could ravel
Verbe régulier : ravel - ravelled- ravelled
Traduction française : emmêler - s'emmêler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could ravel
you could ravel
he could ravel
we could ravel
you could ravel
they could ravel 	I could be ravelling
you could be ravelling
he could be ravelling
we could be ravelling
you could be ravelling
they could be ravelling	I could have ravelled
you could have ravelled
he could have ravelled
we could have ravelled
you could have ravelled
they could have ravelled	I could have been ravelling
you could have been ravelling
he could have been ravelling
we could have been ravelling
you could have been ravelling
they could have been ravelling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not ravel
you could not ravel
he could not ravel
we could not ravel
you could not ravel
they could not ravel 	I could not be ravelling
you could not be ravelling
he could not be ravelling
we could not be ravelling
you could not be ravelling
they could not be ravelling	I could not have ravelled
you could not have ravelled
he could not have ravelled
we could not have ravelled
you could not have ravelled
they could not have ravelled	I could not have been ravelling
you could not have been ravelling
he could not have been ravelling
we could not have been ravelling
you could not have been ravelling
they could not have been ravelling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ravel?
could you ravel?
could he ravel?
could we ravel?
could you ravel?
could they ravel? 	could I be ravelling?
could you be ravelling?
could he be ravelling?
could we be ravelling?
could you be ravelling?
could they be ravelling? 	could I have ravelled?
could you have ravelled?
could he have ravelled?
could we have ravelled?
could you have ravelled?
could they have ravelled? 	could I have been ravelling?
could you have been ravelling?
could he have been ravelling?
could we have been ravelling?
could you have been ravelling?
could they have been ravelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not ravel?
could you not ravel?
could he not ravel?
could we not ravel?
could you not ravel?
could they not ravel? 	could I not be ravelling?
could you not be ravelling?
could he not be ravelling?
could we not be ravelling?
could you not be ravelling?
could they not be ravelling? 	could I not have ravelled?
could you not have ravelled?
could he not have ravelled?
could we not have ravelled?
could you not have ravelled?
could they not have ravelled? 	could I not have been ravelling?
could you not have been ravelling?
could he not have been ravelling?
could we not have been ravelling?
could you not have been ravelling?
could they not have been ravelling?