English verb conjugation
OUGHT TO UNDERRATE

Regular verb: underrate - underrated - underrated

Affirmation

Simple form	V-ing form
I ought to underrate you ought to underrate he ought to underrate we ought to underrate you ought to underrate they ought to underrate	I ought to be underrating you ought to be underrating he ought to be underrating we ought to be underrating you ought to be underrating they ought to be underrating
Perfect	V-ing perfect
I ought to have underrated you ought to have underrated he ought to have underrated we ought to have underrated you ought to have underrated they ought to have underrated	I ought to have been underrating you ought to have been underrating he ought to have been underrating we ought to have been underrating you ought to have been underrating they ought to have been underrating

Negation

Simple form	V-ing form
I ought not to underrate you ought not to underrate he ought not to underrate we ought not to underrate you ought not to underrate they ought not to underrate	I ought not to underrating you ought not to underrating he ought not to underrating we ought not to underrating you ought not to underrating they ought not to underrating
Perfect	V-ing perfect
I ought not to have underrated you ought not to have underrated he ought not to have underrated we ought not to have underrated you ought not to have underrated they ought not to have underrated	I ought not to have been underrating you ought not to have been underrating he ought not to have been underrating we ought not to have been underrating you ought not to have been underrating they ought not to have been underrating

Interrogative form

Simple form	V-ing form
ought to I underrate? ought to you underrate? ought to he underrate? ought to we underrate? ought to you underrate? ought to they underrate?	ought to I be underrating? ought to you be underrating? ought to he be underrating? ought to we be underrating? ought to you be underrating? ought to they be underrating?
Perfect	V-ing perfect
ought to I have underrated? ought to you have underrated? ought to he have underrated? ought to we have underrated? ought to you have underrated? ought to they have underrated?	ought to I have been underrating? ought to you have been underrating? ought to he have been underrating? ought to we have been underrating? ought to you have been underrating? ought to they have been underrating?

Interro-negative form

Simple form	V-ing form
ought I not to underrate? ought you not to underrate? ought he not to underrate? ought we not to underrate? ought you not to underrate? ought they not to underrate?	ought I not to be underrating? ought you not to be underrating? ought he not to be underrating? ought we not to be underrating? ought you not to be underrating? ought they not to be underrating?
Perfect	V-ing perfect
ought I not to have underrated? ought you not to have underrated? ought he not to have underrated? ought we not to have underrated? ought you not to have underrated? ought they not to have underrated?	ought I not to have been underrating? ought you not to have been underrating? ought he not to have been underrating? ought we not to have been underrating? ought you not to have been underrating? ought they not to have been underrating?