I should keep you should keep he should keep we should keep you should keep they should keep
V-ing form
I should be keeping you should be keeping he should be keeping we should be keeping you should be keeping they should be keeping
Perfect
I should have kept you should have kept he should have kept we should have kept you should have kept they should have kept
V-ing perfect
I should have been keeping you should have been keeping he should have been keeping we should have been keeping you should have been keeping they should have been keeping
Negation
Simple form
I should not keep you should not keep he should not keep we should not keep you should not keep they should not keep
V-ing form
I should not be keeping you should not be keeping he should not be keeping we should not be keeping you should not be keeping they should not be keeping
Perfect
I should not have kept you should not have kept he should not have kept we should not have kept you should not have kept they should not have kept
V-ing perfect
I should not have been keeping you should not have been keeping he should not have been keeping we should not have been keeping you should not have been keeping they should not have been keeping
Interrogative form
Simple form
should I keep? should you keep? should he keep? should we keep? should you keep? should they keep?
V-ing form
should I be keeping? should you be keeping? should he be keeping? should we be keeping? should you be keeping? should they be keeping?
Perfect
should I have kept? should you have kept? should he have kept? should we have kept? should you have kept? should they have kept?
V-ing perfect
should I have been keeping? should you have been keeping? should he have been keeping? should we have been keeping? should you have been keeping? should they have been keeping?
Interro-negative form
Simple form
should I not keep? should you not keep? should he not keep? should we not keep? should you not keep? should they not keep?
V-ing form
should I not be keeping? should you not be keeping? should he not be keeping? should we not be keeping? should you not be keeping? should they not be keeping?
Perfect
should I not have kept? should you not have kept? should he not have kept? should we not have kept? should you not have kept? should they not have kept?
V-ing perfect
should I not have been keeping? should you not have been keeping? should he not have been keeping? should we not have been keeping? should you not have been keeping? should they not have been keeping?