I may speed you may speed she may speed we may speed you may speed they may speed
V-ing form
I may be speeding you may be speeding she may be speeding we may be speeding you may be speeding they may be speeding
Perfect
I may have sped you may have sped she may have sped we may have sped you may have sped they may have sped
V-ing perfect
I may have been speeding you may have been speeding she may have been speeding we may have been speeding you may have been speeding they may have been speeding
Negation
Simple form
I mayn't speed you mayn't speed she mayn't speed we mayn't speed you mayn't speed they mayn't speed
V-ing form
I mayn't be speeding you mayn't be speeding she mayn't be speeding we mayn't be speeding you mayn't be speeding they mayn't be speeding
Perfect
I mayn't have sped you mayn't have sped she mayn't have sped we mayn't have sped you mayn't have sped they mayn't have sped
V-ing perfect
I mayn't have been speeding you mayn't have been speeding she mayn't have been speeding we mayn't have been speeding you mayn't have been speeding they mayn't have been speeding
Interrogative form
Simple form
may I speed? may you speed? may she speed? may we speed? may you speed? may they speed?
V-ing form
may I be speeding? may you be speeding? may she be speeding? may we be speeding? may you be speeding? may they be speeding?
Perfect
may I have sped? may you have sped? may she have sped? may we have sped? may you have sped? may they have sped?
V-ing perfect
may I have been speeding? may you have been speeding? may she have been speeding? may we have been speeding? may you have been speeding? may they have been speeding?
Interro-negative form
Simple form
mayn't I speed? mayn't you speed? mayn't she speed? mayn't we speed? mayn't you speed? mayn't they speed?
V-ing form
mayn't I be speeding? mayn't you be speeding? mayn't she be speeding? mayn't we be speeding? mayn't you be speeding? mayn't they be speeding?
Perfect
mayn't I have sped? mayn't you have sped? mayn't she have sped? mayn't we have sped? mayn't you have sped? mayn't they have sped?
V-ing perfect
mayn't I have been speeding? mayn't you have been speeding? mayn't she have been speeding? mayn't we have been speeding? mayn't you have been speeding? mayn't they have been speeding?