English verb conjugation
OUGHT TO STRAIGHTEN

Regular verb: straighten - straightened - straightened

Affirmation

Simple form	V-ing form
I ought to straighten you ought to straighten he ought to straighten we ought to straighten you ought to straighten they ought to straighten	I ought to be straightening you ought to be straightening he ought to be straightening we ought to be straightening you ought to be straightening they ought to be straightening
Perfect	V-ing perfect
I ought to have straightened you ought to have straightened he ought to have straightened we ought to have straightened you ought to have straightened they ought to have straightened	I ought to have been straightening you ought to have been straightening he ought to have been straightening we ought to have been straightening you ought to have been straightening they ought to have been straightening

Negation

Simple form	V-ing form
I ought not to straighten you ought not to straighten he ought not to straighten we ought not to straighten you ought not to straighten they ought not to straighten	I ought not to straightening you ought not to straightening he ought not to straightening we ought not to straightening you ought not to straightening they ought not to straightening
Perfect	V-ing perfect
I ought not to have straightened you ought not to have straightened he ought not to have straightened we ought not to have straightened you ought not to have straightened they ought not to have straightened	I ought not to have been straightening you ought not to have been straightening he ought not to have been straightening we ought not to have been straightening you ought not to have been straightening they ought not to have been straightening

Interrogative form

Simple form	V-ing form
ought to I straighten? ought to you straighten? ought to he straighten? ought to we straighten? ought to you straighten? ought to they straighten?	ought to I be straightening? ought to you be straightening? ought to he be straightening? ought to we be straightening? ought to you be straightening? ought to they be straightening?
Perfect	V-ing perfect
ought to I have straightened? ought to you have straightened? ought to he have straightened? ought to we have straightened? ought to you have straightened? ought to they have straightened?	ought to I have been straightening? ought to you have been straightening? ought to he have been straightening? ought to we have been straightening? ought to you have been straightening? ought to they have been straightening?

Interro-negative form

Simple form	V-ing form
ought I not to straighten? ought you not to straighten? ought he not to straighten? ought we not to straighten? ought you not to straighten? ought they not to straighten?	ought I not to be straightening? ought you not to be straightening? ought he not to be straightening? ought we not to be straightening? ought you not to be straightening? ought they not to be straightening?
Perfect	V-ing perfect
ought I not to have straightened? ought you not to have straightened? ought he not to have straightened? ought we not to have straightened? ought you not to have straightened? ought they not to have straightened?	ought I not to have been straightening? ought you not to have been straightening? ought he not to have been straightening? ought we not to have been straightening? ought you not to have been straightening? ought they not to have been straightening?