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 should've challenged you should've challenged he should've challenged we should've challenged you should've challenged they should've challenged
Perfect en V-ing
I should've been challenging you should've been challenging he should've been challenging we should've been challenging you should've been challenging they should've been challenging
Négation
Forme simple
I shouldn't challenge you shouldn't challenge he shouldn't challenge we shouldn't challenge you shouldn't challenge they shouldn't challenge
Forme en V-ing
I shouldn't be challenging you shouldn't be challenging he shouldn't be challenging we shouldn't be challenging you shouldn't be challenging they shouldn't be challenging
Perfect
I shouldn't have challenged you shouldn't have challenged he shouldn't have challenged we shouldn't have challenged you shouldn't have challenged they shouldn't have challenged
Perfect en V-ing
I shouldn't have been challenging you shouldn't have been challenging he shouldn't have been challenging we shouldn't have been challenging you shouldn't have been challenging they shouldn't have been challenging
Forme interrogative
Forme simple
should I challenge? should you challenge? should he challenge? should we challenge? should you challenge? should they challenge?
Forme en V-ing
should I be challenging? should you be challenging? should he be challenging? should we be challenging? should you be challenging? should they be challenging?
Perfect
should I have challenged? should you have challenged? should he have challenged? should we have challenged? should you have challenged? should they have challenged?
Perfect en V-ing
should I have been challenging? should you have been challenging? should he have been challenging? should we have been challenging? should you have been challenging? should they have been challenging?
Forme interro-négative
Forme simple
shouldn't I challenge? shouldn't you challenge? shouldn't he challenge? shouldn't we challenge? shouldn't you challenge? shouldn't they challenge?
Forme en V-ing
shouldn't I be challenging? shouldn't you be challenging? shouldn't he be challenging? shouldn't we be challenging? shouldn't you be challenging? shouldn't they be challenging?
Perfect
shouldn't I have challenged? shouldn't you have challenged? shouldn't he have challenged? shouldn't we have challenged? shouldn't you have challenged? shouldn't they have challenged?
Perfect en V-ing
shouldn't I have been challenging? shouldn't you have been challenging? shouldn't he have been challenging? shouldn't we have been challenging? shouldn't you have been challenging? shouldn't they have been challenging?