ought to kill
Regular verb: kill - killed- killed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to kill
you ought to kill
he ought to kill
we ought to kill
you ought to kill
they ought to kill 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to kill
you ought not to kill
he ought not to kill
we ought not to kill
you ought not to kill
they ought not to kill 	I ought not to killing
you ought not to killing
he ought not to killing
we ought not to killing
you ought not to killing
they ought not to killing	I ought not to have killed
you ought not to have killed
he ought not to have killed
we ought not to have killed
you ought not to have killed
they ought not to have killed	I ought not to have been killing
you ought not to have been killing
he ought not to have been killing
we ought not to have been killing
you ought not to have been killing
they ought not to have been killing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I kill?
ought to you kill?
ought to he kill?
ought to we kill?
ought to you kill?
ought to they kill? 	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? 	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? 	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 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to kill?
ought you not to kill?
ought he not to kill?
ought we not to kill?
ought you not to kill?
ought they not to kill? 	ought I not to be killing?
ought you not to be killing?
ought he not to be killing?
ought we not to be killing?
ought you not to be killing?
ought they not to be killing? 	ought I not to have killed?
ought you not to have killed?
ought he not to have killed?
ought we not to have killed?
ought you not to have killed?
ought they not to have killed? 	ought I not to have been killing?
ought you not to have been killing?
ought he not to have been killing?
ought we not to have been killing?
ought you not to have been killing?
ought they not to have been killing?