English verb conjugation
MUST MISTAKE

Irregular verb: mistake - mistook - mistaken

Affirmation

Simple form	V-ing form
I must mistake you must mistake he must mistake we must mistake you must mistake they must mistake	I must be mistaking you must be mistaking he must be mistaking we must be mistaking you must be mistaking they must be mistaking
Perfect	V-ing perfect
I must have mistaken you must have mistaken he must have mistaken we must have mistaken you must have mistaken they must have mistaken	I must have been mistaking you must have been mistaking he must have been mistaking we must have been mistaking you must have been mistaking they must have been mistaking

Negation

Simple form	V-ing form
I must not mistake you must not mistake he must not mistake we must not mistake you must not mistake they must not mistake	I must not be mistaking you must not be mistaking he must not be mistaking we must not be mistaking you must not be mistaking they must not be mistaking
Perfect	V-ing perfect
I must not have mistaken you must not have mistaken he must not have mistaken we must not have mistaken you must not have mistaken they must not have mistaken	I must not have been mistaking you must not have been mistaking he must not have been mistaking we must not have been mistaking you must not have been mistaking they must not have been mistaking

Interrogative form

Simple form	V-ing form
must I mistake? must you mistake? must he mistake? must we mistake? must you mistake? must they mistake?	must I be mistaking? must you be mistaking? must he be mistaking? must we be mistaking? must you be mistaking? must they be mistaking?
Perfect	V-ing perfect
must I have mistaken? must you have mistaken? must he have mistaken? must we have mistaken? must you have mistaken? must they have mistaken?	must I have been mistaking? must you have been mistaking? must he have been mistaking? must we have been mistaking? must you have been mistaking? must they have been mistaking?

Interro-negative form

Simple form	V-ing form
must I not mistake? must you not mistake? must he not mistake? must we not mistake? must you not mistake? must they not mistake?	must I not be mistaking? must you not be mistaking? must he not be mistaking? must we not be mistaking? must you not be mistaking? must they not be mistaking?
Perfect	V-ing perfect
must I not have mistaken? must you not have mistaken? must he not have mistaken? must we not have mistaken? must you not have mistaken? must they not have mistaken?	must I not have been mistaking? must you not have been mistaking? must he not have been mistaking? must we not have been mistaking? must you not have been mistaking? must they not have been mistaking?