I ought to err you ought to err he ought to err we ought to err you ought to err they ought to err
V-ing form
I ought to be erring you ought to be erring he ought to be erring we ought to be erring you ought to be erring they ought to be erring
Perfect
I ought to have erred you ought to have erred he ought to have erred we ought to have erred you ought to have erred they ought to have erred
V-ing perfect
I ought to have been erring you ought to have been erring he ought to have been erring we ought to have been erring you ought to have been erring they ought to have been erring
Negation
Simple form
I ought not to err you ought not to err he ought not to err we ought not to err you ought not to err they ought not to err
V-ing form
I ought not to erring you ought not to erring he ought not to erring we ought not to erring you ought not to erring they ought not to erring
Perfect
I ought not to have erred you ought not to have erred he ought not to have erred we ought not to have erred you ought not to have erred they ought not to have erred
V-ing perfect
I ought not to have been erring you ought not to have been erring he ought not to have been erring we ought not to have been erring you ought not to have been erring they ought not to have been erring
Interrogative form
Simple form
ought to I err? ought to you err? ought to he err? ought to we err? ought to you err? ought to they err?
V-ing form
ought to I be erring? ought to you be erring? ought to he be erring? ought to we be erring? ought to you be erring? ought to they be erring?
Perfect
ought to I have erred? ought to you have erred? ought to he have erred? ought to we have erred? ought to you have erred? ought to they have erred?
V-ing perfect
ought to I have been erring? ought to you have been erring? ought to he have been erring? ought to we have been erring? ought to you have been erring? ought to they have been erring?
Interro-negative form
Simple form
ought I not to err? ought you not to err? ought he not to err? ought we not to err? ought you not to err? ought they not to err?
V-ing form
ought I not to be erring? ought you not to be erring? ought he not to be erring? ought we not to be erring? ought you not to be erring? ought they not to be erring?
Perfect
ought I not to have erred? ought you not to have erred? ought he not to have erred? ought we not to have erred? ought you not to have erred? ought they not to have erred?
V-ing perfect
ought I not to have been erring? ought you not to have been erring? ought he not to have been erring? ought we not to have been erring? ought you not to have been erring? ought they not to have been erring?