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