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