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