I may book you may book she may book we may book you may book they may book
Forma con V-ing
I may be booking you may be booking she may be booking we may be booking you may be booking they may be booking
Perfecto
I may have booked you may have booked she may have booked we may have booked you may have booked they may have booked
Perfecto con V-ing
I may have been booking you may have been booking she may have been booking we may have been booking you may have been booking they may have been booking
Negación
Forma simple
I may not book you may not book she may not book we may not book you may not book they may not book
Forma con V-ing
I may not be booking you may not be booking she may not be booking we may not be booking you may not be booking they may not be booking
Perfecto
I may not have booked you may not have booked she may not have booked we may not have booked you may not have booked they may not have booked
Perfecto con V-ing
I may not have been booking you may not have been booking she may not have been booking we may not have been booking you may not have been booking they may not have been booking
Forma interrogativa
Forma simple
may I book? may you book? may she book? may we book? may you book? may they book?
Forma con V-ing
may I be booking? may you be booking? may she be booking? may we be booking? may you be booking? may they be booking?
Perfecto
may I have booked? may you have booked? may she have booked? may we have booked? may you have booked? may they have booked?
Perfecto con V-ing
may I have been booking? may you have been booking? may she have been booking? may we have been booking? may you have been booking? may they have been booking?
Forma interro-negativa
Forma simple
may I not book? may you not book? may she not book? may we not book? may you not book? may they not book?
Forma con V-ing
may I not be booking? may you not be booking? may she not be booking? may we not be booking? may you not be booking? may they not be booking?
Perfecto
may I not have booked? may you not have booked? may she not have booked? may we not have booked? may you not have booked? may they not have booked?
Perfecto con V-ing
may I not have been booking? may you not have been booking? may she not have been booking? may we not have been booking? may you not have been booking? may they not have been booking?