ought to overvalue
Regular verb: overvalue - overvalued- overvalued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overvalue
you ought to overvalue
he ought to overvalue
we ought to overvalue
you ought to overvalue
they ought to overvalue 	I ought to be overvaluing
you ought to be overvaluing
he ought to be overvaluing
we ought to be overvaluing
you ought to be overvaluing
they ought to be overvaluing	I ought to have overvalued
you ought to have overvalued
he ought to have overvalued
we ought to have overvalued
you ought to have overvalued
they ought to have overvalued	I ought to have been overvaluing
you ought to have been overvaluing
he ought to have been overvaluing
we ought to have been overvaluing
you ought to have been overvaluing
they ought to have been overvaluing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to overvalue
you oughtn't to overvalue
he oughtn't to overvalue
we oughtn't to overvalue
you oughtn't to overvalue
they oughtn't to overvalue 	I oughtn't to be overvaluing
you oughtn't to be overvaluing
he oughtn't to be overvaluing
we oughtn't to be overvaluing
you oughtn't to be overvaluing
they oughtn't to be overvaluing	I oughtn't to have overvalued
you oughtn't to have overvalued
he oughtn't to have overvalued
we oughtn't to have overvalued
you oughtn't to have overvalued
they oughtn't to have overvalued	I oughtn't to have been overvaluing
you oughtn't to have been overvaluing
he oughtn't to have been overvaluing
we oughtn't to have been overvaluing
you oughtn't to have been overvaluing
they oughtn't to have been overvaluing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overvalue?
ought to you overvalue?
ought to he overvalue?
ought to we overvalue?
ought to you overvalue?
ought to they overvalue? 	ought to I be overvaluing?
ought to you be overvaluing?
ought to he be overvaluing?
ought to we be overvaluing?
ought to you be overvaluing?
ought to they be overvaluing? 	ought to I have overvalued?
ought to you have overvalued?
ought to he have overvalued?
ought to we have overvalued?
ought to you have overvalued?
ought to they have overvalued? 	ought to I have been overvaluing?
ought to you have been overvaluing?
ought to he have been overvaluing?
ought to we have been overvaluing?
ought to you have been overvaluing?
ought to they have been overvaluing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to overvalue?
oughtn't you to overvalue?
oughtn't he to overvalue?
oughtn't we to overvalue?
oughtn't you to overvalue?
oughtn't they to overvalue? 	oughtn't I to be overvaluing?
oughtn't you to be overvaluing?
oughtn't he to be overvaluing?
oughtn't we to be overvaluing?
oughtn't you to be overvaluing?
oughtn't they to be overvaluing? 	oughtn't I to have overvalued?
oughtn't you to have overvalued?
oughtn't he to have overvalued?
oughtn't we to have overvalued?
oughtn't you to have overvalued?
oughtn't they to have overvalued? 	oughtn't I to have been overvaluing?
oughtn't you to have been overvaluing?
oughtn't he to have been overvaluing?
oughtn't we to have been overvaluing?
oughtn't you to have been overvaluing?
oughtn't they to have been overvaluing?