could outbox
Verbo regular: outbox - outboxed- outboxed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could outbox
you could outbox
she could outbox
we could outbox
you could outbox
they could outbox 	I could be outboxing
you could be outboxing
she could be outboxing
we could be outboxing
you could be outboxing
they could be outboxing	I could have outboxed
you could have outboxed
she could have outboxed
we could have outboxed
you could have outboxed
they could have outboxed	I could have been outboxing
you could have been outboxing
she could have been outboxing
we could have been outboxing
you could have been outboxing
they could have been outboxing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not outbox
you could not outbox
she could not outbox
we could not outbox
you could not outbox
they could not outbox 	I could not be outboxing
you could not be outboxing
she could not be outboxing
we could not be outboxing
you could not be outboxing
they could not be outboxing	I could not have outboxed
you could not have outboxed
she could not have outboxed
we could not have outboxed
you could not have outboxed
they could not have outboxed	I could not have been outboxing
you could not have been outboxing
she could not have been outboxing
we could not have been outboxing
you could not have been outboxing
they could not have been outboxing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I outbox?
could you outbox?
could she outbox?
could we outbox?
could you outbox?
could they outbox? 	could I be outboxing?
could you be outboxing?
could she be outboxing?
could we be outboxing?
could you be outboxing?
could they be outboxing? 	could I have outboxed?
could you have outboxed?
could she have outboxed?
could we have outboxed?
could you have outboxed?
could they have outboxed? 	could I have been outboxing?
could you have been outboxing?
could she have been outboxing?
could we have been outboxing?
could you have been outboxing?
could they have been outboxing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not outbox?
could you not outbox?
could she not outbox?
could we not outbox?
could you not outbox?
could they not outbox? 	could I not be outboxing?
could you not be outboxing?
could she not be outboxing?
could we not be outboxing?
could you not be outboxing?
could they not be outboxing? 	could I not have outboxed?
could you not have outboxed?
could she not have outboxed?
could we not have outboxed?
could you not have outboxed?
could they not have outboxed? 	could I not have been outboxing?
could you not have been outboxing?
could she not have been outboxing?
could we not have been outboxing?
could you not have been outboxing?
could they not have been outboxing?