I could hoarsen you could hoarsen she could hoarsen we could hoarsen you could hoarsen they could hoarsen
V-ing form
I could be hoarsening you could be hoarsening she could be hoarsening we could be hoarsening you could be hoarsening they could be hoarsening
Perfect
I could have hoarsened you could have hoarsened she could have hoarsened we could have hoarsened you could have hoarsened they could have hoarsened
V-ing perfect
I could have been hoarsening you could have been hoarsening she could have been hoarsening we could have been hoarsening you could have been hoarsening they could have been hoarsening
Negation
Simple form
I couldn't hoarsen you couldn't hoarsen she couldn't hoarsen we couldn't hoarsen you couldn't hoarsen they couldn't hoarsen
V-ing form
I couldn't be hoarsening you couldn't be hoarsening she couldn't be hoarsening we couldn't be hoarsening you couldn't be hoarsening they couldn't be hoarsening
Perfect
I couldn't have hoarsened you couldn't have hoarsened she couldn't have hoarsened we couldn't have hoarsened you couldn't have hoarsened they couldn't have hoarsened
V-ing perfect
I couldn't have been hoarsening you couldn't have been hoarsening she 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
could I hoarsen? could you hoarsen? could she hoarsen? could we hoarsen? could you hoarsen? could they hoarsen?
V-ing form
could I be hoarsening? could you be hoarsening? could she be hoarsening? could we be hoarsening? could you be hoarsening? could they be hoarsening?
Perfect
could I have hoarsened? could you have hoarsened? could she have hoarsened? could we have hoarsened? could you have hoarsened? could they have hoarsened?
V-ing perfect
could I have been hoarsening? could you have been hoarsening? could she have been hoarsening? could we have been hoarsening? could you have been hoarsening? could they have been hoarsening?
Interro-negative form
Simple form
couldn't I hoarsen? couldn't you hoarsen? couldn't she hoarsen? couldn't we hoarsen? couldn't you hoarsen? couldn't they hoarsen?
V-ing form
couldn't I be hoarsening? couldn't you be hoarsening? couldn't she be hoarsening? couldn't we be hoarsening? couldn't you be hoarsening? couldn't they be hoarsening?
Perfect
couldn't I have hoarsened? couldn't you have hoarsened? couldn't she have hoarsened? couldn't we have hoarsened? couldn't you have hoarsened? couldn't they have hoarsened?
V-ing perfect
couldn't I have been hoarsening? couldn't you have been hoarsening? couldn't she have been hoarsening? couldn't we have been hoarsening? couldn't you have been hoarsening? couldn't they have been hoarsening?