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 ought not to prebook you ought not to prebook he ought not to prebook we ought not to prebook you ought not to prebook they ought not to prebook	I ought not to prebooking you ought not to prebooking he ought not to prebooking we ought not to prebooking you ought not to prebooking they ought not to prebooking
Perfect	V-ing perfect
I ought not to have prebooked you ought not to have prebooked he ought not to have prebooked we ought not to have prebooked you ought not to have prebooked they ought not to have prebooked	I ought not to have been prebooking you ought not to have been prebooking he ought not to have been prebooking we ought not to have been prebooking you ought not to have been prebooking they ought not 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
ought I not to prebook? ought you not to prebook? ought he not to prebook? ought we not to prebook? ought you not to prebook? ought they not to prebook?	ought I not to be prebooking? ought you not to be prebooking? ought he not to be prebooking? ought we not to be prebooking? ought you not to be prebooking? ought they not to be prebooking?
Perfect	V-ing perfect
ought I not to have prebooked? ought you not to have prebooked? ought he not to have prebooked? ought we not to have prebooked? ought you not to have prebooked? ought they not to have prebooked?	ought I not to have been prebooking? ought you not to have been prebooking? ought he not to have been prebooking? ought we not to have been prebooking? ought you not to have been prebooking? ought they not to have been prebooking?