I may fester you may fester he may fester we may fester you may fester they may fester
Forme en V-ing
I may be festering you may be festering he may be festering we may be festering you may be festering they may be festering
Perfect
I may have festered you may have festered he may have festered we may have festered you may have festered they may have festered
Perfect en V-ing
I may have been festering you may have been festering he may have been festering we may have been festering you may have been festering they may have been festering
Négation
Forme simple
I may not fester you may not fester he may not fester we may not fester you may not fester they may not fester
Forme en V-ing
I may not be festering you may not be festering he may not be festering we may not be festering you may not be festering they may not be festering
Perfect
I may not have festered you may not have festered he may not have festered we may not have festered you may not have festered they may not have festered
Perfect en V-ing
I may not have been festering you may not have been festering he may not have been festering we may not have been festering you may not have been festering they may not have been festering
Forme interrogative
Forme simple
may I fester? may you fester? may he fester? may we fester? may you fester? may they fester?
Forme en V-ing
may I be festering? may you be festering? may he be festering? may we be festering? may you be festering? may they be festering?
Perfect
may I have festered? may you have festered? may he have festered? may we have festered? may you have festered? may they have festered?
Perfect en V-ing
may I have been festering? may you have been festering? may he have been festering? may we have been festering? may you have been festering? may they have been festering?
Forme interro-négative
Forme simple
may I not fester? may you not fester? may he not fester? may we not fester? may you not fester? may they not fester?
Forme en V-ing
may I not be festering? may you not be festering? may he not be festering? may we not be festering? may you not be festering? may they not be festering?
Perfect
may I not have festered? may you not have festered? may he not have festered? may we not have festered? may you not have festered? may they not have festered?
Perfect en V-ing
may I not have been festering? may you not have been festering? may he not have been festering? may we not have been festering? may you not have been festering? may they not have been festering?