I should kitten you should kitten he should kitten we should kitten you should kitten they should kitten
V-ing form
I should be kittening you should be kittening he should be kittening we should be kittening you should be kittening they should be kittening
Perfect
I should have kittened you should have kittened he should have kittened we should have kittened you should have kittened they should have kittened
V-ing perfect
I should have been kittening you should have been kittening he should have been kittening we should have been kittening you should have been kittening they should have been kittening
Negation
Simple form
I should not kitten you should not kitten he should not kitten we should not kitten you should not kitten they should not kitten
V-ing form
I should not be kittening you should not be kittening he should not be kittening we should not be kittening you should not be kittening they should not be kittening
Perfect
I should not have kittened you should not have kittened he should not have kittened we should not have kittened you should not have kittened they should not have kittened
V-ing perfect
I should not have been kittening you should not have been kittening he should not have been kittening we should not have been kittening you should not have been kittening they should not 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
should I not kitten? should you not kitten? should he not kitten? should we not kitten? should you not kitten? should they not kitten?
V-ing form
should I not be kittening? should you not be kittening? should he not be kittening? should we not be kittening? should you not be kittening? should they not be kittening?
Perfect
should I not have kittened? should you not have kittened? should he not have kittened? should we not have kittened? should you not have kittened? should they not have kittened?
V-ing perfect
should I not have been kittening? should you not have been kittening? should he not have been kittening? should we not have been kittening? should you not have been kittening? should they not have been kittening?