could unbox
Verbe régulier : unbox - unboxed- unboxed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could unbox
you could unbox
she could unbox
we could unbox
you could unbox
they could unbox 	I could be unboxing
you could be unboxing
she could be unboxing
we could be unboxing
you could be unboxing
they could be unboxing	I could have unboxed
you could have unboxed
she could have unboxed
we could have unboxed
you could have unboxed
they could have unboxed	I could have been unboxing
you could have been unboxing
she could have been unboxing
we could have been unboxing
you could have been unboxing
they could have been unboxing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not unbox
you could not unbox
she could not unbox
we could not unbox
you could not unbox
they could not unbox 	I could not be unboxing
you could not be unboxing
she could not be unboxing
we could not be unboxing
you could not be unboxing
they could not be unboxing	I could not have unboxed
you could not have unboxed
she could not have unboxed
we could not have unboxed
you could not have unboxed
they could not have unboxed	I could not have been unboxing
you could not have been unboxing
she could not have been unboxing
we could not have been unboxing
you could not have been unboxing
they could not have been unboxing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I unbox?
could you unbox?
could she unbox?
could we unbox?
could you unbox?
could they unbox? 	could I be unboxing?
could you be unboxing?
could she be unboxing?
could we be unboxing?
could you be unboxing?
could they be unboxing? 	could I have unboxed?
could you have unboxed?
could she have unboxed?
could we have unboxed?
could you have unboxed?
could they have unboxed? 	could I have been unboxing?
could you have been unboxing?
could she have been unboxing?
could we have been unboxing?
could you have been unboxing?
could they have been unboxing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not unbox?
could you not unbox?
could she not unbox?
could we not unbox?
could you not unbox?
could they not unbox? 	could I not be unboxing?
could you not be unboxing?
could she not be unboxing?
could we not be unboxing?
could you not be unboxing?
could they not be unboxing? 	could I not have unboxed?
could you not have unboxed?
could she not have unboxed?
could we not have unboxed?
could you not have unboxed?
could they not have unboxed? 	could I not have been unboxing?
could you not have been unboxing?
could she not have been unboxing?
could we not have been unboxing?
could you not have been unboxing?
could they not have been unboxing?