English verb conjugation
MAY BUM

Regular verb: bum - bummed - bummed

Affirmation

Simple form	V-ing form
I may bum you may bum she may bum we may bum you may bum they may bum	I may be bumming you may be bumming she may be bumming we may be bumming you may be bumming they may be bumming
Perfect	V-ing perfect
I may have bummed you may have bummed she may have bummed we may have bummed you may have bummed they may have bummed	I may have been bumming you may have been bumming she may have been bumming we may have been bumming you may have been bumming they may have been bumming

Negation

Simple form	V-ing form
I mayn't bum you mayn't bum she mayn't bum we mayn't bum you mayn't bum they mayn't bum	I mayn't be bumming you mayn't be bumming she mayn't be bumming we mayn't be bumming you mayn't be bumming they mayn't be bumming
Perfect	V-ing perfect
I mayn't have bummed you mayn't have bummed she mayn't have bummed we mayn't have bummed you mayn't have bummed they mayn't have bummed	I mayn't have been bumming you mayn't have been bumming she mayn't have been bumming we mayn't have been bumming you mayn't have been bumming they mayn't have been bumming

Interrogative form

Simple form	V-ing form
may I bum? may you bum? may she bum? may we bum? may you bum? may they bum?	may I be bumming? may you be bumming? may she be bumming? may we be bumming? may you be bumming? may they be bumming?
Perfect	V-ing perfect
may I have bummed? may you have bummed? may she have bummed? may we have bummed? may you have bummed? may they have bummed?	may I have been bumming? may you have been bumming? may she have been bumming? may we have been bumming? may you have been bumming? may they have been bumming?

Interro-negative form

Simple form	V-ing form
mayn't I bum? mayn't you bum? mayn't she bum? mayn't we bum? mayn't you bum? mayn't they bum?	mayn't I be bumming? mayn't you be bumming? mayn't she be bumming? mayn't we be bumming? mayn't you be bumming? mayn't they be bumming?
Perfect	V-ing perfect
mayn't I have bummed? mayn't you have bummed? mayn't she have bummed? mayn't we have bummed? mayn't you have bummed? mayn't they have bummed?	mayn't I have been bumming? mayn't you have been bumming? mayn't she have been bumming? mayn't we have been bumming? mayn't you have been bumming? mayn't they have been bumming?