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