I may burr you may burr she may burr we may burr you may burr they may burr
Forme en V-ing
I may be burring you may be burring she may be burring we may be burring you may be burring they may be burring
Perfect
I may have burred you may have burred she may have burred we may have burred you may have burred they may have burred
Perfect en V-ing
I may have been burring you may have been burring she may have been burring we may have been burring you may have been burring they may have been burring
Négation
Forme simple
I may not burr you may not burr she may not burr we may not burr you may not burr they may not burr
Forme en V-ing
I may not be burring you may not be burring she may not be burring we may not be burring you may not be burring they may not be burring
Perfect
I may not have burred you may not have burred she may not have burred we may not have burred you may not have burred they may not have burred
Perfect en V-ing
I may not have been burring you may not have been burring she may not have been burring we may not have been burring you may not have been burring they may not have been burring
Forme interrogative
Forme simple
may I burr? may you burr? may she burr? may we burr? may you burr? may they burr?
Forme en V-ing
may I be burring? may you be burring? may she be burring? may we be burring? may you be burring? may they be burring?
Perfect
may I have burred? may you have burred? may she have burred? may we have burred? may you have burred? may they have burred?
Perfect en V-ing
may I have been burring? may you have been burring? may she have been burring? may we have been burring? may you have been burring? may they have been burring?
Forme interro-négative
Forme simple
may I not burr? may you not burr? may she not burr? may we not burr? may you not burr? may they not burr?
Forme en V-ing
may I not be burring? may you not be burring? may she not be burring? may we not be burring? may you not be burring? may they not be burring?
Perfect
may I not have burred? may you not have burred? may she not have burred? may we not have burred? may you not have burred? may they not have burred?
Perfect en V-ing
may I not have been burring? may you not have been burring? may she not have been burring? may we not have been burring? may you not have been burring? may they not have been burring?