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 couldn't hoarsen you couldn't hoarsen he couldn't hoarsen we couldn't hoarsen you couldn't hoarsen they couldn't hoarsen	I couldn't be hoarsening you couldn't be hoarsening he couldn't be hoarsening we couldn't be hoarsening you couldn't be hoarsening they couldn't be hoarsening
Perfect	V-ing perfect
I couldn't have hoarsened you couldn't have hoarsened he couldn't have hoarsened we couldn't have hoarsened you couldn't have hoarsened they couldn't have hoarsened	I couldn't have been hoarsening you couldn't have been hoarsening he couldn't have been hoarsening we couldn't have been hoarsening you couldn't have been hoarsening they couldn't 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
couldn't I hoarsen? couldn't you hoarsen? couldn't he hoarsen? couldn't we hoarsen? couldn't you hoarsen? couldn't they hoarsen?	couldn't I be hoarsening? couldn't you be hoarsening? couldn't he be hoarsening? couldn't we be hoarsening? couldn't you be hoarsening? couldn't they be hoarsening?
Perfect	V-ing perfect
couldn't I have hoarsened? couldn't you have hoarsened? couldn't he have hoarsened? couldn't we have hoarsened? couldn't you have hoarsened? couldn't they have hoarsened?	couldn't I have been hoarsening? couldn't you have been hoarsening? couldn't he have been hoarsening? couldn't we have been hoarsening? couldn't you have been hoarsening? couldn't they have been hoarsening?