English verb conjugation
SHOULD KILL

Regular verb: kill - killed - killed

Affirmation

Simple form	V-ing form
I should kill you should kill he should kill we should kill you should kill they should kill	I should be killing you should be killing he should be killing we should be killing you should be killing they should be killing
Perfect	V-ing perfect
I should have killed you should have killed he should have killed we should have killed you should have killed they should have killed	I should have been killing you should have been killing he should have been killing we should have been killing you should have been killing they should have been killing

Negation

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

Interro-negative form

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