English verb conjugation
MAY BOOK

Regular verb: book - booked - booked

Affirmation

Simple form	V-ing form
I may book you may book he may book we may book you may book they may book	I may be booking you may be booking he may be booking we may be booking you may be booking they may be booking
Perfect	V-ing perfect
I may have booked you may have booked he may have booked we may have booked you may have booked they may have booked	I may have been booking you may have been booking he may have been booking we may have been booking you may have been booking they may have been booking

Negation

Simple form	V-ing form
I may not book you may not book he may not book we may not book you may not book they may not book	I may not be booking you may not be booking he may not be booking we may not be booking you may not be booking they may not be booking
Perfect	V-ing perfect
I may not have booked you may not have booked he may not have booked we may not have booked you may not have booked they may not have booked	I may not have been booking you may not have been booking he may not have been booking we may not have been booking you may not have been booking they may not have been booking

Interrogative form

Simple form	V-ing form
may I book? may you book? may he book? may we book? may you book? may they book?	may I be booking? may you be booking? may he be booking? may we be booking? may you be booking? may they be booking?
Perfect	V-ing perfect
may I have booked? may you have booked? may he have booked? may we have booked? may you have booked? may they have booked?	may I have been booking? may you have been booking? may he have been booking? may we have been booking? may you have been booking? may they have been booking?

Interro-negative form

Simple form	V-ing form
may I not book? may you not book? may he not book? may we not book? may you not book? may they not book?	may I not be booking? may you not be booking? may he not be booking? may we not be booking? may you not be booking? may they not be booking?
Perfect	V-ing perfect
may I not have booked? may you not have booked? may he not have booked? may we not have booked? may you not have booked? may they not have booked?	may I not have been booking? may you not have been booking? may he not have been booking? may we not have been booking? may you not have been booking? may they not have been booking?