English verb conjugation
MUST UPSIZE

Regular verb: upsize - upsized - upsized

Affirmation

Simple form	V-ing form
I must upsize you must upsize she must upsize we must upsize you must upsize they must upsize	I must be upsizing you must be upsizing she must be upsizing we must be upsizing you must be upsizing they must be upsizing
Perfect	V-ing perfect
I must have upsized you must have upsized she must have upsized we must have upsized you must have upsized they must have upsized	I must have been upsizing you must have been upsizing she must have been upsizing we must have been upsizing you must have been upsizing they must have been upsizing

Negation

Simple form	V-ing form
I must not upsize you must not upsize she must not upsize we must not upsize you must not upsize they must not upsize	I must not be upsizing you must not be upsizing she must not be upsizing we must not be upsizing you must not be upsizing they must not be upsizing
Perfect	V-ing perfect
I must not have upsized you must not have upsized she must not have upsized we must not have upsized you must not have upsized they must not have upsized	I must not have been upsizing you must not have been upsizing she must not have been upsizing we must not have been upsizing you must not have been upsizing they must not have been upsizing

Interrogative form

Simple form	V-ing form
must I upsize? must you upsize? must she upsize? must we upsize? must you upsize? must they upsize?	must I be upsizing? must you be upsizing? must she be upsizing? must we be upsizing? must you be upsizing? must they be upsizing?
Perfect	V-ing perfect
must I have upsized? must you have upsized? must she have upsized? must we have upsized? must you have upsized? must they have upsized?	must I have been upsizing? must you have been upsizing? must she have been upsizing? must we have been upsizing? must you have been upsizing? must they have been upsizing?

Interro-negative form

Simple form	V-ing form
must I not upsize? must you not upsize? must she not upsize? must we not upsize? must you not upsize? must they not upsize?	must I not be upsizing? must you not be upsizing? must she not be upsizing? must we not be upsizing? must you not be upsizing? must they not be upsizing?
Perfect	V-ing perfect
must I not have upsized? must you not have upsized? must she not have upsized? must we not have upsized? must you not have upsized? must they not have upsized?	must I not have been upsizing? must you not have been upsizing? must she not have been upsizing? must we not have been upsizing? must you not have been upsizing? must they not have been upsizing?