English verb conjugation
COULD COARSEN COARSEN

Regular verb: coarsen coarsen - coarsen coarsened - coarsen coarsened

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

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?