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