I should wallpaper you should wallpaper he should wallpaper we should wallpaper you should wallpaper they should wallpaper
V-ing form
I should be wallpapering you should be wallpapering he should be wallpapering we should be wallpapering you should be wallpapering they should be wallpapering
Perfect
I should have wallpapered you should have wallpapered he should have wallpapered we should have wallpapered you should have wallpapered they should have wallpapered
V-ing perfect
I should have been wallpapering you should have been wallpapering he should have been wallpapering we should have been wallpapering you should have been wallpapering they should have been wallpapering
Negation
Simple form
I should not wallpaper you should not wallpaper he should not wallpaper we should not wallpaper you should not wallpaper they should not wallpaper
V-ing form
I should not be wallpapering you should not be wallpapering he should not be wallpapering we should not be wallpapering you should not be wallpapering they should not be wallpapering
Perfect
I should not have wallpapered you should not have wallpapered he should not have wallpapered we should not have wallpapered you should not have wallpapered they should not have wallpapered
V-ing perfect
I should not have been wallpapering you should not have been wallpapering he should not have been wallpapering we should not have been wallpapering you should not have been wallpapering they should not have been wallpapering
Interrogative form
Simple form
should I wallpaper? should you wallpaper? should he wallpaper? should we wallpaper? should you wallpaper? should they wallpaper?
V-ing form
should I be wallpapering? should you be wallpapering? should he be wallpapering? should we be wallpapering? should you be wallpapering? should they be wallpapering?
Perfect
should I have wallpapered? should you have wallpapered? should he have wallpapered? should we have wallpapered? should you have wallpapered? should they have wallpapered?
V-ing perfect
should I have been wallpapering? should you have been wallpapering? should he have been wallpapering? should we have been wallpapering? should you have been wallpapering? should they have been wallpapering?
Interro-negative form
Simple form
should I not wallpaper? should you not wallpaper? should he not wallpaper? should we not wallpaper? should you not wallpaper? should they not wallpaper?
V-ing form
should I not be wallpapering? should you not be wallpapering? should he not be wallpapering? should we not be wallpapering? should you not be wallpapering? should they not be wallpapering?
Perfect
should I not have wallpapered? should you not have wallpapered? should he not have wallpapered? should we not have wallpapered? should you not have wallpapered? should they not have wallpapered?
V-ing perfect
should I not have been wallpapering? should you not have been wallpapering? should he not have been wallpapering? should we not have been wallpapering? should you not have been wallpapering? should they not have been wallpapering?