could libel
Verbe régulier : libel - libelled- libelled
Traduction française : diffamer - calomnier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could libel
you could libel
he could libel
we could libel
you could libel
they could libel 	I could be libelling
you could be libelling
he could be libelling
we could be libelling
you could be libelling
they could be libelling	I could have libelled
you could have libelled
he could have libelled
we could have libelled
you could have libelled
they could have libelled	I could have been libelling
you could have been libelling
he could have been libelling
we could have been libelling
you could have been libelling
they could have been libelling	

Négation 	
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I could not libel
you could not libel
he could not libel
we could not libel
you could not libel
they could not libel 	I could not be libelling
you could not be libelling
he could not be libelling
we could not be libelling
you could not be libelling
they could not be libelling	I could not have libelled
you could not have libelled
he could not have libelled
we could not have libelled
you could not have libelled
they could not have libelled	I could not have been libelling
you could not have been libelling
he could not have been libelling
we could not have been libelling
you could not have been libelling
they could not have been libelling	

Forme interrogative 	
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could I libel?
could you libel?
could he libel?
could we libel?
could you libel?
could they libel? 	could I be libelling?
could you be libelling?
could he be libelling?
could we be libelling?
could you be libelling?
could they be libelling? 	could I have libelled?
could you have libelled?
could he have libelled?
could we have libelled?
could you have libelled?
could they have libelled? 	could I have been libelling?
could you have been libelling?
could he have been libelling?
could we have been libelling?
could you have been libelling?
could they have been libelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not libel?
could you not libel?
could he not libel?
could we not libel?
could you not libel?
could they not libel? 	could I not be libelling?
could you not be libelling?
could he not be libelling?
could we not be libelling?
could you not be libelling?
could they not be libelling? 	could I not have libelled?
could you not have libelled?
could he not have libelled?
could we not have libelled?
could you not have libelled?
could they not have libelled? 	could I not have been libelling?
could you not have been libelling?
could he not have been libelling?
could we not have been libelling?
could you not have been libelling?
could they not have been libelling?