I may concertise you may concertise he may concertise we may concertise you may concertise they may concertise
Forme en V-ing
I may be concertising you may be concertising he may be concertising we may be concertising you may be concertising they may be concertising
Perfect
I may have concertised you may have concertised he 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 he may have been concertising we may have been concertising you may have been concertising they may have been concertising
Négation
Forme simple
I may not concertise you may not concertise he may not concertise we may not concertise you may not concertise they may not concertise
Forme en V-ing
I may not be concertising you may not be concertising he may not be concertising we may not be concertising you may not be concertising they may not be concertising
Perfect
I may not have concertised you may not have concertised he may not have concertised we may not have concertised you may not have concertised they may not have concertised
Perfect en V-ing
I may not have been concertising you may not have been concertising he may not have been concertising we may not have been concertising you may not have been concertising they may not have been concertising
Forme interrogative
Forme simple
may I concertise? may you concertise? may he concertise? may we concertise? may you concertise? may they concertise?
Forme en V-ing
may I be concertising? may you be concertising? may he be concertising? may we be concertising? may you be concertising? may they be concertising?
Perfect
may I have concertised? may you have concertised? may he 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 he have been concertising? may we have been concertising? may you have been concertising? may they have been concertising?
Forme interro-négative
Forme simple
may I not concertise? may you not concertise? may he not concertise? may we not concertise? may you not concertise? may they not concertise?
Forme en V-ing
may I not be concertising? may you not be concertising? may he not be concertising? may we not be concertising? may you not be concertising? may they not be concertising?
Perfect
may I not have concertised? may you not have concertised? may he not have concertised? may we not have concertised? may you not have concertised? may they not have concertised?
Perfect en V-ing
may I not have been concertising? may you not have been concertising? may he not have been concertising? may we not have been concertising? may you not have been concertising? may they not have been concertising?