I ought to kill you ought to kill he ought to kill we ought to kill you ought to kill they ought to kill
V-ing form
I ought to be killing you ought to be killing he ought to be killing we ought to be killing you ought to be killing they ought to be killing
Perfect
I ought to have killed you ought to have killed he ought to have killed we ought to have killed you ought to have killed they ought to have killed
V-ing perfect
I ought to have been killing you ought to have been killing he ought to have been killing we ought to have been killing you ought to have been killing they ought to have been killing
Negation
Simple form
I oughtn't to kill you oughtn't to kill he oughtn't to kill we oughtn't to kill you oughtn't to kill they oughtn't to kill
V-ing form
I oughtn't to be killing you oughtn't to be killing he oughtn't to be killing we oughtn't to be killing you oughtn't to be killing they oughtn't to be killing
Perfect
I oughtn't to have killed you oughtn't to have killed he oughtn't to have killed we oughtn't to have killed you oughtn't to have killed they oughtn't to have killed
V-ing perfect
I oughtn't to have been killing you oughtn't to have been killing he oughtn't to have been killing we oughtn't to have been killing you oughtn't to have been killing they oughtn't to have been killing
Interrogative form
Simple form
ought to I kill? ought to you kill? ought to he kill? ought to we kill? ought to you kill? ought to they kill?
V-ing form
ought to I be killing? ought to you be killing? ought to he be killing? ought to we be killing? ought to you be killing? ought to they be killing?
Perfect
ought to I have killed? ought to you have killed? ought to he have killed? ought to we have killed? ought to you have killed? ought to they have killed?
V-ing perfect
ought to I have been killing? ought to you have been killing? ought to he have been killing? ought to we have been killing? ought to you have been killing? ought to they have been killing?
Interro-negative form
Simple form
oughtn't I to kill? oughtn't you to kill? oughtn't he to kill? oughtn't we to kill? oughtn't you to kill? oughtn't they to kill?
V-ing form
oughtn't I to be killing? oughtn't you to be killing? oughtn't he to be killing? oughtn't we to be killing? oughtn't you to be killing? oughtn't they to be killing?
Perfect
oughtn't I to have killed? oughtn't you to have killed? oughtn't he to have killed? oughtn't we to have killed? oughtn't you to have killed? oughtn't they to have killed?
V-ing perfect
oughtn't I to have been killing? oughtn't you to have been killing? oughtn't he to have been killing? oughtn't we to have been killing? oughtn't you to have been killing? oughtn't they to have been killing?