumming? may you not have been gumming? may they not have been gumming?