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