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