English verb conjugation
MUST BROADEN

Regular verb: broaden - broadened - broadened

Affirmation

Simple form	V-ing form
I must broaden you must broaden he must broaden we must broaden you must broaden they must broaden	I must be broadening you must be broadening he must be broadening we must be broadening you must be broadening they must be broadening
Perfect	V-ing perfect
I must have broadened you must have broadened he must have broadened we must have broadened you must have broadened they must have broadened	I must have been broadening you must have been broadening he must have been broadening we must have been broadening you must have been broadening they must have been broadening

Negation

Simple form	V-ing form
I mustn't broaden you mustn't broaden he mustn't broaden we mustn't broaden you mustn't broaden they mustn't broaden	I mustn't be broadening you mustn't be broadening he mustn't be broadening we mustn't be broadening you mustn't be broadening they mustn't be broadening
Perfect	V-ing perfect
I mustn't have broadened you mustn't have broadened he mustn't have broadened we mustn't have broadened you mustn't have broadened they mustn't have broadened	I mustn't have been broadening you mustn't have been broadening he mustn't have been broadening we mustn't have been broadening you mustn't have been broadening they mustn't have been broadening

Interrogative form

Simple form	V-ing form
must I broaden? must you broaden? must he broaden? must we broaden? must you broaden? must they broaden?	must I be broadening? must you be broadening? must he be broadening? must we be broadening? must you be broadening? must they be broadening?
Perfect	V-ing perfect
must I have broadened? must you have broadened? must he have broadened? must we have broadened? must you have broadened? must they have broadened?	must I have been broadening? must you have been broadening? must he have been broadening? must we have been broadening? must you have been broadening? must they have been broadening?

Interro-negative form

Simple form	V-ing form
mustn't I broaden? mustn't you broaden? mustn't he broaden? mustn't we broaden? mustn't you broaden? mustn't they broaden?	mustn't I be broadening? mustn't you be broadening? mustn't he be broadening? mustn't we be broadening? mustn't you be broadening? mustn't they be broadening?
Perfect	V-ing perfect
mustn't I have broadened? mustn't you have broadened? mustn't he have broadened? mustn't we have broadened? mustn't you have broadened? mustn't they have broadened?	mustn't I have been broadening? mustn't you have been broadening? mustn't he have been broadening? mustn't we have been broadening? mustn't you have been broadening? mustn't they have been broadening?