could coarsen
Verbe régulier : coarsen - coarsened- coarsened
Traduction française : devenir rude ou grossier - rendre rude ou grossier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could coarsen
you could coarsen
she could coarsen
we could coarsen
you could coarsen
they could coarsen 	I could be coarsening
you could be coarsening
she could be coarsening
we could be coarsening
you could be coarsening
they could be coarsening	I could have coarsened
you could have coarsened
she could have coarsened
we could have coarsened
you could have coarsened
they could have coarsened	I could have been coarsening
you could have been coarsening
she could have been coarsening
we could have been coarsening
you could have been coarsening
they could have been coarsening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not coarsen
you could not coarsen
she could not coarsen
we could not coarsen
you could not coarsen
they could not coarsen 	I could not be coarsening
you could not be coarsening
she could not be coarsening
we could not be coarsening
you could not be coarsening
they could not be coarsening	I could not have coarsened
you could not have coarsened
she could not have coarsened
we could not have coarsened
you could not have coarsened
they could not have coarsened	I could not have been coarsening
you could not have been coarsening
she could not have been coarsening
we could not have been coarsening
you could not have been coarsening
they could not have been coarsening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I coarsen?
could you coarsen?
could she coarsen?
could we coarsen?
could you coarsen?
could they coarsen? 	could I be coarsening?
could you be coarsening?
could she be coarsening?
could we be coarsening?
could you be coarsening?
could they be coarsening? 	could I have coarsened?
could you have coarsened?
could she have coarsened?
could we have coarsened?
could you have coarsened?
could they have coarsened? 	could I have been coarsening?
could you have been coarsening?
could she have been coarsening?
could we have been coarsening?
could you have been coarsening?
could they have been coarsening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not coarsen?
could you not coarsen?
could she not coarsen?
could we not coarsen?
could you not coarsen?
could they not coarsen? 	could I not be coarsening?
could you not be coarsening?
could she not be coarsening?
could we not be coarsening?
could you not be coarsening?
could they not be coarsening? 	could I not have coarsened?
could you not have coarsened?
could she not have coarsened?
could we not have coarsened?
could you not have coarsened?
could they not have coarsened? 	could I not have been coarsening?
could you not have been coarsening?
could she not have been coarsening?
could we not have been coarsening?
could you not have been coarsening?
could they not have been coarsening?