could dishearten
Regular verb: dishearten - disheartened- disheartened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dishearten
you could dishearten
he could dishearten
we could dishearten
you could dishearten
they could dishearten 	I could be disheartening
you could be disheartening
he could be disheartening
we could be disheartening
you could be disheartening
they could be disheartening	I could have disheartened
you could have disheartened
he could have disheartened
we could have disheartened
you could have disheartened
they could have disheartened	I could have been disheartening
you could have been disheartening
he could have been disheartening
we could have been disheartening
you could have been disheartening
they could have been disheartening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dishearten
you couldn't dishearten
he couldn't dishearten
we couldn't dishearten
you couldn't dishearten
they couldn't dishearten 	I couldn't be disheartening
you couldn't be disheartening
he couldn't be disheartening
we couldn't be disheartening
you couldn't be disheartening
they couldn't be disheartening	I couldn't have disheartened
you couldn't have disheartened
he couldn't have disheartened
we couldn't have disheartened
you couldn't have disheartened
they couldn't have disheartened	I couldn't have been disheartening
you couldn't have been disheartening
he couldn't have been disheartening
we couldn't have been disheartening
you couldn't have been disheartening
they couldn't have been disheartening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dishearten?
could you dishearten?
could he dishearten?
could we dishearten?
could you dishearten?
could they dishearten? 	could I be disheartening?
could you be disheartening?
could he be disheartening?
could we be disheartening?
could you be disheartening?
could they be disheartening? 	could I have disheartened?
could you have disheartened?
could he have disheartened?
could we have disheartened?
could you have disheartened?
could they have disheartened? 	could I have been disheartening?
could you have been disheartening?
could he have been disheartening?
could we have been disheartening?
could you have been disheartening?
could they have been disheartening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dishearten?
couldn't you dishearten?
couldn't he dishearten?
couldn't we dishearten?
couldn't you dishearten?
couldn't they dishearten? 	couldn't I be disheartening?
couldn't you be disheartening?
couldn't he be disheartening?
couldn't we be disheartening?
couldn't you be disheartening?
couldn't they be disheartening? 	couldn't I have disheartened?
couldn't you have disheartened?
couldn't he have disheartened?
couldn't we have disheartened?
couldn't you have disheartened?
couldn't they have disheartened? 	couldn't I have been disheartening?
couldn't you have been disheartening?
couldn't he have been disheartening?
couldn't we have been disheartening?
couldn't you have been disheartening?
couldn't they have been disheartening?