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 he 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 he 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 he 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 he 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 oughtn't to book you oughtn't to book he oughtn't to book we oughtn't to book you oughtn't to book they oughtn't to book	I oughtn't to be booking you oughtn't to be booking he oughtn't to be booking we oughtn't to be booking you oughtn't to be booking they oughtn't to be booking
Perfect	V-ing perfect
I oughtn't to have booked you oughtn't to have booked he oughtn't to have booked we oughtn't to have booked you oughtn't to have booked they oughtn't to have booked	I oughtn't to have been booking you oughtn't to have been booking he oughtn't to have been booking we oughtn't to have been booking you oughtn't to have been booking they oughtn't to have been booking

Interrogative form

Simple form	V-ing form
ought to I book? ought to you book? ought to he 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 he 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 he 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 he 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
oughtn't I to book? oughtn't you to book? oughtn't he to book? oughtn't we to book? oughtn't you to book? oughtn't they to book?	oughtn't I to be booking? oughtn't you to be booking? oughtn't he to be booking? oughtn't we to be booking? oughtn't you to be booking? oughtn't they to be booking?
Perfect	V-ing perfect
oughtn't I to have booked? oughtn't you to have booked? oughtn't he to have booked? oughtn't we to have booked? oughtn't you to have booked? oughtn't they to have booked?	oughtn't I to have been booking? oughtn't you to have been booking? oughtn't he to have been booking? oughtn't we to have been booking? oughtn't you to have been booking? oughtn't they to have been booking?