I should show you should show she should show we should show you should show they should show
V-ing form
I should be showing you should be showing she should be showing we should be showing you should be showing they should be showing
Perfect
I should have shown you should have shown she should have shown we should have shown you should have shown they should have shown
V-ing perfect
I should have been showing you should have been showing she should have been showing we should have been showing you should have been showing they should have been showing
Negation
Simple form
I should not show you should not show she should not show we should not show you should not show they should not show
V-ing form
I should not be showing you should not be showing she should not be showing we should not be showing you should not be showing they should not be showing
Perfect
I should not have shown you should not have shown she should not have shown we should not have shown you should not have shown they should not have shown
V-ing perfect
I should not have been showing you should not have been showing she should not have been showing we should not have been showing you should not have been showing they should not have been showing
Interrogative form
Simple form
should I show? should you show? should she show? should we show? should you show? should they show?
V-ing form
should I be showing? should you be showing? should she be showing? should we be showing? should you be showing? should they be showing?
Perfect
should I have shown? should you have shown? should she have shown? should we have shown? should you have shown? should they have shown?
V-ing perfect
should I have been showing? should you have been showing? should she have been showing? should we have been showing? should you have been showing? should they have been showing?
Interro-negative form
Simple form
should I not show? should you not show? should she not show? should we not show? should you not show? should they not show?
V-ing form
should I not be showing? should you not be showing? should she not be showing? should we not be showing? should you not be showing? should they not be showing?
Perfect
should I not have shown? should you not have shown? should she not have shown? should we not have shown? should you not have shown? should they not have shown?
V-ing perfect
should I not have been showing? should you not have been showing? should she not have been showing? should we not have been showing? should you not have been showing? should they not have been showing?