I'd be window-dressing you'd be window-dressing he'd be window-dressing we'd be window-dressing you'd be window-dressing they'd be window-dressing
Perfect
I should've window-dressed you should've window-dressed he should've window-dressed we should've window-dressed you should've window-dressed they should've window-dressed
V-ing perfect
I should've been window-dressing you should've been window-dressing he should've been window-dressing we should've been window-dressing you should've been window-dressing they should've been window-dressing
Negation
Simple form
I shouldn't window-dress you shouldn't window-dress he shouldn't window-dress we shouldn't window-dress you shouldn't window-dress they shouldn't window-dress
V-ing form
I shouldn't be window-dressing you shouldn't be window-dressing he shouldn't be window-dressing we shouldn't be window-dressing you shouldn't be window-dressing they shouldn't be window-dressing
Perfect
I shouldn't have window-dressed you shouldn't have window-dressed he shouldn't have window-dressed we shouldn't have window-dressed you shouldn't have window-dressed they shouldn't have window-dressed
V-ing perfect
I shouldn't have been window-dressing you shouldn't have been window-dressing he shouldn't have been window-dressing we shouldn't have been window-dressing you shouldn't have been window-dressing they shouldn't have been window-dressing
Interrogative form
Simple form
should I window-dress? should you window-dress? should he window-dress? should we window-dress? should you window-dress? should they window-dress?
V-ing form
should I be window-dressing? should you be window-dressing? should he be window-dressing? should we be window-dressing? should you be window-dressing? should they be window-dressing?
Perfect
should I have window-dressed? should you have window-dressed? should he have window-dressed? should we have window-dressed? should you have window-dressed? should they have window-dressed?
V-ing perfect
should I have been window-dressing? should you have been window-dressing? should he have been window-dressing? should we have been window-dressing? should you have been window-dressing? should they have been window-dressing?
Interro-negative form
Simple form
shouldn't I window-dress? shouldn't you window-dress? shouldn't he window-dress? shouldn't we window-dress? shouldn't you window-dress? shouldn't they window-dress?
V-ing form
shouldn't I be window-dressing? shouldn't you be window-dressing? shouldn't he be window-dressing? shouldn't we be window-dressing? shouldn't you be window-dressing? shouldn't they be window-dressing?
Perfect
shouldn't I have window-dressed? shouldn't you have window-dressed? shouldn't he have window-dressed? shouldn't we have window-dressed? shouldn't you have window-dressed? shouldn't they have window-dressed?
V-ing perfect
shouldn't I have been window-dressing? shouldn't you have been window-dressing? shouldn't he have been window-dressing? shouldn't we have been window-dressing? shouldn't you have been window-dressing? shouldn't they have been window-dressing?