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