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
he 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
he 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
he 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
he 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 ought not to compute
you ought not to compute
he ought not to compute
we ought not to compute
you ought not to compute
they ought not to compute 	I ought not to computing
you ought not to computing
he ought not to computing
we ought not to computing
you ought not to computing
they ought not to computing	I ought not to have computed
you ought not to have computed
he ought not to have computed
we ought not to have computed
you ought not to have computed
they ought not to have computed	I ought not to have been computing
you ought not to have been computing
he ought not to have been computing
we ought not to have been computing
you ought not to have been computing
they ought not 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 he 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 he 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 he 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 he 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 	
ought I not to compute?
ought you not to compute?
ought he not to compute?
ought we not to compute?
ought you not to compute?
ought they not to compute? 	ought I not to be computing?
ought you not to be computing?
ought he not to be computing?
ought we not to be computing?
ought you not to be computing?
ought they not to be computing? 	ought I not to have computed?
ought you not to have computed?
ought he not to have computed?
ought we not to have computed?
ought you not to have computed?
ought they not to have computed? 	ought I not to have been computing?
ought you not to have been computing?
ought he not to have been computing?
ought we not to have been computing?
ought you not to have been computing?
ought they not to have been computing?