Conjugación del verbo inglés
CAN SHADOWBOX

Verbo regular: shadowbox - shadowboxed - shadowboxed

Afirmación

Forma simple	Forma con V-ing
I can shadowbox you can shadowbox he can shadowbox we can shadowbox you can shadowbox they can shadowbox	I can be shadowboxing you can be shadowboxing he can be shadowboxing we can be shadowboxing you can be shadowboxing they can be shadowboxing
Perfecto	Perfecto con V-ing
I can have shadowboxed you can have shadowboxed he can have shadowboxed we can have shadowboxed you can have shadowboxed they can have shadowboxed	I can have been shadowboxing you can have been shadowboxing he can have been shadowboxing we can have been shadowboxing you can have been shadowboxing they can have been shadowboxing

Negación

Forma simple	Forma con V-ing
I can't shadowbox you can't shadowbox he can't shadowbox we can't shadowbox you can't shadowbox they can't shadowbox	I can't be shadowboxing you can't be shadowboxing he can't be shadowboxing we can't be shadowboxing you can't be shadowboxing they can't be shadowboxing
Perfecto	Perfecto con V-ing
I can't have shadowboxed you can't have shadowboxed he can't have shadowboxed we can't have shadowboxed you can't have shadowboxed they can't have shadowboxed	I can't have been shadowboxing you can't have been shadowboxing he can't have been shadowboxing we can't have been shadowboxing you can't have been shadowboxing they can't have been shadowboxing

Forma interrogativa

Forma simple	Forma con V-ing
can I shadowbox? can you shadowbox? can he shadowbox? can we shadowbox? can you shadowbox? can they shadowbox?	can I be shadowboxing? can you be shadowboxing? can he be shadowboxing? can we be shadowboxing? can you be shadowboxing? can they be shadowboxing?
Perfecto	Perfecto con V-ing
can I have shadowboxed? can you have shadowboxed? can he have shadowboxed? can we have shadowboxed? can you have shadowboxed? can they have shadowboxed?	can I have been shadowboxing? can you have been shadowboxing? can he have been shadowboxing? can we have been shadowboxing? can you have been shadowboxing? can they have been shadowboxing?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I shadowbox? can't you shadowbox? can't he shadowbox? can't we shadowbox? can't you shadowbox? can't they shadowbox?	can't I be shadowboxing? can't you be shadowboxing? can't he be shadowboxing? can't we be shadowboxing? can't you be shadowboxing? can't they be shadowboxing?
Perfecto	Perfecto con V-ing
can't I have shadowboxed? can't you have shadowboxed? can't he have shadowboxed? can't we have shadowboxed? can't you have shadowboxed? can't they have shadowboxed?	can't I have been shadowboxing? can't you have been shadowboxing? can't he have been shadowboxing? can't we have been shadowboxing? can't you have been shadowboxing? can't they have been shadowboxing?