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