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