I'd be describing you'd be describing she'd be describing we'd be describing you'd be describing they'd be describing
Perfect
I should've described you should've described she should've described we should've described you should've described they should've described
V-ing perfect
I should've been describing you should've been describing she should've been describing we should've been describing you should've been describing they should've been describing
Negation
Simple form
I shouldn't describe you shouldn't describe she shouldn't describe we shouldn't describe you shouldn't describe they shouldn't describe
V-ing form
I shouldn't be describing you shouldn't be describing she shouldn't be describing we shouldn't be describing you shouldn't be describing they shouldn't be describing
Perfect
I shouldn't have described you shouldn't have described she shouldn't have described we shouldn't have described you shouldn't have described they shouldn't have described
V-ing perfect
I shouldn't have been describing you shouldn't have been describing she shouldn't have been describing we shouldn't have been describing you shouldn't have been describing they shouldn't have been describing
Interrogative form
Simple form
should I describe? should you describe? should she describe? should we describe? should you describe? should they describe?
V-ing form
should I be describing? should you be describing? should she be describing? should we be describing? should you be describing? should they be describing?
Perfect
should I have described? should you have described? should she have described? should we have described? should you have described? should they have described?
V-ing perfect
should I have been describing? should you have been describing? should she have been describing? should we have been describing? should you have been describing? should they have been describing?
Interro-negative form
Simple form
shouldn't I describe? shouldn't you describe? shouldn't she describe? shouldn't we describe? shouldn't you describe? shouldn't they describe?
V-ing form
shouldn't I be describing? shouldn't you be describing? shouldn't she be describing? shouldn't we be describing? shouldn't you be describing? shouldn't they be describing?
Perfect
shouldn't I have described? shouldn't you have described? shouldn't she have described? shouldn't we have described? shouldn't you have described? shouldn't they have described?
V-ing perfect
shouldn't I have been describing? shouldn't you have been describing? shouldn't she have been describing? shouldn't we have been describing? shouldn't you have been describing? shouldn't they have been describing?