I can hearten you can hearten she can hearten we can hearten you can hearten they can hearten
V-ing form
I can be heartening you can be heartening she can be heartening we can be heartening you can be heartening they can be heartening
Perfect
I can have heartened you can have heartened she can have heartened we can have heartened you can have heartened they can have heartened
V-ing perfect
I can have been heartening you can have been heartening she can have been heartening we can have been heartening you can have been heartening they can have been heartening
Negation
Simple form
I cannot hearten you cannot hearten she cannot hearten we cannot hearten you cannot hearten they cannot hearten
V-ing form
I cannot be heartening you cannot be heartening she cannot be heartening we cannot be heartening you cannot be heartening they cannot be heartening
Perfect
I cannot have heartened you cannot have heartened she cannot have heartened we cannot have heartened you cannot have heartened they cannot have heartened
V-ing perfect
I cannot have been heartening you cannot have been heartening she cannot have been heartening we cannot have been heartening you cannot have been heartening they cannot have been heartening
Interrogative form
Simple form
can I hearten? can you hearten? can she hearten? can we hearten? can you hearten? can they hearten?
V-ing form
can I be heartening? can you be heartening? can she be heartening? can we be heartening? can you be heartening? can they be heartening?
Perfect
can I have heartened? can you have heartened? can she have heartened? can we have heartened? can you have heartened? can they have heartened?
V-ing perfect
can I have been heartening? can you have been heartening? can she have been heartening? can we have been heartening? can you have been heartening? can they have been heartening?
Interro-negative form
Simple form
can I not hearten? can you not hearten? can she not hearten? can we not hearten? can you not hearten? can they not hearten?
V-ing form
can I not be heartening? can you not be heartening? can she not be heartening? can we not be heartening? can you not be heartening? can they not be heartening?
Perfect
can I not have heartened? can you not have heartened? can she not have heartened? can we not have heartened? can you not have heartened? can they not have heartened?
V-ing perfect
can I not have been heartening? can you not have been heartening? can she not have been heartening? can we not have been heartening? can you not have been heartening? can they not have been heartening?