I may serve you may serve he may serve we may serve you may serve they may serve
Forma con V-ing
I may be serving you may be serving he may be serving we may be serving you may be serving they may be serving
Perfecto
I may have served you may have served he may have served we may have served you may have served they may have served
Perfecto con V-ing
I may have been serving you may have been serving he may have been serving we may have been serving you may have been serving they may have been serving
Negación
Forma simple
I may not serve you may not serve he may not serve we may not serve you may not serve they may not serve
Forma con V-ing
I may not be serving you may not be serving he may not be serving we may not be serving you may not be serving they may not be serving
Perfecto
I may not have served you may not have served he may not have served we may not have served you may not have served they may not have served
Perfecto con V-ing
I may not have been serving you may not have been serving he may not have been serving we may not have been serving you may not have been serving they may not have been serving
Forma interrogativa
Forma simple
may I serve? may you serve? may he serve? may we serve? may you serve? may they serve?
Forma con V-ing
may I be serving? may you be serving? may he be serving? may we be serving? may you be serving? may they be serving?
Perfecto
may I have served? may you have served? may he have served? may we have served? may you have served? may they have served?
Perfecto con V-ing
may I have been serving? may you have been serving? may he have been serving? may we have been serving? may you have been serving? may they have been serving?
Forma interro-negativa
Forma simple
may I not serve? may you not serve? may he not serve? may we not serve? may you not serve? may they not serve?
Forma con V-ing
may I not be serving? may you not be serving? may he not be serving? may we not be serving? may you not be serving? may they not be serving?
Perfecto
may I not have served? may you not have served? may he not have served? may we not have served? may you not have served? may they not have served?
Perfecto con V-ing
may I not have been serving? may you not have been serving? may he not have been serving? may we not have been serving? may you not have been serving? may they not have been serving?