ought to discredit
Regular verb: discredit - discredited- discredited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to discredit
you ought to discredit
he ought to discredit
we ought to discredit
you ought to discredit
they ought to discredit 	I ought to be discrediting
you ought to be discrediting
he ought to be discrediting
we ought to be discrediting
you ought to be discrediting
they ought to be discrediting	I ought to have discredited
you ought to have discredited
he ought to have discredited
we ought to have discredited
you ought to have discredited
they ought to have discredited	I ought to have been discrediting
you ought to have been discrediting
he ought to have been discrediting
we ought to have been discrediting
you ought to have been discrediting
they ought to have been discrediting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to discredit
you oughtn't to discredit
he oughtn't to discredit
we oughtn't to discredit
you oughtn't to discredit
they oughtn't to discredit 	I oughtn't to be discrediting
you oughtn't to be discrediting
he oughtn't to be discrediting
we oughtn't to be discrediting
you oughtn't to be discrediting
they oughtn't to be discrediting	I oughtn't to have discredited
you oughtn't to have discredited
he oughtn't to have discredited
we oughtn't to have discredited
you oughtn't to have discredited
they oughtn't to have discredited	I oughtn't to have been discrediting
you oughtn't to have been discrediting
he oughtn't to have been discrediting
we oughtn't to have been discrediting
you oughtn't to have been discrediting
they oughtn't to have been discrediting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I discredit?
ought to you discredit?
ought to he discredit?
ought to we discredit?
ought to you discredit?
ought to they discredit? 	ought to I be discrediting?
ought to you be discrediting?
ought to he be discrediting?
ought to we be discrediting?
ought to you be discrediting?
ought to they be discrediting? 	ought to I have discredited?
ought to you have discredited?
ought to he have discredited?
ought to we have discredited?
ought to you have discredited?
ought to they have discredited? 	ought to I have been discrediting?
ought to you have been discrediting?
ought to he have been discrediting?
ought to we have been discrediting?
ought to you have been discrediting?
ought to they have been discrediting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to discredit?
oughtn't you to discredit?
oughtn't he to discredit?
oughtn't we to discredit?
oughtn't you to discredit?
oughtn't they to discredit? 	oughtn't I to be discrediting?
oughtn't you to be discrediting?
oughtn't he to be discrediting?
oughtn't we to be discrediting?
oughtn't you to be discrediting?
oughtn't they to be discrediting? 	oughtn't I to have discredited?
oughtn't you to have discredited?
oughtn't he to have discredited?
oughtn't we to have discredited?
oughtn't you to have discredited?
oughtn't they to have discredited? 	oughtn't I to have been discrediting?
oughtn't you to have been discrediting?
oughtn't he to have been discrediting?
oughtn't we to have been discrediting?
oughtn't you to have been discrediting?
oughtn't they to have been discrediting?