English verb conjugation
MUST CHAMPION

Regular verb: champion - championed - championed

Affirmation

Simple form	V-ing form
I must champion you must champion she must champion we must champion you must champion they must champion	I must be championing you must be championing she must be championing we must be championing you must be championing they must be championing
Perfect	V-ing perfect
I must have championed you must have championed she must have championed we must have championed you must have championed they must have championed	I must have been championing you must have been championing she must have been championing we must have been championing you must have been championing they must have been championing

Negation

Simple form	V-ing form
I mustn't champion you mustn't champion she mustn't champion we mustn't champion you mustn't champion they mustn't champion	I mustn't be championing you mustn't be championing she mustn't be championing we mustn't be championing you mustn't be championing they mustn't be championing
Perfect	V-ing perfect
I mustn't have championed you mustn't have championed she mustn't have championed we mustn't have championed you mustn't have championed they mustn't have championed	I mustn't have been championing you mustn't have been championing she mustn't have been championing we mustn't have been championing you mustn't have been championing they mustn't have been championing

Interrogative form

Simple form	V-ing form
must I champion? must you champion? must she champion? must we champion? must you champion? must they champion?	must I be championing? must you be championing? must she be championing? must we be championing? must you be championing? must they be championing?
Perfect	V-ing perfect
must I have championed? must you have championed? must she have championed? must we have championed? must you have championed? must they have championed?	must I have been championing? must you have been championing? must she have been championing? must we have been championing? must you have been championing? must they have been championing?

Interro-negative form

Simple form	V-ing form
mustn't I champion? mustn't you champion? mustn't she champion? mustn't we champion? mustn't you champion? mustn't they champion?	mustn't I be championing? mustn't you be championing? mustn't she be championing? mustn't we be championing? mustn't you be championing? mustn't they be championing?
Perfect	V-ing perfect
mustn't I have championed? mustn't you have championed? mustn't she have championed? mustn't we have championed? mustn't you have championed? mustn't they have championed?	mustn't I have been championing? mustn't you have been championing? mustn't she have been championing? mustn't we have been championing? mustn't you have been championing? mustn't they have been championing?