I should shadowbox you should shadowbox she should shadowbox we should shadowbox you should shadowbox they should shadowbox
V-ing form
I should be shadowboxing you should be shadowboxing she should be shadowboxing we should be shadowboxing you should be shadowboxing they should be shadowboxing
Perfect
I should have shadowboxed you should have shadowboxed she should have shadowboxed we should have shadowboxed you should have shadowboxed they should have shadowboxed
V-ing perfect
I should have been shadowboxing you should have been shadowboxing she should have been shadowboxing we should have been shadowboxing you should have been shadowboxing they should have been shadowboxing
Negation
Simple form
I should not shadowbox you should not shadowbox she should not shadowbox we should not shadowbox you should not shadowbox they should not shadowbox
V-ing form
I should not be shadowboxing you should not be shadowboxing she should not be shadowboxing we should not be shadowboxing you should not be shadowboxing they should not be shadowboxing
Perfect
I should not have shadowboxed you should not have shadowboxed she should not have shadowboxed we should not have shadowboxed you should not have shadowboxed they should not have shadowboxed
V-ing perfect
I should not have been shadowboxing you should not have been shadowboxing she should not have been shadowboxing we should not have been shadowboxing you should not have been shadowboxing they should not have been shadowboxing
Interrogative form
Simple form
should I shadowbox? should you shadowbox? should she shadowbox? should we shadowbox? should you shadowbox? should they shadowbox?
V-ing form
should I be shadowboxing? should you be shadowboxing? should she be shadowboxing? should we be shadowboxing? should you be shadowboxing? should they be shadowboxing?
Perfect
should I have shadowboxed? should you have shadowboxed? should she have shadowboxed? should we have shadowboxed? should you have shadowboxed? should they have shadowboxed?
V-ing perfect
should I have been shadowboxing? should you have been shadowboxing? should she have been shadowboxing? should we have been shadowboxing? should you have been shadowboxing? should they have been shadowboxing?
Interro-negative form
Simple form
should I not shadowbox? should you not shadowbox? should she not shadowbox? should we not shadowbox? should you not shadowbox? should they not shadowbox?
V-ing form
should I not be shadowboxing? should you not be shadowboxing? should she not be shadowboxing? should we not be shadowboxing? should you not be shadowboxing? should they not be shadowboxing?
Perfect
should I not have shadowboxed? should you not have shadowboxed? should she not have shadowboxed? should we not have shadowboxed? should you not have shadowboxed? should they not have shadowboxed?
V-ing perfect
should I not have been shadowboxing? should you not have been shadowboxing? should she not have been shadowboxing? should we not have been shadowboxing? should you not have been shadowboxing? should they not have been shadowboxing?