ought to challenge
Regular verb: challenge - challenged- challenged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to challenge
you ought to challenge
she ought to challenge
we ought to challenge
you ought to challenge
they ought to challenge 	I ought to be challenging
you ought to be challenging
she ought to be challenging
we ought to be challenging
you ought to be challenging
they ought to be challenging	I ought to have challenged
you ought to have challenged
she ought to have challenged
we ought to have challenged
you ought to have challenged
they ought to have challenged	I ought to have been challenging
you ought to have been challenging
she 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 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to challenge
you ought not to challenge
she ought not to challenge
we ought not to challenge
you ought not to challenge
they ought not to challenge 	I ought not to challenging
you ought not to challenging
she ought not to challenging
we ought not to challenging
you ought not to challenging
they ought not to challenging	I ought not to have challenged
you ought not to have challenged
she ought not to have challenged
we ought not to have challenged
you ought not to have challenged
they ought not to have challenged	I ought not to have been challenging
you ought not to have been challenging
she ought not to have been challenging
we ought not to have been challenging
you ought not to have been challenging
they ought not to have been challenging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I challenge?
ought to you challenge?
ought to she challenge?
ought to we challenge?
ought to you challenge?
ought to they challenge? 	ought to I be challenging?
ought to you be challenging?
ought to she be challenging?
ought to we be challenging?
ought to you be challenging?
ought to they be challenging? 	ought to I have challenged?
ought to you have challenged?
ought to she have challenged?
ought to we have challenged?
ought to you have challenged?
ought to they have challenged? 	ought to I have been challenging?
ought to you have been challenging?
ought to she 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 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to challenge?
ought you not to challenge?
ought she not to challenge?
ought we not to challenge?
ought you not to challenge?
ought they not to challenge? 	ought I not to be challenging?
ought you not to be challenging?
ought she not to be challenging?
ought we not to be challenging?
ought you not to be challenging?
ought they not to be challenging? 	ought I not to have challenged?
ought you not to have challenged?
ought she not to have challenged?
ought we not to have challenged?
ought you not to have challenged?
ought they not to have challenged? 	ought I not to have been challenging?
ought you not to have been challenging?
ought she not to have been challenging?
ought we not to have been challenging?
ought you not to have been challenging?
ought they not to have been challenging?