I'd be backgrounding you'd be backgrounding she'd be backgrounding we'd be backgrounding you'd be backgrounding they'd be backgrounding
Perfect
I should've backgrounded you should've backgrounded she should've backgrounded we should've backgrounded you should've backgrounded they should've backgrounded
Perfect en V-ing
I should've been backgrounding you should've been backgrounding she should've been backgrounding we should've been backgrounding you should've been backgrounding they should've been backgrounding
Négation
Forme simple
I shouldn't background you shouldn't background she shouldn't background we shouldn't background you shouldn't background they shouldn't background
Forme en V-ing
I shouldn't be backgrounding you shouldn't be backgrounding she shouldn't be backgrounding we shouldn't be backgrounding you shouldn't be backgrounding they shouldn't be backgrounding
Perfect
I shouldn't have backgrounded you shouldn't have backgrounded she shouldn't have backgrounded we shouldn't have backgrounded you shouldn't have backgrounded they shouldn't have backgrounded
Perfect en V-ing
I shouldn't have been backgrounding you shouldn't have been backgrounding she shouldn't have been backgrounding we shouldn't have been backgrounding you shouldn't have been backgrounding they shouldn't have been backgrounding
Forme interrogative
Forme simple
should I background? should you background? should she background? should we background? should you background? should they background?
Forme en V-ing
should I be backgrounding? should you be backgrounding? should she be backgrounding? should we be backgrounding? should you be backgrounding? should they be backgrounding?
Perfect
should I have backgrounded? should you have backgrounded? should she have backgrounded? should we have backgrounded? should you have backgrounded? should they have backgrounded?
Perfect en V-ing
should I have been backgrounding? should you have been backgrounding? should she have been backgrounding? should we have been backgrounding? should you have been backgrounding? should they have been backgrounding?
Forme interro-négative
Forme simple
shouldn't I background? shouldn't you background? shouldn't she background? shouldn't we background? shouldn't you background? shouldn't they background?
Forme en V-ing
shouldn't I be backgrounding? shouldn't you be backgrounding? shouldn't she be backgrounding? shouldn't we be backgrounding? shouldn't you be backgrounding? shouldn't they be backgrounding?
Perfect
shouldn't I have backgrounded? shouldn't you have backgrounded? shouldn't she have backgrounded? shouldn't we have backgrounded? shouldn't you have backgrounded? shouldn't they have backgrounded?
Perfect en V-ing
shouldn't I have been backgrounding? shouldn't you have been backgrounding? shouldn't she have been backgrounding? shouldn't we have been backgrounding? shouldn't you have been backgrounding? shouldn't they have been backgrounding?