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