English verb conjugation
MUST PETITION

Regular verb: petition - petitioned - petitioned

Affirmation

Simple form	V-ing form
I must petition you must petition she must petition we must petition you must petition they must petition	I must be petitioning you must be petitioning she must be petitioning we must be petitioning you must be petitioning they must be petitioning
Perfect	V-ing perfect
I must have petitioned you must have petitioned she must have petitioned we must have petitioned you must have petitioned they must have petitioned	I must have been petitioning you must have been petitioning she must have been petitioning we must have been petitioning you must have been petitioning they must have been petitioning

Negation

Simple form	V-ing form
I must not petition you must not petition she must not petition we must not petition you must not petition they must not petition	I must not be petitioning you must not be petitioning she must not be petitioning we must not be petitioning you must not be petitioning they must not be petitioning
Perfect	V-ing perfect
I must not have petitioned you must not have petitioned she must not have petitioned we must not have petitioned you must not have petitioned they must not have petitioned	I must not have been petitioning you must not have been petitioning she must not have been petitioning we must not have been petitioning you must not have been petitioning they must not have been petitioning

Interrogative form

Simple form	V-ing form
must I petition? must you petition? must she petition? must we petition? must you petition? must they petition?	must I be petitioning? must you be petitioning? must she be petitioning? must we be petitioning? must you be petitioning? must they be petitioning?
Perfect	V-ing perfect
must I have petitioned? must you have petitioned? must she have petitioned? must we have petitioned? must you have petitioned? must they have petitioned?	must I have been petitioning? must you have been petitioning? must she have been petitioning? must we have been petitioning? must you have been petitioning? must they have been petitioning?

Interro-negative form

Simple form	V-ing form
must I not petition? must you not petition? must she not petition? must we not petition? must you not petition? must they not petition?	must I not be petitioning? must you not be petitioning? must she not be petitioning? must we not be petitioning? must you not be petitioning? must they not be petitioning?
Perfect	V-ing perfect
must I not have petitioned? must you not have petitioned? must she not have petitioned? must we not have petitioned? must you not have petitioned? must they not have petitioned?	must I not have been petitioning? must you not have been petitioning? must she not have been petitioning? must we not have been petitioning? must you not have been petitioning? must they not have been petitioning?