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