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 oughtn't to underrate you oughtn't to underrate he oughtn't to underrate we oughtn't to underrate you oughtn't to underrate they oughtn't to underrate	I oughtn't to be underrating you oughtn't to be underrating he oughtn't to be underrating we oughtn't to be underrating you oughtn't to be underrating they oughtn't to be underrating
Perfect	V-ing perfect
I oughtn't to have underrated you oughtn't to have underrated he oughtn't to have underrated we oughtn't to have underrated you oughtn't to have underrated they oughtn't to have underrated	I oughtn't to have been underrating you oughtn't to have been underrating he oughtn't to have been underrating we oughtn't to have been underrating you oughtn't to have been underrating they oughtn't 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
oughtn't I to underrate? oughtn't you to underrate? oughtn't he to underrate? oughtn't we to underrate? oughtn't you to underrate? oughtn't they to underrate?	oughtn't I to be underrating? oughtn't you to be underrating? oughtn't he to be underrating? oughtn't we to be underrating? oughtn't you to be underrating? oughtn't they to be underrating?
Perfect	V-ing perfect
oughtn't I to have underrated? oughtn't you to have underrated? oughtn't he to have underrated? oughtn't we to have underrated? oughtn't you to have underrated? oughtn't they to have underrated?	oughtn't I to have been underrating? oughtn't you to have been underrating? oughtn't he to have been underrating? oughtn't we to have been underrating? oughtn't you to have been underrating? oughtn't they to have been underrating?