could unshell
Verbe régulier : unshell - unshelled- unshelled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could unshell
you could unshell
she could unshell
we could unshell
you could unshell
they could unshell 	I could be unshelling
you could be unshelling
she could be unshelling
we could be unshelling
you could be unshelling
they could be unshelling	I could have unshelled
you could have unshelled
she could have unshelled
we could have unshelled
you could have unshelled
they could have unshelled	I could have been unshelling
you could have been unshelling
she could have been unshelling
we could have been unshelling
you could have been unshelling
they could have been unshelling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not unshell
you could not unshell
she could not unshell
we could not unshell
you could not unshell
they could not unshell 	I could not be unshelling
you could not be unshelling
she could not be unshelling
we could not be unshelling
you could not be unshelling
they could not be unshelling	I could not have unshelled
you could not have unshelled
she could not have unshelled
we could not have unshelled
you could not have unshelled
they could not have unshelled	I could not have been unshelling
you could not have been unshelling
she could not have been unshelling
we could not have been unshelling
you could not have been unshelling
they could not have been unshelling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I unshell?
could you unshell?
could she unshell?
could we unshell?
could you unshell?
could they unshell? 	could I be unshelling?
could you be unshelling?
could she be unshelling?
could we be unshelling?
could you be unshelling?
could they be unshelling? 	could I have unshelled?
could you have unshelled?
could she have unshelled?
could we have unshelled?
could you have unshelled?
could they have unshelled? 	could I have been unshelling?
could you have been unshelling?
could she have been unshelling?
could we have been unshelling?
could you have been unshelling?
could they have been unshelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not unshell?
could you not unshell?
could she not unshell?
could we not unshell?
could you not unshell?
could they not unshell? 	could I not be unshelling?
could you not be unshelling?
could she not be unshelling?
could we not be unshelling?
could you not be unshelling?
could they not be unshelling? 	could I not have unshelled?
could you not have unshelled?
could she not have unshelled?
could we not have unshelled?
could you not have unshelled?
could they not have unshelled? 	could I not have been unshelling?
could you not have been unshelling?
could she not have been unshelling?
could we not have been unshelling?
could you not have been unshelling?
could they not have been unshelling?