English verb conjugation
OUGHT TO UNDERSTATE

Regular verb: understate - understated - understated

Affirmation

Simple form	V-ing form
I ought to understate you ought to understate he ought to understate we ought to understate you ought to understate they ought to understate	I ought to be understating you ought to be understating he ought to be understating we ought to be understating you ought to be understating they ought to be understating
Perfect	V-ing perfect
I ought to have understated you ought to have understated he ought to have understated we ought to have understated you ought to have understated they ought to have understated	I ought to have been understating you ought to have been understating he ought to have been understating we ought to have been understating you ought to have been understating they ought to have been understating

Negation

Simple form	V-ing form
I oughtn't to understate you oughtn't to understate he oughtn't to understate we oughtn't to understate you oughtn't to understate they oughtn't to understate	I oughtn't to be understating you oughtn't to be understating he oughtn't to be understating we oughtn't to be understating you oughtn't to be understating they oughtn't to be understating
Perfect	V-ing perfect
I oughtn't to have understated you oughtn't to have understated he oughtn't to have understated we oughtn't to have understated you oughtn't to have understated they oughtn't to have understated	I oughtn't to have been understating you oughtn't to have been understating he oughtn't to have been understating we oughtn't to have been understating you oughtn't to have been understating they oughtn't to have been understating

Interrogative form

Simple form	V-ing form
ought to I understate? ought to you understate? ought to he understate? ought to we understate? ought to you understate? ought to they understate?	ought to I be understating? ought to you be understating? ought to he be understating? ought to we be understating? ought to you be understating? ought to they be understating?
Perfect	V-ing perfect
ought to I have understated? ought to you have understated? ought to he have understated? ought to we have understated? ought to you have understated? ought to they have understated?	ought to I have been understating? ought to you have been understating? ought to he have been understating? ought to we have been understating? ought to you have been understating? ought to they have been understating?

Interro-negative form

Simple form	V-ing form
oughtn't I to understate? oughtn't you to understate? oughtn't he to understate? oughtn't we to understate? oughtn't you to understate? oughtn't they to understate?	oughtn't I to be understating? oughtn't you to be understating? oughtn't he to be understating? oughtn't we to be understating? oughtn't you to be understating? oughtn't they to be understating?
Perfect	V-ing perfect
oughtn't I to have understated? oughtn't you to have understated? oughtn't he to have understated? oughtn't we to have understated? oughtn't you to have understated? oughtn't they to have understated?	oughtn't I to have been understating? oughtn't you to have been understating? oughtn't he to have been understating? oughtn't we to have been understating? oughtn't you to have been understating? oughtn't they to have been understating?