I ought to ko you ought to ko she ought to ko we ought to ko you ought to ko they ought to ko
V-ing form
I ought to be koing you ought to be koing she ought to be koing we ought to be koing you ought to be koing they ought to be koing
Perfect
I ought to have koed you ought to have koed she ought to have koed we ought to have koed you ought to have koed they ought to have koed
V-ing perfect
I ought to have been koing you ought to have been koing she 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
I ought not to ko you ought not to ko she ought not to ko we ought not to ko you ought not to ko they ought not to ko
V-ing form
I ought not to koing you ought not to koing she ought not to koing we ought not to koing you ought not to koing they ought not to koing
Perfect
I ought not to have koed you ought not to have koed she ought not to have koed we ought not to have koed you ought not to have koed they ought not to have koed
V-ing perfect
I ought not to have been koing you ought not to have been koing she ought not to have been koing we ought not to have been koing you ought not to have been koing they ought not to have been koing
Interrogative form
Simple form
ought to I ko? ought to you ko? ought to she ko? ought to we ko? ought to you ko? ought to they ko?
V-ing form
ought to I be koing? ought to you be koing? ought to she be koing? ought to we be koing? ought to you be koing? ought to they be koing?
Perfect
ought to I have koed? ought to you have koed? ought to she have koed? ought to we have koed? ought to you have koed? ought to they have koed?
V-ing perfect
ought to I have been koing? ought to you have been koing? ought to she 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
ought I not to ko? ought you not to ko? ought she not to ko? ought we not to ko? ought you not to ko? ought they not to ko?
V-ing form
ought I not to be koing? ought you not to be koing? ought she not to be koing? ought we not to be koing? ought you not to be koing? ought they not to be koing?
Perfect
ought I not to have koed? ought you not to have koed? ought she not to have koed? ought we not to have koed? ought you not to have koed? ought they not to have koed?
V-ing perfect
ought I not to have been koing? ought you not to have been koing? ought she not to have been koing? ought we not to have been koing? ought you not to have been koing? ought they not to have been koing?