I ought to challenge you ought to challenge he ought to challenge we ought to challenge you ought to challenge they ought to challenge
V-ing form
I ought to be challenging you ought to be challenging he ought to be challenging we ought to be challenging you ought to be challenging they ought to be challenging
Perfect
I ought to have challenged you ought to have challenged he ought to have challenged we ought to have challenged you ought to have challenged they ought to have challenged
V-ing perfect
I ought to have been challenging you ought to have been challenging he ought to have been challenging we ought to have been challenging you ought to have been challenging they ought to have been challenging
Negation
Simple form
I oughtn't to challenge you oughtn't to challenge he oughtn't to challenge we oughtn't to challenge you oughtn't to challenge they oughtn't to challenge
V-ing form
I oughtn't to be challenging you oughtn't to be challenging he oughtn't to be challenging we oughtn't to be challenging you oughtn't to be challenging they oughtn't to be challenging
Perfect
I oughtn't to have challenged you oughtn't to have challenged he oughtn't to have challenged we oughtn't to have challenged you oughtn't to have challenged they oughtn't to have challenged
V-ing perfect
I oughtn't to have been challenging you oughtn't to have been challenging he oughtn't to have been challenging we oughtn't to have been challenging you oughtn't to have been challenging they oughtn't to have been challenging
Interrogative form
Simple form
ought to I challenge? ought to you challenge? ought to he challenge? ought to we challenge? ought to you challenge? ought to they challenge?
V-ing form
ought to I be challenging? ought to you be challenging? ought to he be challenging? ought to we be challenging? ought to you be challenging? ought to they be challenging?
Perfect
ought to I have challenged? ought to you have challenged? ought to he have challenged? ought to we have challenged? ought to you have challenged? ought to they have challenged?
V-ing perfect
ought to I have been challenging? ought to you have been challenging? ought to he have been challenging? ought to we have been challenging? ought to you have been challenging? ought to they have been challenging?
Interro-negative form
Simple form
oughtn't I to challenge? oughtn't you to challenge? oughtn't he to challenge? oughtn't we to challenge? oughtn't you to challenge? oughtn't they to challenge?
V-ing form
oughtn't I to be challenging? oughtn't you to be challenging? oughtn't he to be challenging? oughtn't we to be challenging? oughtn't you to be challenging? oughtn't they to be challenging?
Perfect
oughtn't I to have challenged? oughtn't you to have challenged? oughtn't he to have challenged? oughtn't we to have challenged? oughtn't you to have challenged? oughtn't they to have challenged?
V-ing perfect
oughtn't I to have been challenging? oughtn't you to have been challenging? oughtn't he to have been challenging? oughtn't we to have been challenging? oughtn't you to have been challenging? oughtn't they to have been challenging?