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