English verb conjugation
OUGHT TO BOOK

Regular verb: book - booked - booked

Affirmation

Simple form	V-ing form
I ought to book you ought to book she ought to book we ought to book you ought to book they ought to book	I ought to be booking you ought to be booking she ought to be booking we ought to be booking you ought to be booking they ought to be booking
Perfect	V-ing perfect
I ought to have booked you ought to have booked she ought to have booked we ought to have booked you ought to have booked they ought to have booked	I ought to have been booking you ought to have been booking she ought to have been booking we ought to have been booking you ought to have been booking they ought to have been booking

Negation

Simple form	V-ing form
I ought not to book you ought not to book she ought not to book we ought not to book you ought not to book they ought not to book	I ought not to booking you ought not to booking she ought not to booking we ought not to booking you ought not to booking they ought not to booking
Perfect	V-ing perfect
I ought not to have booked you ought not to have booked she ought not to have booked we ought not to have booked you ought not to have booked they ought not to have booked	I ought not to have been booking you ought not to have been booking she ought not to have been booking we ought not to have been booking you ought not to have been booking they ought not to have been booking

Interrogative form

Simple form	V-ing form
ought to I book? ought to you book? ought to she book? ought to we book? ought to you book? ought to they book?	ought to I be booking? ought to you be booking? ought to she be booking? ought to we be booking? ought to you be booking? ought to they be booking?
Perfect	V-ing perfect
ought to I have booked? ought to you have booked? ought to she have booked? ought to we have booked? ought to you have booked? ought to they have booked?	ought to I have been booking? ought to you have been booking? ought to she have been booking? ought to we have been booking? ought to you have been booking? ought to they have been booking?

Interro-negative form

Simple form	V-ing form
ought I not to book? ought you not to book? ought she not to book? ought we not to book? ought you not to book? ought they not to book?	ought I not to be booking? ought you not to be booking? ought she not to be booking? ought we not to be booking? ought you not to be booking? ought they not to be booking?
Perfect	V-ing perfect
ought I not to have booked? ought you not to have booked? ought she not to have booked? ought we not to have booked? ought you not to have booked? ought they not to have booked?	ought I not to have been booking? ought you not to have been booking? ought she not to have been booking? ought we not to have been booking? ought you not to have been booking? ought they not to have been booking?