can shadowbox
Verbo regular: shadowbox - shadowboxed- shadowboxed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can shadowbox
you can shadowbox
she can shadowbox
we can shadowbox
you can shadowbox
they can shadowbox 	I can be shadowboxing
you can be shadowboxing
she can be shadowboxing
we can be shadowboxing
you can be shadowboxing
they can be shadowboxing	I can have shadowboxed
you can have shadowboxed
she 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
she can have been shadowboxing
we can have been shadowboxing
you can have been shadowboxing
they can have been shadowboxing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot shadowbox
you cannot shadowbox
she cannot shadowbox
we cannot shadowbox
you cannot shadowbox
they cannot shadowbox 	I cannot be shadowboxing
you cannot be shadowboxing
she cannot be shadowboxing
we cannot be shadowboxing
you cannot be shadowboxing
they cannot be shadowboxing	I cannot have shadowboxed
you cannot have shadowboxed
she cannot have shadowboxed
we cannot have shadowboxed
you cannot have shadowboxed
they cannot have shadowboxed	I cannot have been shadowboxing
you cannot have been shadowboxing
she cannot have been shadowboxing
we cannot have been shadowboxing
you cannot have been shadowboxing
they cannot have been shadowboxing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I shadowbox?
can you shadowbox?
can she shadowbox?
can we shadowbox?
can you shadowbox?
can they shadowbox? 	can I be shadowboxing?
can you be shadowboxing?
can she be shadowboxing?
can we be shadowboxing?
can you be shadowboxing?
can they be shadowboxing? 	can I have shadowboxed?
can you have shadowboxed?
can she 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 she have been shadowboxing?
can we have been shadowboxing?
can you have been shadowboxing?
can they have been shadowboxing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not shadowbox?
can you not shadowbox?
can she not shadowbox?
can we not shadowbox?
can you not shadowbox?
can they not shadowbox? 	can I not be shadowboxing?
can you not be shadowboxing?
can she not be shadowboxing?
can we not be shadowboxing?
can you not be shadowboxing?
can they not be shadowboxing? 	can I not have shadowboxed?
can you not have shadowboxed?
can she not have shadowboxed?
can we not have shadowboxed?
can you not have shadowboxed?
can they not have shadowboxed? 	can I not have been shadowboxing?
can you not have been shadowboxing?
can she not have been shadowboxing?
can we not have been shadowboxing?
can you not have been shadowboxing?
can they not have been shadowboxing?