ought to compute
Regular verb: compute - computed- computed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to compute
you ought to compute
she ought to compute
we ought to compute
you ought to compute
they ought to compute 	I ought to be computing
you ought to be computing
she ought to be computing
we ought to be computing
you ought to be computing
they ought to be computing	I ought to have computed
you ought to have computed
she ought to have computed
we ought to have computed
you ought to have computed
they ought to have computed	I ought to have been computing
you ought to have been computing
she ought to have been computing
we ought to have been computing
you ought to have been computing
they ought to have been computing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to compute
you oughtn't to compute
she oughtn't to compute
we oughtn't to compute
you oughtn't to compute
they oughtn't to compute 	I oughtn't to be computing
you oughtn't to be computing
she oughtn't to be computing
we oughtn't to be computing
you oughtn't to be computing
they oughtn't to be computing	I oughtn't to have computed
you oughtn't to have computed
she oughtn't to have computed
we oughtn't to have computed
you oughtn't to have computed
they oughtn't to have computed	I oughtn't to have been computing
you oughtn't to have been computing
she oughtn't to have been computing
we oughtn't to have been computing
you oughtn't to have been computing
they oughtn't to have been computing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I compute?
ought to you compute?
ought to she compute?
ought to we compute?
ought to you compute?
ought to they compute? 	ought to I be computing?
ought to you be computing?
ought to she be computing?
ought to we be computing?
ought to you be computing?
ought to they be computing? 	ought to I have computed?
ought to you have computed?
ought to she have computed?
ought to we have computed?
ought to you have computed?
ought to they have computed? 	ought to I have been computing?
ought to you have been computing?
ought to she have been computing?
ought to we have been computing?
ought to you have been computing?
ought to they have been computing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to compute?
oughtn't you to compute?
oughtn't she to compute?
oughtn't we to compute?
oughtn't you to compute?
oughtn't they to compute? 	oughtn't I to be computing?
oughtn't you to be computing?
oughtn't she to be computing?
oughtn't we to be computing?
oughtn't you to be computing?
oughtn't they to be computing? 	oughtn't I to have computed?
oughtn't you to have computed?
oughtn't she to have computed?
oughtn't we to have computed?
oughtn't you to have computed?
oughtn't they to have computed? 	oughtn't I to have been computing?
oughtn't you to have been computing?
oughtn't she to have been computing?
oughtn't we to have been computing?
oughtn't you to have been computing?
oughtn't they to have been computing?