I'd be challenging you'd be challenging he'd be challenging we'd be challenging you'd be challenging they'd be challenging
Perfect
I would've challenged you would've challenged he would've challenged we would've challenged you would've challenged they would've challenged
V-ing perfect
I would've been challenging you would've been challenging he would've been challenging we would've been challenging you would've been challenging they would've been challenging
Negation
Simple form
I wouldn't challenge you wouldn't challenge he wouldn't challenge we wouldn't challenge you wouldn't challenge they wouldn't challenge
V-ing form
I wouldn't be challenging you wouldn't be challenging he wouldn't be challenging we wouldn't be challenging you wouldn't be challenging they wouldn't be challenging
Perfect
I wouldn't have challenged you wouldn't have challenged he wouldn't have challenged we wouldn't have challenged you wouldn't have challenged they wouldn't have challenged
V-ing perfect
I wouldn't have been challenging you wouldn't have been challenging he 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
would I challenge? would you challenge? would he challenge? would we challenge? would you challenge? would they challenge?
V-ing form
would I be challenging? would you be challenging? would he be challenging? would we be challenging? would you be challenging? would they be challenging?
Perfect
would I have challenged? would you have challenged? would he have challenged? would we have challenged? would you have challenged? would they have challenged?
V-ing perfect
would I have been challenging? would you have been challenging? would he have been challenging? would we have been challenging? would you have been challenging? would they have been challenging?
Interro-negative form
Simple form
wouldn't I challenge? wouldn't you challenge? wouldn't he challenge? wouldn't we challenge? wouldn't you challenge? wouldn't they challenge?
V-ing form
wouldn't I be challenging? wouldn't you be challenging? wouldn't he be challenging? wouldn't we be challenging? wouldn't you be challenging? wouldn't they be challenging?
Perfect
wouldn't I have challenged? wouldn't you have challenged? wouldn't he have challenged? wouldn't we have challenged? wouldn't you have challenged? wouldn't they have challenged?
V-ing perfect
wouldn't I have been challenging? wouldn't you have been challenging? wouldn't he have been challenging? wouldn't we have been challenging? wouldn't you have been challenging? wouldn't they have been challenging?