I may burr you may burr he may burr we may burr you may burr they may burr
Forma con V-ing
I may be burring you may be burring he may be burring we may be burring you may be burring they may be burring
Perfecto
I may have burred you may have burred he may have burred we may have burred you may have burred they may have burred
Perfecto con V-ing
I may have been burring you may have been burring he may have been burring we may have been burring you may have been burring they may have been burring
Negación
Forma simple
I may not burr you may not burr he may not burr we may not burr you may not burr they may not burr
Forma con V-ing
I may not be burring you may not be burring he may not be burring we may not be burring you may not be burring they may not be burring
Perfecto
I may not have burred you may not have burred he may not have burred we may not have burred you may not have burred they may not have burred
Perfecto con V-ing
I may not have been burring you may not have been burring he may not have been burring we may not have been burring you may not have been burring they may not have been burring
Forma interrogativa
Forma simple
may I burr? may you burr? may he burr? may we burr? may you burr? may they burr?
Forma con V-ing
may I be burring? may you be burring? may he be burring? may we be burring? may you be burring? may they be burring?
Perfecto
may I have burred? may you have burred? may he have burred? may we have burred? may you have burred? may they have burred?
Perfecto con V-ing
may I have been burring? may you have been burring? may he have been burring? may we have been burring? may you have been burring? may they have been burring?
Forma interro-negativa
Forma simple
may I not burr? may you not burr? may he not burr? may we not burr? may you not burr? may they not burr?
Forma con V-ing
may I not be burring? may you not be burring? may he not be burring? may we not be burring? may you not be burring? may they not be burring?
Perfecto
may I not have burred? may you not have burred? may he not have burred? may we not have burred? may you not have burred? may they not have burred?
Perfecto con V-ing
may I not have been burring? may you not have been burring? may he not have been burring? may we not have been burring? may you not have been burring? may they not have been burring?