I'd be killing you'd be killing he'd be killing we'd be killing you'd be killing they'd be killing
Perfect
I should've killed you should've killed he should've killed we should've killed you should've killed they should've killed
V-ing perfect
I should've been killing you should've been killing he should've been killing we should've been killing you should've been killing they should've been killing
Negation
Simple form
I shouldn't kill you shouldn't kill he shouldn't kill we shouldn't kill you shouldn't kill they shouldn't kill
V-ing form
I shouldn't be killing you shouldn't be killing he shouldn't be killing we shouldn't be killing you shouldn't be killing they shouldn't be killing
Perfect
I shouldn't have killed you shouldn't have killed he shouldn't have killed we shouldn't have killed you shouldn't have killed they shouldn't have killed
V-ing perfect
I shouldn't have been killing you shouldn't have been killing he shouldn't have been killing we shouldn't have been killing you shouldn't have been killing they shouldn't have been killing
Interrogative form
Simple form
should I kill? should you kill? should he kill? should we kill? should you kill? should they kill?
V-ing form
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
should I have killed? should you have killed? should he 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 he have been killing? should we have been killing? should you have been killing? should they have been killing?
Interro-negative form
Simple form
shouldn't I kill? shouldn't you kill? shouldn't he kill? shouldn't we kill? shouldn't you kill? shouldn't they kill?
V-ing form
shouldn't I be killing? shouldn't you be killing? shouldn't he be killing? shouldn't we be killing? shouldn't you be killing? shouldn't they be killing?
Perfect
shouldn't I have killed? shouldn't you have killed? shouldn't he have killed? shouldn't we have killed? shouldn't you have killed? shouldn't they have killed?
V-ing perfect
shouldn't I have been killing? shouldn't you have been killing? shouldn't he have been killing? shouldn't we have been killing? shouldn't you have been killing? shouldn't they have been killing?