may petition
Regular verb: petition - petitioned- petitioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may petition
you may petition
he may petition
we may petition
you may petition
they may petition 	I may be petitioning
you may be petitioning
he may be petitioning
we may be petitioning
you may be petitioning
they may be petitioning	I may have petitioned
you may have petitioned
he may have petitioned
we may have petitioned
you may have petitioned
they may have petitioned	I may have been petitioning
you may have been petitioning
he may have been petitioning
we may have been petitioning
you may have been petitioning
they may have been petitioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not petition
you may not petition
he may not petition
we may not petition
you may not petition
they may not petition 	I may not be petitioning
you may not be petitioning
he may not be petitioning
we may not be petitioning
you may not be petitioning
they may not be petitioning	I may not have petitioned
you may not have petitioned
he may not have petitioned
we may not have petitioned
you may not have petitioned
they may not have petitioned	I may not have been petitioning
you may not have been petitioning
he may not have been petitioning
we may not have been petitioning
you may not have been petitioning
they may not have been petitioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I petition?
may you petition?
may he petition?
may we petition?
may you petition?
may they petition? 	may I be petitioning?
may you be petitioning?
may he be petitioning?
may we be petitioning?
may you be petitioning?
may they be petitioning? 	may I have petitioned?
may you have petitioned?
may he have petitioned?
may we have petitioned?
may you have petitioned?
may they have petitioned? 	may I have been petitioning?
may you have been petitioning?
may he have been petitioning?
may we have been petitioning?
may you have been petitioning?
may they have been petitioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not petition?
may you not petition?
may he not petition?
may we not petition?
may you not petition?
may they not petition? 	may I not be petitioning?
may you not be petitioning?
may he not be petitioning?
may we not be petitioning?
may you not be petitioning?
may they not be petitioning? 	may I not have petitioned?
may you not have petitioned?
may he not have petitioned?
may we not have petitioned?
may you not have petitioned?
may they not have petitioned? 	may I not have been petitioning?
may you not have been petitioning?
may he not have been petitioning?
may we not have been petitioning?
may you not have been petitioning?
may they not have been petitioning?