English verb conjugation
OUGHT TO PERTURB

Regular verb: perturb - perturbed - perturbed

Affirmation

Simple form	V-ing form
I ought to perturb you ought to perturb he ought to perturb we ought to perturb you ought to perturb they ought to perturb	I ought to be perturbing you ought to be perturbing he ought to be perturbing we ought to be perturbing you ought to be perturbing they ought to be perturbing
Perfect	V-ing perfect
I ought to have perturbed you ought to have perturbed he ought to have perturbed we ought to have perturbed you ought to have perturbed they ought to have perturbed	I ought to have been perturbing you ought to have been perturbing he ought to have been perturbing we ought to have been perturbing you ought to have been perturbing they ought to have been perturbing

Negation

Simple form	V-ing form
I ought not to perturb you ought not to perturb he ought not to perturb we ought not to perturb you ought not to perturb they ought not to perturb	I ought not to perturbing you ought not to perturbing he ought not to perturbing we ought not to perturbing you ought not to perturbing they ought not to perturbing
Perfect	V-ing perfect
I ought not to have perturbed you ought not to have perturbed he ought not to have perturbed we ought not to have perturbed you ought not to have perturbed they ought not to have perturbed	I ought not to have been perturbing you ought not to have been perturbing he ought not to have been perturbing we ought not to have been perturbing you ought not to have been perturbing they ought not to have been perturbing

Interrogative form

Simple form	V-ing form
ought to I perturb? ought to you perturb? ought to he perturb? ought to we perturb? ought to you perturb? ought to they perturb?	ought to I be perturbing? ought to you be perturbing? ought to he be perturbing? ought to we be perturbing? ought to you be perturbing? ought to they be perturbing?
Perfect	V-ing perfect
ought to I have perturbed? ought to you have perturbed? ought to he have perturbed? ought to we have perturbed? ought to you have perturbed? ought to they have perturbed?	ought to I have been perturbing? ought to you have been perturbing? ought to he have been perturbing? ought to we have been perturbing? ought to you have been perturbing? ought to they have been perturbing?

Interro-negative form

Simple form	V-ing form
ought I not to perturb? ought you not to perturb? ought he not to perturb? ought we not to perturb? ought you not to perturb? ought they not to perturb?	ought I not to be perturbing? ought you not to be perturbing? ought he not to be perturbing? ought we not to be perturbing? ought you not to be perturbing? ought they not to be perturbing?
Perfect	V-ing perfect
ought I not to have perturbed? ought you not to have perturbed? ought he not to have perturbed? ought we not to have perturbed? ought you not to have perturbed? ought they not to have perturbed?	ought I not to have been perturbing? ought you not to have been perturbing? ought he not to have been perturbing? ought we not to have been perturbing? ought you not to have been perturbing? ought they not to have been perturbing?