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