I must disillusion you must disillusion he must disillusion we must disillusion you must disillusion they must disillusion
V-ing form
I must be disillusioning you must be disillusioning he must be disillusioning we must be disillusioning you must be disillusioning they must be disillusioning
Perfect
I must have disillusioned you must have disillusioned he must have disillusioned we must have disillusioned you must have disillusioned they must have disillusioned
V-ing perfect
I must have been disillusioning you must have been disillusioning he must have been disillusioning we must have been disillusioning you must have been disillusioning they must have been disillusioning
Negation
Simple form
I must not disillusion you must not disillusion he must not disillusion we must not disillusion you must not disillusion they must not disillusion
V-ing form
I must not be disillusioning you must not be disillusioning he must not be disillusioning we must not be disillusioning you must not be disillusioning they must not be disillusioning
Perfect
I must not have disillusioned you must not have disillusioned he must not have disillusioned we must not have disillusioned you must not have disillusioned they must not have disillusioned
V-ing perfect
I must not have been disillusioning you must not have been disillusioning he must not have been disillusioning we must not have been disillusioning you must not have been disillusioning they must not have been disillusioning
Interrogative form
Simple form
must I disillusion? must you disillusion? must he disillusion? must we disillusion? must you disillusion? must they disillusion?
V-ing form
must I be disillusioning? must you be disillusioning? must he be disillusioning? must we be disillusioning? must you be disillusioning? must they be disillusioning?
Perfect
must I have disillusioned? must you have disillusioned? must he have disillusioned? must we have disillusioned? must you have disillusioned? must they have disillusioned?
V-ing perfect
must I have been disillusioning? must you have been disillusioning? must he have been disillusioning? must we have been disillusioning? must you have been disillusioning? must they have been disillusioning?
Interro-negative form
Simple form
must I not disillusion? must you not disillusion? must he not disillusion? must we not disillusion? must you not disillusion? must they not disillusion?
V-ing form
must I not be disillusioning? must you not be disillusioning? must he not be disillusioning? must we not be disillusioning? must you not be disillusioning? must they not be disillusioning?
Perfect
must I not have disillusioned? must you not have disillusioned? must he not have disillusioned? must we not have disillusioned? must you not have disillusioned? must they not have disillusioned?
V-ing perfect
must I not have been disillusioning? must you not have been disillusioning? must he not have been disillusioning? must we not have been disillusioning? must you not have been disillusioning? must they not have been disillusioning?