I ought to ko you ought to ko he 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 he 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 he 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 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
I ought not to ko you ought not to ko he 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 he 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 he 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 he 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 he 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 he 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 he 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 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
ought I not to ko? ought you not to ko? ought he 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 he 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 he 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 he 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?