English verb conjugation
MUST PETITION

Regular verb: petition - petitioned - petitioned

Affirmation

Simple form	V-ing form
I must petition you must petition he must petition we must petition you must petition they must petition	I must be petitioning you must be petitioning he 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 he 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 he 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 mustn't petition you mustn't petition he mustn't petition we mustn't petition you mustn't petition they mustn't petition	I mustn't be petitioning you mustn't be petitioning he mustn't be petitioning we mustn't be petitioning you mustn't be petitioning they mustn't be petitioning
Perfect	V-ing perfect
I mustn't have petitioned you mustn't have petitioned he mustn't have petitioned we mustn't have petitioned you mustn't have petitioned they mustn't have petitioned	I mustn't have been petitioning you mustn't have been petitioning he mustn't have been petitioning we mustn't have been petitioning you mustn't have been petitioning they mustn't have been petitioning

Interrogative form

Simple form	V-ing form
must I petition? must you petition? must he petition? must we petition? must you petition? must they petition?	must I be petitioning? must you be petitioning? must he 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 he 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 he 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
mustn't I petition? mustn't you petition? mustn't he petition? mustn't we petition? mustn't you petition? mustn't they petition?	mustn't I be petitioning? mustn't you be petitioning? mustn't he be petitioning? mustn't we be petitioning? mustn't you be petitioning? mustn't they be petitioning?
Perfect	V-ing perfect
mustn't I have petitioned? mustn't you have petitioned? mustn't he have petitioned? mustn't we have petitioned? mustn't you have petitioned? mustn't they have petitioned?	mustn't I have been petitioning? mustn't you have been petitioning? mustn't he have been petitioning? mustn't we have been petitioning? mustn't you have been petitioning? mustn't they have been petitioning?