English verb conjugation
OUGHT TO KO

Regular verb: ko - koed - koed

Affirmation

Simple form	V-ing form
I ought to ko you ought to ko he ought to ko we ought to ko you ought to ko they ought to ko	I ought to be koing you ought to be koing he ought to be koing we ought to be koing you ought to be koing they ought to be koing
Perfect	V-ing perfect
I ought to have koed you ought to have koed he ought to have koed we ought to have koed you ought to have koed they ought to have koed	I ought to have been koing you ought to have been koing he ought to have been koing we ought to have been koing you ought to have been koing they ought to have been koing

Negation

Simple form	V-ing form
I oughtn't to ko you oughtn't to ko he oughtn't to ko we oughtn't to ko you oughtn't to ko they oughtn't to ko	I oughtn't to be koing you oughtn't to be koing he oughtn't to be koing we oughtn't to be koing you oughtn't to be koing they oughtn't to be koing
Perfect	V-ing perfect
I oughtn't to have koed you oughtn't to have koed he oughtn't to have koed we oughtn't to have koed you oughtn't to have koed they oughtn't to have koed	I oughtn't to have been koing you oughtn't to have been koing he oughtn't to have been koing we oughtn't to have been koing you oughtn't to have been koing they oughtn't to have been koing

Interrogative form

Simple form	V-ing form
ought to I ko? ought to you ko? ought to he ko? ought to we ko? ought to you ko? ought to they ko?	ought to I be koing? ought to you be koing? ought to he be koing? ought to we be koing? ought to you be koing? ought to they be koing?
Perfect	V-ing perfect
ought to I have koed? ought to you have koed? ought to he have koed? ought to we have koed? ought to you have koed? ought to they have koed?	ought to I have been koing? ought to you have been koing? ought to he have been koing? ought to we have been koing? ought to you have been koing? ought to they have been koing?

Interro-negative form

Simple form	V-ing form
oughtn't I to ko? oughtn't you to ko? oughtn't he to ko? oughtn't we to ko? oughtn't you to ko? oughtn't they to ko?	oughtn't I to be koing? oughtn't you to be koing? oughtn't he to be koing? oughtn't we to be koing? oughtn't you to be koing? oughtn't they to be koing?
Perfect	V-ing perfect
oughtn't I to have koed? oughtn't you to have koed? oughtn't he to have koed? oughtn't we to have koed? oughtn't you to have koed? oughtn't they to have koed?	oughtn't I to have been koing? oughtn't you to have been koing? oughtn't he to have been koing? oughtn't we to have been koing? oughtn't you to have been koing? oughtn't they to have been koing?