I may speed you may speed he may speed we may speed you may speed they may speed
V-ing form
I may be speeding you may be speeding he may be speeding we may be speeding you may be speeding they may be speeding
Perfect
I may have sped you may have sped he 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 he 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 he 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 he 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 he 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 he 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 he speed? may we speed? may you speed? may they speed?
V-ing form
may I be speeding? may you be speeding? may he be speeding? may we be speeding? may you be speeding? may they be speeding?
Perfect
may I have sped? may you have sped? may he 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 he 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 he 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 he 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 he 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 he have been speeding? mayn't we have been speeding? mayn't you have been speeding? mayn't they have been speeding?