English verb conjugation
MUST DISHEARTEN

Regular verb: dishearten - disheartened - disheartened

Affirmation

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

Negation

Simple form	V-ing form
I must not dishearten you must not dishearten he must not dishearten we must not dishearten you must not dishearten they must not dishearten	I must not be disheartening you must not be disheartening he must not be disheartening we must not be disheartening you must not be disheartening they must not be disheartening
Perfect	V-ing perfect
I must not have disheartened you must not have disheartened he must not have disheartened we must not have disheartened you must not have disheartened they must not have disheartened	I must not have been disheartening you must not have been disheartening he must not have been disheartening we must not have been disheartening you must not have been disheartening they must not have been disheartening

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not dishearten? must you not dishearten? must he not dishearten? must we not dishearten? must you not dishearten? must they not dishearten?	must I not be disheartening? must you not be disheartening? must he not be disheartening? must we not be disheartening? must you not be disheartening? must they not be disheartening?
Perfect	V-ing perfect
must I not have disheartened? must you not have disheartened? must he not have disheartened? must we not have disheartened? must you not have disheartened? must they not have disheartened?	must I not have been disheartening? must you not have been disheartening? must he not have been disheartening? must we not have been disheartening? must you not have been disheartening? must they not have been disheartening?