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