English verb conjugation
MUST MISTAKE

Irregular verb: mistake - mistook - mistaken

Affirmation

Simple form	V-ing form
I must mistake you must mistake she must mistake we must mistake you must mistake they must mistake	I must be mistaking you must be mistaking she 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 she 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 she 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 mustn't mistake you mustn't mistake she mustn't mistake we mustn't mistake you mustn't mistake they mustn't mistake	I mustn't be mistaking you mustn't be mistaking she mustn't be mistaking we mustn't be mistaking you mustn't be mistaking they mustn't be mistaking
Perfect	V-ing perfect
I mustn't have mistaken you mustn't have mistaken she mustn't have mistaken we mustn't have mistaken you mustn't have mistaken they mustn't have mistaken	I mustn't have been mistaking you mustn't have been mistaking she mustn't have been mistaking we mustn't have been mistaking you mustn't have been mistaking they mustn't have been mistaking

Interrogative form

Simple form	V-ing form
must I mistake? must you mistake? must she mistake? must we mistake? must you mistake? must they mistake?	must I be mistaking? must you be mistaking? must she 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 she 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 she 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
mustn't I mistake? mustn't you mistake? mustn't she mistake? mustn't we mistake? mustn't you mistake? mustn't they mistake?	mustn't I be mistaking? mustn't you be mistaking? mustn't she be mistaking? mustn't we be mistaking? mustn't you be mistaking? mustn't they be mistaking?
Perfect	V-ing perfect
mustn't I have mistaken? mustn't you have mistaken? mustn't she have mistaken? mustn't we have mistaken? mustn't you have mistaken? mustn't they have mistaken?	mustn't I have been mistaking? mustn't you have been mistaking? mustn't she have been mistaking? mustn't we have been mistaking? mustn't you have been mistaking? mustn't they have been mistaking?