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