English verb conjugation
OUGHT TO CAUTION

Regular verb: caution - cautioned - cautioned

Affirmation

Simple form	V-ing form
I ought to caution you ought to caution he ought to caution we ought to caution you ought to caution they ought to caution	I ought to be cautioning you ought to be cautioning he ought to be cautioning we ought to be cautioning you ought to be cautioning they ought to be cautioning
Perfect	V-ing perfect
I ought to have cautioned you ought to have cautioned he ought to have cautioned we ought to have cautioned you ought to have cautioned they ought to have cautioned	I ought to have been cautioning you ought to have been cautioning he ought to have been cautioning we ought to have been cautioning you ought to have been cautioning they ought to have been cautioning

Negation

Simple form	V-ing form
I ought not to caution you ought not to caution he ought not to caution we ought not to caution you ought not to caution they ought not to caution	I ought not to cautioning you ought not to cautioning he ought not to cautioning we ought not to cautioning you ought not to cautioning they ought not to cautioning
Perfect	V-ing perfect
I ought not to have cautioned you ought not to have cautioned he ought not to have cautioned we ought not to have cautioned you ought not to have cautioned they ought not to have cautioned	I ought not to have been cautioning you ought not to have been cautioning he ought not to have been cautioning we ought not to have been cautioning you ought not to have been cautioning they ought not to have been cautioning

Interrogative form

Simple form	V-ing form
ought to I caution? ought to you caution? ought to he caution? ought to we caution? ought to you caution? ought to they caution?	ought to I be cautioning? ought to you be cautioning? ought to he be cautioning? ought to we be cautioning? ought to you be cautioning? ought to they be cautioning?
Perfect	V-ing perfect
ought to I have cautioned? ought to you have cautioned? ought to he have cautioned? ought to we have cautioned? ought to you have cautioned? ought to they have cautioned?	ought to I have been cautioning? ought to you have been cautioning? ought to he have been cautioning? ought to we have been cautioning? ought to you have been cautioning? ought to they have been cautioning?

Interro-negative form

Simple form	V-ing form
ought I not to caution? ought you not to caution? ought he not to caution? ought we not to caution? ought you not to caution? ought they not to caution?	ought I not to be cautioning? ought you not to be cautioning? ought he not to be cautioning? ought we not to be cautioning? ought you not to be cautioning? ought they not to be cautioning?
Perfect	V-ing perfect
ought I not to have cautioned? ought you not to have cautioned? ought he not to have cautioned? ought we not to have cautioned? ought you not to have cautioned? ought they not to have cautioned?	ought I not to have been cautioning? ought you not to have been cautioning? ought he not to have been cautioning? ought we not to have been cautioning? ought you not to have been cautioning? ought they not to have been cautioning?