I should describe you should describe she should describe we should describe you should describe they should describe
V-ing form
I should be describing you should be describing she should be describing we should be describing you should be describing they should be describing
Perfect
I should have described you should have described she should have described we should have described you should have described they should have described
V-ing perfect
I should have been describing you should have been describing she should have been describing we should have been describing you should have been describing they should have been describing
Negation
Simple form
I should not describe you should not describe she should not describe we should not describe you should not describe they should not describe
V-ing form
I should not be describing you should not be describing she should not be describing we should not be describing you should not be describing they should not be describing
Perfect
I should not have described you should not have described she should not have described we should not have described you should not have described they should not have described
V-ing perfect
I should not have been describing you should not have been describing she should not have been describing we should not have been describing you should not have been describing they should not 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
should I not describe? should you not describe? should she not describe? should we not describe? should you not describe? should they not describe?
V-ing form
should I not be describing? should you not be describing? should she not be describing? should we not be describing? should you not be describing? should they not be describing?
Perfect
should I not have described? should you not have described? should she not have described? should we not have described? should you not have described? should they not have described?
V-ing perfect
should I not have been describing? should you not have been describing? should she not have been describing? should we not have been describing? should you not have been describing? should they not have been describing?