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