would challenge
Regular verb: challenge - challenged- challenged

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't challenge
you wouldn't challenge
she wouldn't challenge
we wouldn't challenge
you wouldn't challenge
they wouldn't challenge 	I wouldn't be challenging
you wouldn't be challenging
she wouldn't be challenging
we wouldn't be challenging
you wouldn't be challenging
they wouldn't be challenging	I wouldn't have challenged
you wouldn't have challenged
she wouldn't have challenged
we wouldn't have challenged
you wouldn't have challenged
they wouldn't have challenged	I wouldn't have been challenging
you wouldn't have been challenging
she wouldn't have been challenging
we wouldn't have been challenging
you wouldn't have been challenging
they wouldn't 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 	
wouldn't I challenge?
wouldn't you challenge?
wouldn't she challenge?
wouldn't we challenge?
wouldn't you challenge?
wouldn't they challenge? 	wouldn't I be challenging?
wouldn't you be challenging?
wouldn't she be challenging?
wouldn't we be challenging?
wouldn't you be challenging?
wouldn't they be challenging? 	wouldn't I have challenged?
wouldn't you have challenged?
wouldn't she have challenged?
wouldn't we have challenged?
wouldn't you have challenged?
wouldn't they have challenged? 	wouldn't I have been challenging?
wouldn't you have been challenging?
wouldn't she have been challenging?
wouldn't we have been challenging?
wouldn't you have been challenging?
wouldn't they have been challenging?