ought to vilipend
Regular verb: vilipend - vilipended- vilipended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to vilipend
you ought to vilipend
she ought to vilipend
we ought to vilipend
you ought to vilipend
they ought to vilipend 	I ought to be vilipending
you ought to be vilipending
she ought to be vilipending
we ought to be vilipending
you ought to be vilipending
they ought to be vilipending	I ought to have vilipended
you ought to have vilipended
she ought to have vilipended
we ought to have vilipended
you ought to have vilipended
they ought to have vilipended	I ought to have been vilipending
you ought to have been vilipending
she ought to have been vilipending
we ought to have been vilipending
you ought to have been vilipending
they ought to have been vilipending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to vilipend
you oughtn't to vilipend
she oughtn't to vilipend
we oughtn't to vilipend
you oughtn't to vilipend
they oughtn't to vilipend 	I oughtn't to be vilipending
you oughtn't to be vilipending
she oughtn't to be vilipending
we oughtn't to be vilipending
you oughtn't to be vilipending
they oughtn't to be vilipending	I oughtn't to have vilipended
you oughtn't to have vilipended
she oughtn't to have vilipended
we oughtn't to have vilipended
you oughtn't to have vilipended
they oughtn't to have vilipended	I oughtn't to have been vilipending
you oughtn't to have been vilipending
she oughtn't to have been vilipending
we oughtn't to have been vilipending
you oughtn't to have been vilipending
they oughtn't to have been vilipending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I vilipend?
ought to you vilipend?
ought to she vilipend?
ought to we vilipend?
ought to you vilipend?
ought to they vilipend? 	ought to I be vilipending?
ought to you be vilipending?
ought to she be vilipending?
ought to we be vilipending?
ought to you be vilipending?
ought to they be vilipending? 	ought to I have vilipended?
ought to you have vilipended?
ought to she have vilipended?
ought to we have vilipended?
ought to you have vilipended?
ought to they have vilipended? 	ought to I have been vilipending?
ought to you have been vilipending?
ought to she have been vilipending?
ought to we have been vilipending?
ought to you have been vilipending?
ought to they have been vilipending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to vilipend?
oughtn't you to vilipend?
oughtn't she to vilipend?
oughtn't we to vilipend?
oughtn't you to vilipend?
oughtn't they to vilipend? 	oughtn't I to be vilipending?
oughtn't you to be vilipending?
oughtn't she to be vilipending?
oughtn't we to be vilipending?
oughtn't you to be vilipending?
oughtn't they to be vilipending? 	oughtn't I to have vilipended?
oughtn't you to have vilipended?
oughtn't she to have vilipended?
oughtn't we to have vilipended?
oughtn't you to have vilipended?
oughtn't they to have vilipended? 	oughtn't I to have been vilipending?
oughtn't you to have been vilipending?
oughtn't she to have been vilipending?
oughtn't we to have been vilipending?
oughtn't you to have been vilipending?
oughtn't they to have been vilipending?