may umpire
Regular verb: umpire - umpired- umpired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may umpire
you may umpire
he may umpire
we may umpire
you may umpire
they may umpire 	I may be umpiring
you may be umpiring
he may be umpiring
we may be umpiring
you may be umpiring
they may be umpiring	I may have umpired
you may have umpired
he may have umpired
we may have umpired
you may have umpired
they may have umpired	I may have been umpiring
you may have been umpiring
he may have been umpiring
we may have been umpiring
you may have been umpiring
they may have been umpiring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not umpire
you may not umpire
he may not umpire
we may not umpire
you may not umpire
they may not umpire 	I may not be umpiring
you may not be umpiring
he may not be umpiring
we may not be umpiring
you may not be umpiring
they may not be umpiring	I may not have umpired
you may not have umpired
he may not have umpired
we may not have umpired
you may not have umpired
they may not have umpired	I may not have been umpiring
you may not have been umpiring
he may not have been umpiring
we may not have been umpiring
you may not have been umpiring
they may not have been umpiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I umpire?
may you umpire?
may he umpire?
may we umpire?
may you umpire?
may they umpire? 	may I be umpiring?
may you be umpiring?
may he be umpiring?
may we be umpiring?
may you be umpiring?
may they be umpiring? 	may I have umpired?
may you have umpired?
may he have umpired?
may we have umpired?
may you have umpired?
may they have umpired? 	may I have been umpiring?
may you have been umpiring?
may he have been umpiring?
may we have been umpiring?
may you have been umpiring?
may they have been umpiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not umpire?
may you not umpire?
may he not umpire?
may we not umpire?
may you not umpire?
may they not umpire? 	may I not be umpiring?
may you not be umpiring?
may he not be umpiring?
may we not be umpiring?
may you not be umpiring?
may they not be umpiring? 	may I not have umpired?
may you not have umpired?
may he not have umpired?
may we not have umpired?
may you not have umpired?
may they not have umpired? 	may I not have been umpiring?
may you not have been umpiring?
may he not have been umpiring?
may we not have been umpiring?
may you not have been umpiring?
may they not have been umpiring?