English verb conjugation
MUST WEATHERIZE

Regular verb: weatherize - weatherized - weatherized

Affirmation

Simple form	V-ing form
I must weatherize you must weatherize he must weatherize we must weatherize you must weatherize they must weatherize	I must be weatherizing you must be weatherizing he must be weatherizing we must be weatherizing you must be weatherizing they must be weatherizing
Perfect	V-ing perfect
I must have weatherized you must have weatherized he must have weatherized we must have weatherized you must have weatherized they must have weatherized	I must have been weatherizing you must have been weatherizing he must have been weatherizing we must have been weatherizing you must have been weatherizing they must have been weatherizing

Negation

Simple form	V-ing form
I mustn't weatherize you mustn't weatherize he mustn't weatherize we mustn't weatherize you mustn't weatherize they mustn't weatherize	I mustn't be weatherizing you mustn't be weatherizing he mustn't be weatherizing we mustn't be weatherizing you mustn't be weatherizing they mustn't be weatherizing
Perfect	V-ing perfect
I mustn't have weatherized you mustn't have weatherized he mustn't have weatherized we mustn't have weatherized you mustn't have weatherized they mustn't have weatherized	I mustn't have been weatherizing you mustn't have been weatherizing he mustn't have been weatherizing we mustn't have been weatherizing you mustn't have been weatherizing they mustn't have been weatherizing

Interrogative form

Simple form	V-ing form
must I weatherize? must you weatherize? must he weatherize? must we weatherize? must you weatherize? must they weatherize?	must I be weatherizing? must you be weatherizing? must he be weatherizing? must we be weatherizing? must you be weatherizing? must they be weatherizing?
Perfect	V-ing perfect
must I have weatherized? must you have weatherized? must he have weatherized? must we have weatherized? must you have weatherized? must they have weatherized?	must I have been weatherizing? must you have been weatherizing? must he have been weatherizing? must we have been weatherizing? must you have been weatherizing? must they have been weatherizing?

Interro-negative form

Simple form	V-ing form
mustn't I weatherize? mustn't you weatherize? mustn't he weatherize? mustn't we weatherize? mustn't you weatherize? mustn't they weatherize?	mustn't I be weatherizing? mustn't you be weatherizing? mustn't he be weatherizing? mustn't we be weatherizing? mustn't you be weatherizing? mustn't they be weatherizing?
Perfect	V-ing perfect
mustn't I have weatherized? mustn't you have weatherized? mustn't he have weatherized? mustn't we have weatherized? mustn't you have weatherized? mustn't they have weatherized?	mustn't I have been weatherizing? mustn't you have been weatherizing? mustn't he have been weatherizing? mustn't we have been weatherizing? mustn't you have been weatherizing? mustn't they have been weatherizing?