I could hearten you could hearten he could hearten we could hearten you could hearten they could hearten
V-ing form
I could be heartening you could be heartening he could be heartening we could be heartening you could be heartening they could be heartening
Perfect
I could have heartened you could have heartened he could have heartened we could have heartened you could have heartened they could have heartened
V-ing perfect
I could have been heartening you could have been heartening he could have been heartening we could have been heartening you could have been heartening they could have been heartening
Negation
Simple form
I couldn't hearten you couldn't hearten he couldn't hearten we couldn't hearten you couldn't hearten they couldn't hearten
V-ing form
I couldn't be heartening you couldn't be heartening he couldn't be heartening we couldn't be heartening you couldn't be heartening they couldn't be heartening
Perfect
I couldn't have heartened you couldn't have heartened he couldn't have heartened we couldn't have heartened you couldn't have heartened they couldn't have heartened
V-ing perfect
I couldn't have been heartening you couldn't have been heartening he couldn't have been heartening we couldn't have been heartening you couldn't have been heartening they couldn't have been heartening
Interrogative form
Simple form
could I hearten? could you hearten? could he hearten? could we hearten? could you hearten? could they hearten?
V-ing form
could I be heartening? could you be heartening? could he be heartening? could we be heartening? could you be heartening? could they be heartening?
Perfect
could I have heartened? could you have heartened? could he have heartened? could we have heartened? could you have heartened? could they have heartened?
V-ing perfect
could I have been heartening? could you have been heartening? could he have been heartening? could we have been heartening? could you have been heartening? could they have been heartening?
Interro-negative form
Simple form
couldn't I hearten? couldn't you hearten? couldn't he hearten? couldn't we hearten? couldn't you hearten? couldn't they hearten?
V-ing form
couldn't I be heartening? couldn't you be heartening? couldn't he be heartening? couldn't we be heartening? couldn't you be heartening? couldn't they be heartening?
Perfect
couldn't I have heartened? couldn't you have heartened? couldn't he have heartened? couldn't we have heartened? couldn't you have heartened? couldn't they have heartened?
V-ing perfect
couldn't I have been heartening? couldn't you have been heartening? couldn't he have been heartening? couldn't we have been heartening? couldn't you have been heartening? couldn't they have been heartening?