English verb conjugation
MUST SMUDGE

Regular verb: smudge - smudged - smudged

Affirmation

Simple form	V-ing form
I must smudge you must smudge she must smudge we must smudge you must smudge they must smudge	I must be smudging you must be smudging she must be smudging we must be smudging you must be smudging they must be smudging
Perfect	V-ing perfect
I must have smudged you must have smudged she must have smudged we must have smudged you must have smudged they must have smudged	I must have been smudging you must have been smudging she must have been smudging we must have been smudging you must have been smudging they must have been smudging

Negation

Simple form	V-ing form
I must not smudge you must not smudge she must not smudge we must not smudge you must not smudge they must not smudge	I must not be smudging you must not be smudging she must not be smudging we must not be smudging you must not be smudging they must not be smudging
Perfect	V-ing perfect
I must not have smudged you must not have smudged she must not have smudged we must not have smudged you must not have smudged they must not have smudged	I must not have been smudging you must not have been smudging she must not have been smudging we must not have been smudging you must not have been smudging they must not have been smudging

Interrogative form

Simple form	V-ing form
must I smudge? must you smudge? must she smudge? must we smudge? must you smudge? must they smudge?	must I be smudging? must you be smudging? must she be smudging? must we be smudging? must you be smudging? must they be smudging?
Perfect	V-ing perfect
must I have smudged? must you have smudged? must she have smudged? must we have smudged? must you have smudged? must they have smudged?	must I have been smudging? must you have been smudging? must she have been smudging? must we have been smudging? must you have been smudging? must they have been smudging?

Interro-negative form

Simple form	V-ing form
must I not smudge? must you not smudge? must she not smudge? must we not smudge? must you not smudge? must they not smudge?	must I not be smudging? must you not be smudging? must she not be smudging? must we not be smudging? must you not be smudging? must they not be smudging?
Perfect	V-ing perfect
must I not have smudged? must you not have smudged? must she not have smudged? must we not have smudged? must you not have smudged? must they not have smudged?	must I not have been smudging? must you not have been smudging? must she not have been smudging? must we not have been smudging? must you not have been smudging? must they not have been smudging?