I may conceal you may conceal he may conceal we may conceal you may conceal they may conceal
Forme en V-ing
I may be concealing you may be concealing he may be concealing we may be concealing you may be concealing they may be concealing
Perfect
I may have concealed you may have concealed he may have concealed we may have concealed you may have concealed they may have concealed
Perfect en V-ing
I may have been concealing you may have been concealing he may have been concealing we may have been concealing you may have been concealing they may have been concealing
Négation
Forme simple
I mayn't conceal you mayn't conceal he mayn't conceal we mayn't conceal you mayn't conceal they mayn't conceal
Forme en V-ing
I mayn't be concealing you mayn't be concealing he 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 he mayn't have concealed we mayn't have concealed you mayn't have concealed they mayn't have concealed
Perfect en V-ing
I mayn't have been concealing you mayn't have been concealing he mayn't have been concealing we mayn't have been concealing you mayn't have been concealing they mayn't have been concealing
Forme interrogative
Forme simple
may I conceal? may you conceal? may he conceal? may we conceal? may you conceal? may they conceal?
Forme en V-ing
may I be concealing? may you be concealing? may he be concealing? may we be concealing? may you be concealing? may they be concealing?
Perfect
may I have concealed? may you have concealed? may he have concealed? may we have concealed? may you have concealed? may they have concealed?
Perfect en V-ing
may I have been concealing? may you have been concealing? may he have been concealing? may we have been concealing? may you have been concealing? may they have been concealing?
Forme interro-négative
Forme simple
mayn't I conceal? mayn't you conceal? mayn't he conceal? mayn't we conceal? mayn't you conceal? mayn't they conceal?
Forme en V-ing
mayn't I be concealing? mayn't you be concealing? mayn't he 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 he have concealed? mayn't we have concealed? mayn't you have concealed? mayn't they have concealed?
Perfect en V-ing
mayn't I have been concealing? mayn't you have been concealing? mayn't he have been concealing? mayn't we have been concealing? mayn't you have been concealing? mayn't they have been concealing?