English verb conjugation
OUGHT TO PREBOOK

Regular verb: prebook - prebooked - prebooked

Affirmation

Simple form	V-ing form
I ought to prebook you ought to prebook he ought to prebook we ought to prebook you ought to prebook they ought to prebook	I ought to be prebooking you ought to be prebooking he ought to be prebooking we ought to be prebooking you ought to be prebooking they ought to be prebooking
Perfect	V-ing perfect
I ought to have prebooked you ought to have prebooked he ought to have prebooked we ought to have prebooked you ought to have prebooked they ought to have prebooked	I ought to have been prebooking you ought to have been prebooking he ought to have been prebooking we ought to have been prebooking you ought to have been prebooking they ought to have been prebooking

Negation

Simple form	V-ing form
I oughtn't to prebook you oughtn't to prebook he oughtn't to prebook we oughtn't to prebook you oughtn't to prebook they oughtn't to prebook	I oughtn't to be prebooking you oughtn't to be prebooking he oughtn't to be prebooking we oughtn't to be prebooking you oughtn't to be prebooking they oughtn't to be prebooking
Perfect	V-ing perfect
I oughtn't to have prebooked you oughtn't to have prebooked he oughtn't to have prebooked we oughtn't to have prebooked you oughtn't to have prebooked they oughtn't to have prebooked	I oughtn't to have been prebooking you oughtn't to have been prebooking he oughtn't to have been prebooking we oughtn't to have been prebooking you oughtn't to have been prebooking they oughtn't to have been prebooking

Interrogative form

Simple form	V-ing form
ought to I prebook? ought to you prebook? ought to he prebook? ought to we prebook? ought to you prebook? ought to they prebook?	ought to I be prebooking? ought to you be prebooking? ought to he be prebooking? ought to we be prebooking? ought to you be prebooking? ought to they be prebooking?
Perfect	V-ing perfect
ought to I have prebooked? ought to you have prebooked? ought to he have prebooked? ought to we have prebooked? ought to you have prebooked? ought to they have prebooked?	ought to I have been prebooking? ought to you have been prebooking? ought to he have been prebooking? ought to we have been prebooking? ought to you have been prebooking? ought to they have been prebooking?

Interro-negative form

Simple form	V-ing form
oughtn't I to prebook? oughtn't you to prebook? oughtn't he to prebook? oughtn't we to prebook? oughtn't you to prebook? oughtn't they to prebook?	oughtn't I to be prebooking? oughtn't you to be prebooking? oughtn't he to be prebooking? oughtn't we to be prebooking? oughtn't you to be prebooking? oughtn't they to be prebooking?
Perfect	V-ing perfect
oughtn't I to have prebooked? oughtn't you to have prebooked? oughtn't he to have prebooked? oughtn't we to have prebooked? oughtn't you to have prebooked? oughtn't they to have prebooked?	oughtn't I to have been prebooking? oughtn't you to have been prebooking? oughtn't he to have been prebooking? oughtn't we to have been prebooking? oughtn't you to have been prebooking? oughtn't they to have been prebooking?