I may bump you may bump he may bump we may bump you may bump they may bump
V-ing form
I may be bumping you may be bumping he may be bumping we may be bumping you may be bumping they may be bumping
Perfect
I may have bumped you may have bumped he 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 he may have been bumping we may have been bumping you may have been bumping they may have been bumping
Negation
Simple form
I mayn't bump you mayn't bump he mayn't bump we mayn't bump you mayn't bump they mayn't bump
V-ing form
I mayn't be bumping you mayn't be bumping he mayn't be bumping we mayn't be bumping you mayn't be bumping they mayn't be bumping
Perfect
I mayn't have bumped you mayn't have bumped he mayn't have bumped we mayn't have bumped you mayn't have bumped they mayn't have bumped
V-ing perfect
I mayn't have been bumping you mayn't have been bumping he mayn't have been bumping we mayn't have been bumping you mayn't have been bumping they mayn't have been bumping
Interrogative form
Simple form
may I bump? may you bump? may he bump? may we bump? may you bump? may they bump?
V-ing form
may I be bumping? may you be bumping? may he be bumping? may we be bumping? may you be bumping? may they be bumping?
Perfect
may I have bumped? may you have bumped? may he 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 he have been bumping? may we have been bumping? may you have been bumping? may they have been bumping?
Interro-negative form
Simple form
mayn't I bump? mayn't you bump? mayn't he bump? mayn't we bump? mayn't you bump? mayn't they bump?
V-ing form
mayn't I be bumping? mayn't you be bumping? mayn't he be bumping? mayn't we be bumping? mayn't you be bumping? mayn't they be bumping?
Perfect
mayn't I have bumped? mayn't you have bumped? mayn't he have bumped? mayn't we have bumped? mayn't you have bumped? mayn't they have bumped?
V-ing perfect
mayn't I have been bumping? mayn't you have been bumping? mayn't he have been bumping? mayn't we have been bumping? mayn't you have been bumping? mayn't they have been bumping?