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