I may bump you may bump she may bump we may bump you may bump they may bump
V-ing form
I may be bumping you may be bumping she may be bumping we may be bumping you may be bumping they may be bumping
Perfect
I may have bumped you may have bumped she may have bumped we may have bumped you may have bumped they may have bumped
V-ing perfect
I may have been bumping you may have been bumping she may have been bumping we may have been bumping you may have been bumping they may have been bumping
Negation
Simple form
I may not bump you may not bump she may not bump we may not bump you may not bump they may not bump
V-ing form
I may not be bumping you may not be bumping she may not be bumping we may not be bumping you may not be bumping they may not be bumping
Perfect
I may not have bumped you may not have bumped she may not have bumped we may not have bumped you may not have bumped they may not have bumped
V-ing perfect
I may not have been bumping you may not have been bumping she may not have been bumping we may not have been bumping you may not have been bumping they may not have been bumping
Interrogative form
Simple form
may I bump? may you bump? may she bump? may we bump? may you bump? may they bump?
V-ing form
may I be bumping? may you be bumping? may she be bumping? may we be bumping? may you be bumping? may they be bumping?
Perfect
may I have bumped? may you have bumped? may she have bumped? may we have bumped? may you have bumped? may they have bumped?
V-ing perfect
may I have been bumping? may you have been bumping? may she have been bumping? may we have been bumping? may you have been bumping? may they have been bumping?
Interro-negative form
Simple form
may I not bump? may you not bump? may she not bump? may we not bump? may you not bump? may they not bump?
V-ing form
may I not be bumping? may you not be bumping? may she not be bumping? may we not be bumping? may you not be bumping? may they not be bumping?
Perfect
may I not have bumped? may you not have bumped? may she not have bumped? may we not have bumped? may you not have bumped? may they not have bumped?
V-ing perfect
may I not have been bumping? may you not have been bumping? may she not have been bumping? may we not have been bumping? may you not have been bumping? may they not have been bumping?