could coarsen coarsen
Regular verb: coarsen coarsen - coarsen coarsened- coarsen coarsened

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could coarsen coarsen
you could coarsen coarsen
he could coarsen coarsen
we could coarsen coarsen
you could coarsen coarsen
they could coarsen coarsen 	I could be coarsen coarsening
you could be coarsen coarsening
he could be coarsen coarsening
we could be coarsen coarsening
you could be coarsen coarsening
they could be coarsen coarsening	I could have coarsen coarsened
you could have coarsen coarsened
he could have coarsen coarsened
we could have coarsen coarsened
you could have coarsen coarsened
they could have coarsen coarsened	I could have been coarsen coarsening
you could have been coarsen coarsening
he could have been coarsen coarsening
we could have been coarsen coarsening
you could have been coarsen coarsening
they could have been coarsen coarsening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't coarsen coarsen
you couldn't coarsen coarsen
he couldn't coarsen coarsen
we couldn't coarsen coarsen
you couldn't coarsen coarsen
they couldn't coarsen coarsen 	I couldn't be coarsen coarsening
you couldn't be coarsen coarsening
he couldn't be coarsen coarsening
we couldn't be coarsen coarsening
you couldn't be coarsen coarsening
they couldn't be coarsen coarsening	I couldn't have coarsen coarsened
you couldn't have coarsen coarsened
he couldn't have coarsen coarsened
we couldn't have coarsen coarsened
you couldn't have coarsen coarsened
they couldn't have coarsen coarsened	I couldn't have been coarsen coarsening
you couldn't have been coarsen coarsening
he couldn't have been coarsen coarsening
we couldn't have been coarsen coarsening
you couldn't have been coarsen coarsening
they couldn't have been coarsen coarsening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I coarsen coarsen?
could you coarsen coarsen?
could he coarsen coarsen?
could we coarsen coarsen?
could you coarsen coarsen?
could they coarsen coarsen? 	could I be coarsen coarsening?
could you be coarsen coarsening?
could he be coarsen coarsening?
could we be coarsen coarsening?
could you be coarsen coarsening?
could they be coarsen coarsening? 	could I have coarsen coarsened?
could you have coarsen coarsened?
could he have coarsen coarsened?
could we have coarsen coarsened?
could you have coarsen coarsened?
could they have coarsen coarsened? 	could I have been coarsen coarsening?
could you have been coarsen coarsening?
could he have been coarsen coarsening?
could we have been coarsen coarsening?
could you have been coarsen coarsening?
could they have been coarsen coarsening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I coarsen coarsen?
couldn't you coarsen coarsen?
couldn't he coarsen coarsen?
couldn't we coarsen coarsen?
couldn't you coarsen coarsen?
couldn't they coarsen coarsen? 	couldn't I be coarsen coarsening?
couldn't you be coarsen coarsening?
couldn't he be coarsen coarsening?
couldn't we be coarsen coarsening?
couldn't you be coarsen coarsening?
couldn't they be coarsen coarsening? 	couldn't I have coarsen coarsened?
couldn't you have coarsen coarsened?
couldn't he have coarsen coarsened?
couldn't we have coarsen coarsened?
couldn't you have coarsen coarsened?
couldn't they have coarsen coarsened? 	couldn't I have been coarsen coarsening?
couldn't you have been coarsen coarsening?
couldn't he have been coarsen coarsening?
couldn't we have been coarsen coarsening?
couldn't you have been coarsen coarsening?
couldn't they have been coarsen coarsening?