Verbo regular: shadowbox - shadowboxed - shadowboxed
Afirmación
Forma simple
I could shadowbox you could shadowbox he could shadowbox we could shadowbox you could shadowbox they could shadowbox
Forma con V-ing
I could be shadowboxing you could be shadowboxing he could be shadowboxing we could be shadowboxing you could be shadowboxing they could be shadowboxing
Perfecto
I could have shadowboxed you could have shadowboxed he could have shadowboxed we could have shadowboxed you could have shadowboxed they could have shadowboxed
Perfecto con V-ing
I could have been shadowboxing you could have been shadowboxing he could have been shadowboxing we could have been shadowboxing you could have been shadowboxing they could have been shadowboxing
Negación
Forma simple
I could not shadowbox you could not shadowbox he could not shadowbox we could not shadowbox you could not shadowbox they could not shadowbox
Forma con V-ing
I could not be shadowboxing you could not be shadowboxing he could not be shadowboxing we could not be shadowboxing you could not be shadowboxing they could not be shadowboxing
Perfecto
I could not have shadowboxed you could not have shadowboxed he could not have shadowboxed we could not have shadowboxed you could not have shadowboxed they could not have shadowboxed
Perfecto con V-ing
I could not have been shadowboxing you could not have been shadowboxing he could not have been shadowboxing we could not have been shadowboxing you could not have been shadowboxing they could not have been shadowboxing
Forma interrogativa
Forma simple
could I shadowbox? could you shadowbox? could he shadowbox? could we shadowbox? could you shadowbox? could they shadowbox?
Forma con V-ing
could I be shadowboxing? could you be shadowboxing? could he be shadowboxing? could we be shadowboxing? could you be shadowboxing? could they be shadowboxing?
Perfecto
could I have shadowboxed? could you have shadowboxed? could he have shadowboxed? could we have shadowboxed? could you have shadowboxed? could they have shadowboxed?
Perfecto con V-ing
could I have been shadowboxing? could you have been shadowboxing? could he have been shadowboxing? could we have been shadowboxing? could you have been shadowboxing? could they have been shadowboxing?
Forma interro-negativa
Forma simple
could I not shadowbox? could you not shadowbox? could he not shadowbox? could we not shadowbox? could you not shadowbox? could they not shadowbox?
Forma con V-ing
could I not be shadowboxing? could you not be shadowboxing? could he not be shadowboxing? could we not be shadowboxing? could you not be shadowboxing? could they not be shadowboxing?
Perfecto
could I not have shadowboxed? could you not have shadowboxed? could he not have shadowboxed? could we not have shadowboxed? could you not have shadowboxed? could they not have shadowboxed?
Perfecto con V-ing
could I not have been shadowboxing? could you not have been shadowboxing? could he not have been shadowboxing? could we not have been shadowboxing? could you not have been shadowboxing? could they not have been shadowboxing?