English verb conjugation
OUGHT TO BACK

Regular verb: back - backed - backed

Affirmation

Simple form	V-ing form
I ought to back you ought to back he ought to back we ought to back you ought to back they ought to back	I ought to be backing you ought to be backing he ought to be backing we ought to be backing you ought to be backing they ought to be backing
Perfect	V-ing perfect
I ought to have backed you ought to have backed he ought to have backed we ought to have backed you ought to have backed they ought to have backed	I ought to have been backing you ought to have been backing he ought to have been backing we ought to have been backing you ought to have been backing they ought to have been backing

Negation

Simple form	V-ing form
I ought not to back you ought not to back he ought not to back we ought not to back you ought not to back they ought not to back	I ought not to backing you ought not to backing he ought not to backing we ought not to backing you ought not to backing they ought not to backing
Perfect	V-ing perfect
I ought not to have backed you ought not to have backed he ought not to have backed we ought not to have backed you ought not to have backed they ought not to have backed	I ought not to have been backing you ought not to have been backing he ought not to have been backing we ought not to have been backing you ought not to have been backing they ought not to have been backing

Interrogative form

Simple form	V-ing form
ought to I back? ought to you back? ought to he back? ought to we back? ought to you back? ought to they back?	ought to I be backing? ought to you be backing? ought to he be backing? ought to we be backing? ought to you be backing? ought to they be backing?
Perfect	V-ing perfect
ought to I have backed? ought to you have backed? ought to he have backed? ought to we have backed? ought to you have backed? ought to they have backed?	ought to I have been backing? ought to you have been backing? ought to he have been backing? ought to we have been backing? ought to you have been backing? ought to they have been backing?

Interro-negative form

Simple form	V-ing form
ought I not to back? ought you not to back? ought he not to back? ought we not to back? ought you not to back? ought they not to back?	ought I not to be backing? ought you not to be backing? ought he not to be backing? ought we not to be backing? ought you not to be backing? ought they not to be backing?
Perfect	V-ing perfect
ought I not to have backed? ought you not to have backed? ought he not to have backed? ought we not to have backed? ought you not to have backed? ought they not to have backed?	ought I not to have been backing? ought you not to have been backing? ought he not to have been backing? ought we not to have been backing? ought you not to have been backing? ought they not to have been backing?