English verb conjugation
MUST ECONOMIZE

Regular verb: economize - economized - economized

Affirmation

Simple form	V-ing form
I must economize you must economize she must economize we must economize you must economize they must economize	I must be economizing you must be economizing she must be economizing we must be economizing you must be economizing they must be economizing
Perfect	V-ing perfect
I must have economized you must have economized she must have economized we must have economized you must have economized they must have economized	I must have been economizing you must have been economizing she must have been economizing we must have been economizing you must have been economizing they must have been economizing

Negation

Simple form	V-ing form
I mustn't economize you mustn't economize she mustn't economize we mustn't economize you mustn't economize they mustn't economize	I mustn't be economizing you mustn't be economizing she mustn't be economizing we mustn't be economizing you mustn't be economizing they mustn't be economizing
Perfect	V-ing perfect
I mustn't have economized you mustn't have economized she mustn't have economized we mustn't have economized you mustn't have economized they mustn't have economized	I mustn't have been economizing you mustn't have been economizing she mustn't have been economizing we mustn't have been economizing you mustn't have been economizing they mustn't have been economizing

Interrogative form

Simple form	V-ing form
must I economize? must you economize? must she economize? must we economize? must you economize? must they economize?	must I be economizing? must you be economizing? must she be economizing? must we be economizing? must you be economizing? must they be economizing?
Perfect	V-ing perfect
must I have economized? must you have economized? must she have economized? must we have economized? must you have economized? must they have economized?	must I have been economizing? must you have been economizing? must she have been economizing? must we have been economizing? must you have been economizing? must they have been economizing?

Interro-negative form

Simple form	V-ing form
mustn't I economize? mustn't you economize? mustn't she economize? mustn't we economize? mustn't you economize? mustn't they economize?	mustn't I be economizing? mustn't you be economizing? mustn't she be economizing? mustn't we be economizing? mustn't you be economizing? mustn't they be economizing?
Perfect	V-ing perfect
mustn't I have economized? mustn't you have economized? mustn't she have economized? mustn't we have economized? mustn't you have economized? mustn't they have economized?	mustn't I have been economizing? mustn't you have been economizing? mustn't she have been economizing? mustn't we have been economizing? mustn't you have been economizing? mustn't they have been economizing?