I may concertise you may concertise she may concertise we may concertise you may concertise they may concertise
Forme en V-ing
I may be concertising you may be concertising she may be concertising we may be concertising you may be concertising they may be concertising
Perfect
I may have concertised you may have concertised she may have concertised we may have concertised you may have concertised they may have concertised
Perfect en V-ing
I may have been concertising you may have been concertising she may have been concertising we may have been concertising you may have been concertising they may have been concertising
Négation
Forme simple
I mayn't concertise you mayn't concertise she mayn't concertise we mayn't concertise you mayn't concertise they mayn't concertise
Forme en V-ing
I mayn't be concertising you mayn't be concertising she mayn't be concertising we mayn't be concertising you mayn't be concertising they mayn't be concertising
Perfect
I mayn't have concertised you mayn't have concertised she mayn't have concertised we mayn't have concertised you mayn't have concertised they mayn't have concertised
Perfect en V-ing
I mayn't have been concertising you mayn't have been concertising she mayn't have been concertising we mayn't have been concertising you mayn't have been concertising they mayn't have been concertising
Forme interrogative
Forme simple
may I concertise? may you concertise? may she concertise? may we concertise? may you concertise? may they concertise?
Forme en V-ing
may I be concertising? may you be concertising? may she be concertising? may we be concertising? may you be concertising? may they be concertising?
Perfect
may I have concertised? may you have concertised? may she have concertised? may we have concertised? may you have concertised? may they have concertised?
Perfect en V-ing
may I have been concertising? may you have been concertising? may she have been concertising? may we have been concertising? may you have been concertising? may they have been concertising?
Forme interro-négative
Forme simple
mayn't I concertise? mayn't you concertise? mayn't she concertise? mayn't we concertise? mayn't you concertise? mayn't they concertise?
Forme en V-ing
mayn't I be concertising? mayn't you be concertising? mayn't she be concertising? mayn't we be concertising? mayn't you be concertising? mayn't they be concertising?
Perfect
mayn't I have concertised? mayn't you have concertised? mayn't she have concertised? mayn't we have concertised? mayn't you have concertised? mayn't they have concertised?
Perfect en V-ing
mayn't I have been concertising? mayn't you have been concertising? mayn't she have been concertising? mayn't we have been concertising? mayn't you have been concertising? mayn't they have been concertising?