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 couldn't unshell
you couldn't unshell
she couldn't unshell
we couldn't unshell
you couldn't unshell
they couldn't unshell 	I couldn't be unshelling
you couldn't be unshelling
she couldn't be unshelling
we couldn't be unshelling
you couldn't be unshelling
they couldn't be unshelling	I couldn't have unshelled
you couldn't have unshelled
she couldn't have unshelled
we couldn't have unshelled
you couldn't have unshelled
they couldn't have unshelled	I couldn't have been unshelling
you couldn't have been unshelling
she couldn't have been unshelling
we couldn't have been unshelling
you couldn't have been unshelling
they couldn't 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 	
couldn't I unshell?
couldn't you unshell?
couldn't she unshell?
couldn't we unshell?
couldn't you unshell?
couldn't they unshell? 	couldn't I be unshelling?
couldn't you be unshelling?
couldn't she be unshelling?
couldn't we be unshelling?
couldn't you be unshelling?
couldn't they be unshelling? 	couldn't I have unshelled?
couldn't you have unshelled?
couldn't she have unshelled?
couldn't we have unshelled?
couldn't you have unshelled?
couldn't they have unshelled? 	couldn't I have been unshelling?
couldn't you have been unshelling?
couldn't she have been unshelling?
couldn't we have been unshelling?
couldn't you have been unshelling?
couldn't they have been unshelling?