ought to devalue
Regular verb: devalue - devalued- devalued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to devalue
you ought to devalue
he ought to devalue
we ought to devalue
you ought to devalue
they ought to devalue 	I ought to be devaluing
you ought to be devaluing
he ought to be devaluing
we ought to be devaluing
you ought to be devaluing
they ought to be devaluing	I ought to have devalued
you ought to have devalued
he ought to have devalued
we ought to have devalued
you ought to have devalued
they ought to have devalued	I ought to have been devaluing
you ought to have been devaluing
he ought to have been devaluing
we ought to have been devaluing
you ought to have been devaluing
they ought to have been devaluing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to devalue
you oughtn't to devalue
he oughtn't to devalue
we oughtn't to devalue
you oughtn't to devalue
they oughtn't to devalue 	I oughtn't to be devaluing
you oughtn't to be devaluing
he oughtn't to be devaluing
we oughtn't to be devaluing
you oughtn't to be devaluing
they oughtn't to be devaluing	I oughtn't to have devalued
you oughtn't to have devalued
he oughtn't to have devalued
we oughtn't to have devalued
you oughtn't to have devalued
they oughtn't to have devalued	I oughtn't to have been devaluing
you oughtn't to have been devaluing
he oughtn't to have been devaluing
we oughtn't to have been devaluing
you oughtn't to have been devaluing
they oughtn't to have been devaluing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I devalue?
ought to you devalue?
ought to he devalue?
ought to we devalue?
ought to you devalue?
ought to they devalue? 	ought to I be devaluing?
ought to you be devaluing?
ought to he be devaluing?
ought to we be devaluing?
ought to you be devaluing?
ought to they be devaluing? 	ought to I have devalued?
ought to you have devalued?
ought to he have devalued?
ought to we have devalued?
ought to you have devalued?
ought to they have devalued? 	ought to I have been devaluing?
ought to you have been devaluing?
ought to he have been devaluing?
ought to we have been devaluing?
ought to you have been devaluing?
ought to they have been devaluing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to devalue?
oughtn't you to devalue?
oughtn't he to devalue?
oughtn't we to devalue?
oughtn't you to devalue?
oughtn't they to devalue? 	oughtn't I to be devaluing?
oughtn't you to be devaluing?
oughtn't he to be devaluing?
oughtn't we to be devaluing?
oughtn't you to be devaluing?
oughtn't they to be devaluing? 	oughtn't I to have devalued?
oughtn't you to have devalued?
oughtn't he to have devalued?
oughtn't we to have devalued?
oughtn't you to have devalued?
oughtn't they to have devalued? 	oughtn't I to have been devaluing?
oughtn't you to have been devaluing?
oughtn't he to have been devaluing?
oughtn't we to have been devaluing?
oughtn't you to have been devaluing?
oughtn't they to have been devaluing?