might challenge
Regular verb: challenge - challenged- challenged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might challenge
you might challenge
she might challenge
we might challenge
you might challenge
they might challenge 	I might be challenging
you might be challenging
she might be challenging
we might be challenging
you might be challenging
they might be challenging	I might have challenged
you might have challenged
she might have challenged
we might have challenged
you might have challenged
they might have challenged	I might have been challenging
you might have been challenging
she might have been challenging
we might have been challenging
you might have been challenging
they might have been challenging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might not challenge
you might not challenge
she might not challenge
we might not challenge
you might not challenge
they might not challenge 	I might not be challenging
you might not be challenging
she might not be challenging
we might not be challenging
you might not be challenging
they might not be challenging	I might not have challenged
you might not have challenged
she might not have challenged
we might not have challenged
you might not have challenged
they might not have challenged	I might not have been challenging
you might not have been challenging
she might not have been challenging
we might not have been challenging
you might not have been challenging
they might not have been challenging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I challenge?
might you challenge?
might she challenge?
might we challenge?
might you challenge?
might they challenge? 	might I be challenging?
might you be challenging?
might she be challenging?
might we be challenging?
might you be challenging?
might they be challenging? 	might I have challenged?
might you have challenged?
might she have challenged?
might we have challenged?
might you have challenged?
might they have challenged? 	might I have been challenging?
might you have been challenging?
might she have been challenging?
might we have been challenging?
might you have been challenging?
might they have been challenging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
might I not challenge?
might you not challenge?
might she not challenge?
might we not challenge?
might you not challenge?
might they not challenge? 	might I not be challenging?
might you not be challenging?
might she not be challenging?
might we not be challenging?
might you not be challenging?
might they not be challenging? 	might I not have challenged?
might you not have challenged?
might she not have challenged?
might we not have challenged?
might you not have challenged?
might they not have challenged? 	might I not have been challenging?
might you not have been challenging?
might she not have been challenging?
might we not have been challenging?
might you not have been challenging?
might they not have been challenging?