English verb conjugation
MUST SMUDGE

Regular verb: smudge - smudged - smudged

Affirmation

Simple form	V-ing form
I must smudge you must smudge he must smudge we must smudge you must smudge they must smudge	I must be smudging you must be smudging he 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 he 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 he 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 he 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 he 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 he 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 he 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 he smudge? must we smudge? must you smudge? must they smudge?	must I be smudging? must you be smudging? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been smudging? must we not have been smudging? must you not have been smudging? must they not have been smudging?