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 mayn't gum you mayn't gum he mayn't gum we mayn't gum you mayn't gum they mayn't gum	I mayn't be gumming you mayn't be gumming he mayn't be gumming we mayn't be gumming you mayn't be gumming they mayn't be gumming
Perfect	V-ing perfect
I mayn't have gummed you mayn't have gummed he mayn't have gummed we mayn't have gummed you mayn't have gummed they mayn't have gummed	I mayn't have been gumming you mayn't have been gumming he mayn't have been gumming we mayn't have been gumming you mayn't have been gumming they mayn't 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
mayn't I gum? mayn't you gum? mayn't he gum? mayn't we gum? mayn't you gum? mayn't they gum?	mayn't I be gumming? mayn't you be gumming? mayn't he be gumming? mayn't we be gumming? mayn't you be gumming? mayn't they be gumming?
Perfect	V-ing perfect
mayn't I have gummed? mayn't you have gummed? mayn't he have gummed? mayn't we have gummed? mayn't you have gummed? mayn't they have gummed?	mayn't I have been gumming? mayn't you have been gumming? mayn't he have been gumming? mayn't we have been gumming? mayn't you have been gumming? mayn't they have been gumming?