I ought to replace you ought to replace he ought to replace we ought to replace you ought to replace they ought to replace
V-ing form
I ought to be replacing you ought to be replacing he ought to be replacing we ought to be replacing you ought to be replacing they ought to be replacing
Perfect
I ought to have replaced you ought to have replaced he ought to have replaced we ought to have replaced you ought to have replaced they ought to have replaced
V-ing perfect
I ought to have been replacing you ought to have been replacing he ought to have been replacing we ought to have been replacing you ought to have been replacing they ought to have been replacing
Negation
Simple form
I ought not to replace you ought not to replace he ought not to replace we ought not to replace you ought not to replace they ought not to replace
V-ing form
I ought not to replacing you ought not to replacing he ought not to replacing we ought not to replacing you ought not to replacing they ought not to replacing
Perfect
I ought not to have replaced you ought not to have replaced he ought not to have replaced we ought not to have replaced you ought not to have replaced they ought not to have replaced
V-ing perfect
I ought not to have been replacing you ought not to have been replacing he ought not to have been replacing we ought not to have been replacing you ought not to have been replacing they ought not to have been replacing
Interrogative form
Simple form
ought to I replace? ought to you replace? ought to he replace? ought to we replace? ought to you replace? ought to they replace?
V-ing form
ought to I be replacing? ought to you be replacing? ought to he be replacing? ought to we be replacing? ought to you be replacing? ought to they be replacing?
Perfect
ought to I have replaced? ought to you have replaced? ought to he have replaced? ought to we have replaced? ought to you have replaced? ought to they have replaced?
V-ing perfect
ought to I have been replacing? ought to you have been replacing? ought to he have been replacing? ought to we have been replacing? ought to you have been replacing? ought to they have been replacing?
Interro-negative form
Simple form
ought I not to replace? ought you not to replace? ought he not to replace? ought we not to replace? ought you not to replace? ought they not to replace?
V-ing form
ought I not to be replacing? ought you not to be replacing? ought he not to be replacing? ought we not to be replacing? ought you not to be replacing? ought they not to be replacing?
Perfect
ought I not to have replaced? ought you not to have replaced? ought he not to have replaced? ought we not to have replaced? ought you not to have replaced? ought they not to have replaced?
V-ing perfect
ought I not to have been replacing? ought you not to have been replacing? ought he not to have been replacing? ought we not to have been replacing? ought you not to have been replacing? ought they not to have been replacing?