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