I'd be shadowboxing you'd be shadowboxing he'd be shadowboxing we'd be shadowboxing you'd be shadowboxing they'd be shadowboxing
Perfect
I should've shadowboxed you should've shadowboxed he should've shadowboxed we should've shadowboxed you should've shadowboxed they should've shadowboxed
V-ing perfect
I should've been shadowboxing you should've been shadowboxing he should've been shadowboxing we should've been shadowboxing you should've been shadowboxing they should've been shadowboxing
Negation
Simple form
I shouldn't shadowbox you shouldn't shadowbox he shouldn't shadowbox we shouldn't shadowbox you shouldn't shadowbox they shouldn't shadowbox
V-ing form
I shouldn't be shadowboxing you shouldn't be shadowboxing he shouldn't be shadowboxing we shouldn't be shadowboxing you shouldn't be shadowboxing they shouldn't be shadowboxing
Perfect
I shouldn't have shadowboxed you shouldn't have shadowboxed he shouldn't have shadowboxed we shouldn't have shadowboxed you shouldn't have shadowboxed they shouldn't have shadowboxed
V-ing perfect
I shouldn't have been shadowboxing you shouldn't have been shadowboxing he shouldn't have been shadowboxing we shouldn't have been shadowboxing you shouldn't have been shadowboxing they shouldn't have been shadowboxing
Interrogative form
Simple form
should I shadowbox? should you shadowbox? should he shadowbox? should we shadowbox? should you shadowbox? should they shadowbox?
V-ing form
should I be shadowboxing? should you be shadowboxing? should he be shadowboxing? should we be shadowboxing? should you be shadowboxing? should they be shadowboxing?
Perfect
should I have shadowboxed? should you have shadowboxed? should he 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 he have been shadowboxing? should we have been shadowboxing? should you have been shadowboxing? should they have been shadowboxing?
Interro-negative form
Simple form
shouldn't I shadowbox? shouldn't you shadowbox? shouldn't he shadowbox? shouldn't we shadowbox? shouldn't you shadowbox? shouldn't they shadowbox?
V-ing form
shouldn't I be shadowboxing? shouldn't you be shadowboxing? shouldn't he be shadowboxing? shouldn't we be shadowboxing? shouldn't you be shadowboxing? shouldn't they be shadowboxing?
Perfect
shouldn't I have shadowboxed? shouldn't you have shadowboxed? shouldn't he have shadowboxed? shouldn't we have shadowboxed? shouldn't you have shadowboxed? shouldn't they have shadowboxed?
V-ing perfect
shouldn't I have been shadowboxing? shouldn't you have been shadowboxing? shouldn't he have been shadowboxing? shouldn't we have been shadowboxing? shouldn't you have been shadowboxing? shouldn't they have been shadowboxing?