ought to deduce
Regular verb: deduce - deduced- deduced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to deduce
you ought to deduce
she ought to deduce
we ought to deduce
you ought to deduce
they ought to deduce 	I ought to be deducing
you ought to be deducing
she ought to be deducing
we ought to be deducing
you ought to be deducing
they ought to be deducing	I ought to have deduced
you ought to have deduced
she ought to have deduced
we ought to have deduced
you ought to have deduced
they ought to have deduced	I ought to have been deducing
you ought to have been deducing
she ought to have been deducing
we ought to have been deducing
you ought to have been deducing
they ought to have been deducing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to deduce
you oughtn't to deduce
she oughtn't to deduce
we oughtn't to deduce
you oughtn't to deduce
they oughtn't to deduce 	I oughtn't to be deducing
you oughtn't to be deducing
she oughtn't to be deducing
we oughtn't to be deducing
you oughtn't to be deducing
they oughtn't to be deducing	I oughtn't to have deduced
you oughtn't to have deduced
she oughtn't to have deduced
we oughtn't to have deduced
you oughtn't to have deduced
they oughtn't to have deduced	I oughtn't to have been deducing
you oughtn't to have been deducing
she oughtn't to have been deducing
we oughtn't to have been deducing
you oughtn't to have been deducing
they oughtn't to have been deducing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I deduce?
ought to you deduce?
ought to she deduce?
ought to we deduce?
ought to you deduce?
ought to they deduce? 	ought to I be deducing?
ought to you be deducing?
ought to she be deducing?
ought to we be deducing?
ought to you be deducing?
ought to they be deducing? 	ought to I have deduced?
ought to you have deduced?
ought to she have deduced?
ought to we have deduced?
ought to you have deduced?
ought to they have deduced? 	ought to I have been deducing?
ought to you have been deducing?
ought to she have been deducing?
ought to we have been deducing?
ought to you have been deducing?
ought to they have been deducing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to deduce?
oughtn't you to deduce?
oughtn't she to deduce?
oughtn't we to deduce?
oughtn't you to deduce?
oughtn't they to deduce? 	oughtn't I to be deducing?
oughtn't you to be deducing?
oughtn't she to be deducing?
oughtn't we to be deducing?
oughtn't you to be deducing?
oughtn't they to be deducing? 	oughtn't I to have deduced?
oughtn't you to have deduced?
oughtn't she to have deduced?
oughtn't we to have deduced?
oughtn't you to have deduced?
oughtn't they to have deduced? 	oughtn't I to have been deducing?
oughtn't you to have been deducing?
oughtn't she to have been deducing?
oughtn't we to have been deducing?
oughtn't you to have been deducing?
oughtn't they to have been deducing?