English verb conjugation
OUGHT TO UNDERVALUE

Regular verb: undervalue - undervalued - undervalued

Affirmation

Simple form	V-ing form
I ought to undervalue you ought to undervalue he ought to undervalue we ought to undervalue you ought to undervalue they ought to undervalue	I ought to be undervaluing you ought to be undervaluing he ought to be undervaluing we ought to be undervaluing you ought to be undervaluing they ought to be undervaluing
Perfect	V-ing perfect
I ought to have undervalued you ought to have undervalued he ought to have undervalued we ought to have undervalued you ought to have undervalued they ought to have undervalued	I ought to have been undervaluing you ought to have been undervaluing he ought to have been undervaluing we ought to have been undervaluing you ought to have been undervaluing they ought to have been undervaluing

Negation

Simple form	V-ing form
I oughtn't to undervalue you oughtn't to undervalue he oughtn't to undervalue we oughtn't to undervalue you oughtn't to undervalue they oughtn't to undervalue	I oughtn't to be undervaluing you oughtn't to be undervaluing he oughtn't to be undervaluing we oughtn't to be undervaluing you oughtn't to be undervaluing they oughtn't to be undervaluing
Perfect	V-ing perfect
I oughtn't to have undervalued you oughtn't to have undervalued he oughtn't to have undervalued we oughtn't to have undervalued you oughtn't to have undervalued they oughtn't to have undervalued	I oughtn't to have been undervaluing you oughtn't to have been undervaluing he oughtn't to have been undervaluing we oughtn't to have been undervaluing you oughtn't to have been undervaluing they oughtn't to have been undervaluing

Interrogative form

Simple form	V-ing form
ought to I undervalue? ought to you undervalue? ought to he undervalue? ought to we undervalue? ought to you undervalue? ought to they undervalue?	ought to I be undervaluing? ought to you be undervaluing? ought to he be undervaluing? ought to we be undervaluing? ought to you be undervaluing? ought to they be undervaluing?
Perfect	V-ing perfect
ought to I have undervalued? ought to you have undervalued? ought to he have undervalued? ought to we have undervalued? ought to you have undervalued? ought to they have undervalued?	ought to I have been undervaluing? ought to you have been undervaluing? ought to he have been undervaluing? ought to we have been undervaluing? ought to you have been undervaluing? ought to they have been undervaluing?

Interro-negative form

Simple form	V-ing form
oughtn't I to undervalue? oughtn't you to undervalue? oughtn't he to undervalue? oughtn't we to undervalue? oughtn't you to undervalue? oughtn't they to undervalue?	oughtn't I to be undervaluing? oughtn't you to be undervaluing? oughtn't he to be undervaluing? oughtn't we to be undervaluing? oughtn't you to be undervaluing? oughtn't they to be undervaluing?
Perfect	V-ing perfect
oughtn't I to have undervalued? oughtn't you to have undervalued? oughtn't he to have undervalued? oughtn't we to have undervalued? oughtn't you to have undervalued? oughtn't they to have undervalued?	oughtn't I to have been undervaluing? oughtn't you to have been undervaluing? oughtn't he to have been undervaluing? oughtn't we to have been undervaluing? oughtn't you to have been undervaluing? oughtn't they to have been undervaluing?