English verb conjugation
COULD HOARSEN

Regular verb: hoarsen - hoarsened - hoarsened

Affirmation

Simple form	V-ing form
I could hoarsen you could hoarsen he could hoarsen we could hoarsen you could hoarsen they could hoarsen	I could be hoarsening you could be hoarsening he could be hoarsening we could be hoarsening you could be hoarsening they could be hoarsening
Perfect	V-ing perfect
I could have hoarsened you could have hoarsened he could have hoarsened we could have hoarsened you could have hoarsened they could have hoarsened	I could have been hoarsening you could have been hoarsening he could have been hoarsening we could have been hoarsening you could have been hoarsening they could have been hoarsening

Negation

Simple form	V-ing form
I could not hoarsen you could not hoarsen he could not hoarsen we could not hoarsen you could not hoarsen they could not hoarsen	I could not be hoarsening you could not be hoarsening he could not be hoarsening we could not be hoarsening you could not be hoarsening they could not be hoarsening
Perfect	V-ing perfect
I could not have hoarsened you could not have hoarsened he could not have hoarsened we could not have hoarsened you could not have hoarsened they could not have hoarsened	I could not have been hoarsening you could not have been hoarsening he could not have been hoarsening we could not have been hoarsening you could not have been hoarsening they could not have been hoarsening

Interrogative form

Simple form	V-ing form
could I hoarsen? could you hoarsen? could he hoarsen? could we hoarsen? could you hoarsen? could they hoarsen?	could I be hoarsening? could you be hoarsening? could he be hoarsening? could we be hoarsening? could you be hoarsening? could they be hoarsening?
Perfect	V-ing perfect
could I have hoarsened? could you have hoarsened? could he have hoarsened? could we have hoarsened? could you have hoarsened? could they have hoarsened?	could I have been hoarsening? could you have been hoarsening? could he have been hoarsening? could we have been hoarsening? could you have been hoarsening? could they have been hoarsening?

Interro-negative form

Simple form	V-ing form
could I not hoarsen? could you not hoarsen? could he not hoarsen? could we not hoarsen? could you not hoarsen? could they not hoarsen?	could I not be hoarsening? could you not be hoarsening? could he not be hoarsening? could we not be hoarsening? could you not be hoarsening? could they not be hoarsening?
Perfect	V-ing perfect
could I not have hoarsened? could you not have hoarsened? could he not have hoarsened? could we not have hoarsened? could you not have hoarsened? could they not have hoarsened?	could I not have been hoarsening? could you not have been hoarsening? could he not have been hoarsening? could we not have been hoarsening? could you not have been hoarsening? could they not have been hoarsening?