I may bur you may bur he may bur we may bur you may bur they may bur
Forma con V-ing
I may be buring you may be buring he may be buring we may be buring you may be buring they may be buring
Perfecto
I may have bured you may have bured he may have bured we may have bured you may have bured they may have bured
Perfecto con V-ing
I may have been buring you may have been buring he may have been buring we may have been buring you may have been buring they may have been buring
Negación
Forma simple
I may not bur you may not bur he may not bur we may not bur you may not bur they may not bur
Forma con V-ing
I may not be buring you may not be buring he may not be buring we may not be buring you may not be buring they may not be buring
Perfecto
I may not have bured you may not have bured he may not have bured we may not have bured you may not have bured they may not have bured
Perfecto con V-ing
I may not have been buring you may not have been buring he may not have been buring we may not have been buring you may not have been buring they may not have been buring
Forma interrogativa
Forma simple
may I bur? may you bur? may he bur? may we bur? may you bur? may they bur?
Forma con V-ing
may I be buring? may you be buring? may he be buring? may we be buring? may you be buring? may they be buring?
Perfecto
may I have bured? may you have bured? may he have bured? may we have bured? may you have bured? may they have bured?
Perfecto con V-ing
may I have been buring? may you have been buring? may he have been buring? may we have been buring? may you have been buring? may they have been buring?
Forma interro-negativa
Forma simple
may I not bur? may you not bur? may he not bur? may we not bur? may you not bur? may they not bur?
Forma con V-ing
may I not be buring? may you not be buring? may he not be buring? may we not be buring? may you not be buring? may they not be buring?
Perfecto
may I not have bured? may you not have bured? may he not have bured? may we not have bured? may you not have bured? may they not have bured?
Perfecto con V-ing
may I not have been buring? may you not have been buring? may he not have been buring? may we not have been buring? may you not have been buring? may they not have been buring?