English verb conjugation
MUST UPSIZE

Regular verb: upsize - upsized - upsized

Affirmation

Simple form	V-ing form
I must upsize you must upsize he must upsize we must upsize you must upsize they must upsize	I must be upsizing you must be upsizing he 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 he 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 he 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 mustn't upsize you mustn't upsize he mustn't upsize we mustn't upsize you mustn't upsize they mustn't upsize	I mustn't be upsizing you mustn't be upsizing he mustn't be upsizing we mustn't be upsizing you mustn't be upsizing they mustn't be upsizing
Perfect	V-ing perfect
I mustn't have upsized you mustn't have upsized he mustn't have upsized we mustn't have upsized you mustn't have upsized they mustn't have upsized	I mustn't have been upsizing you mustn't have been upsizing he mustn't have been upsizing we mustn't have been upsizing you mustn't have been upsizing they mustn't have been upsizing

Interrogative form

Simple form	V-ing form
must I upsize? must you upsize? must he upsize? must we upsize? must you upsize? must they upsize?	must I be upsizing? must you be upsizing? must he 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 he 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 he 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
mustn't I upsize? mustn't you upsize? mustn't he upsize? mustn't we upsize? mustn't you upsize? mustn't they upsize?	mustn't I be upsizing? mustn't you be upsizing? mustn't he be upsizing? mustn't we be upsizing? mustn't you be upsizing? mustn't they be upsizing?
Perfect	V-ing perfect
mustn't I have upsized? mustn't you have upsized? mustn't he have upsized? mustn't we have upsized? mustn't you have upsized? mustn't they have upsized?	mustn't I have been upsizing? mustn't you have been upsizing? mustn't he have been upsizing? mustn't we have been upsizing? mustn't you have been upsizing? mustn't they have been upsizing?