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