I should underperform you should underperform she should underperform we should underperform you should underperform they should underperform
V-ing form
I should be underperforming you should be underperforming she should be underperforming we should be underperforming you should be underperforming they should be underperforming
Perfect
I should have underperformed you should have underperformed she should have underperformed we should have underperformed you should have underperformed they should have underperformed
V-ing perfect
I should have been underperforming you should have been underperforming she should have been underperforming we should have been underperforming you should have been underperforming they should have been underperforming
Negation
Simple form
I should not underperform you should not underperform she should not underperform we should not underperform you should not underperform they should not underperform
V-ing form
I should not be underperforming you should not be underperforming she should not be underperforming we should not be underperforming you should not be underperforming they should not be underperforming
Perfect
I should not have underperformed you should not have underperformed she should not have underperformed we should not have underperformed you should not have underperformed they should not have underperformed
V-ing perfect
I should not have been underperforming you should not have been underperforming she should not have been underperforming we should not have been underperforming you should not have been underperforming they should not have been underperforming
Interrogative form
Simple form
should I underperform? should you underperform? should she underperform? should we underperform? should you underperform? should they underperform?
V-ing form
should I be underperforming? should you be underperforming? should she be underperforming? should we be underperforming? should you be underperforming? should they be underperforming?
Perfect
should I have underperformed? should you have underperformed? should she have underperformed? should we have underperformed? should you have underperformed? should they have underperformed?
V-ing perfect
should I have been underperforming? should you have been underperforming? should she have been underperforming? should we have been underperforming? should you have been underperforming? should they have been underperforming?
Interro-negative form
Simple form
should I not underperform? should you not underperform? should she not underperform? should we not underperform? should you not underperform? should they not underperform?
V-ing form
should I not be underperforming? should you not be underperforming? should she not be underperforming? should we not be underperforming? should you not be underperforming? should they not be underperforming?
Perfect
should I not have underperformed? should you not have underperformed? should she not have underperformed? should we not have underperformed? should you not have underperformed? should they not have underperformed?
V-ing perfect
should I not have been underperforming? should you not have been underperforming? should she not have been underperforming? should we not have been underperforming? should you not have been underperforming? should they not have been underperforming?