I may build you may build he may build we may build you may build they may build
Forma con V-ing
I may be building you may be building he may be building we may be building you may be building they may be building
Perfecto
I may have built you may have built he may have built we may have built you may have built they may have built
Perfecto con V-ing
I may have been building you may have been building he may have been building we may have been building you may have been building they may have been building
Negación
Forma simple
I may not build you may not build he may not build we may not build you may not build they may not build
Forma con V-ing
I may not be building you may not be building he may not be building we may not be building you may not be building they may not be building
Perfecto
I may not have built you may not have built he may not have built we may not have built you may not have built they may not have built
Perfecto con V-ing
I may not have been building you may not have been building he may not have been building we may not have been building you may not have been building they may not have been building
Forma interrogativa
Forma simple
may I build? may you build? may he build? may we build? may you build? may they build?
Forma con V-ing
may I be building? may you be building? may he be building? may we be building? may you be building? may they be building?
Perfecto
may I have built? may you have built? may he have built? may we have built? may you have built? may they have built?
Perfecto con V-ing
may I have been building? may you have been building? may he have been building? may we have been building? may you have been building? may they have been building?
Forma interro-negativa
Forma simple
may I not build? may you not build? may he not build? may we not build? may you not build? may they not build?
Forma con V-ing
may I not be building? may you not be building? may he not be building? may we not be building? may you not be building? may they not be building?
Perfecto
may I not have built? may you not have built? may he not have built? may we not have built? may you not have built? may they not have built?
Perfecto con V-ing
may I not have been building? may you not have been building? may he not have been building? may we not have been building? may you not have been building? may they not have been building?