I should kill you should kill she should kill we should kill you should kill they should kill
V-ing form
I should be killing you should be killing she should be killing we should be killing you should be killing they should be killing
Perfect
I should have killed you should have killed she should have killed we should have killed you should have killed they should have killed
V-ing perfect
I should have been killing you should have been killing she should have been killing we should have been killing you should have been killing they should have been killing
Negation
Simple form
I should not kill you should not kill she should not kill we should not kill you should not kill they should not kill
V-ing form
I should not be killing you should not be killing she should not be killing we should not be killing you should not be killing they should not be killing
Perfect
I should not have killed you should not have killed she should not have killed we should not have killed you should not have killed they should not have killed
V-ing perfect
I should not have been killing you should not have been killing she should not have been killing we should not have been killing you should not have been killing they should not have been killing
Interrogative form
Simple form
should I kill? should you kill? should she kill? should we kill? should you kill? should they kill?
V-ing form
should I be killing? should you be killing? should she be killing? should we be killing? should you be killing? should they be killing?
Perfect
should I have killed? should you have killed? should she have killed? should we have killed? should you have killed? should they have killed?
V-ing perfect
should I have been killing? should you have been killing? should she have been killing? should we have been killing? should you have been killing? should they have been killing?
Interro-negative form
Simple form
should I not kill? should you not kill? should she not kill? should we not kill? should you not kill? should they not kill?
V-ing form
should I not be killing? should you not be killing? should she not be killing? should we not be killing? should you not be killing? should they not be killing?
Perfect
should I not have killed? should you not have killed? should she not have killed? should we not have killed? should you not have killed? should they not have killed?
V-ing perfect
should I not have been killing? should you not have been killing? should she not have been killing? should we not have been killing? should you not have been killing? should they not have been killing?