would challenge
Regular verb: challenge - challenged- challenged

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

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

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

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