I'd be flickering you'd be flickering she'd be flickering we'd be flickering you'd be flickering they'd be flickering
Perfect
I should've flickered you should've flickered she should've flickered we should've flickered you should've flickered they should've flickered
V-ing perfect
I should've been flickering you should've been flickering she should've been flickering we should've been flickering you should've been flickering they should've been flickering
Negation
Simple form
I shouldn't flicker you shouldn't flicker she shouldn't flicker we shouldn't flicker you shouldn't flicker they shouldn't flicker
V-ing form
I shouldn't be flickering you shouldn't be flickering she shouldn't be flickering we shouldn't be flickering you shouldn't be flickering they shouldn't be flickering
Perfect
I shouldn't have flickered you shouldn't have flickered she shouldn't have flickered we shouldn't have flickered you shouldn't have flickered they shouldn't have flickered
V-ing perfect
I shouldn't have been flickering you shouldn't have been flickering she shouldn't have been flickering we shouldn't have been flickering you shouldn't have been flickering they shouldn't have been flickering
Interrogative form
Simple form
should I flicker? should you flicker? should she flicker? should we flicker? should you flicker? should they flicker?
V-ing form
should I be flickering? should you be flickering? should she be flickering? should we be flickering? should you be flickering? should they be flickering?
Perfect
should I have flickered? should you have flickered? should she have flickered? should we have flickered? should you have flickered? should they have flickered?
V-ing perfect
should I have been flickering? should you have been flickering? should she have been flickering? should we have been flickering? should you have been flickering? should they have been flickering?
Interro-negative form
Simple form
shouldn't I flicker? shouldn't you flicker? shouldn't she flicker? shouldn't we flicker? shouldn't you flicker? shouldn't they flicker?
V-ing form
shouldn't I be flickering? shouldn't you be flickering? shouldn't she be flickering? shouldn't we be flickering? shouldn't you be flickering? shouldn't they be flickering?
Perfect
shouldn't I have flickered? shouldn't you have flickered? shouldn't she have flickered? shouldn't we have flickered? shouldn't you have flickered? shouldn't they have flickered?
V-ing perfect
shouldn't I have been flickering? shouldn't you have been flickering? shouldn't she have been flickering? shouldn't we have been flickering? shouldn't you have been flickering? shouldn't they have been flickering?