ought to precess
Regular verb: precess - precessed- precessed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to precess
you ought to precess
he ought to precess
we ought to precess
you ought to precess
they ought to precess 	I ought to be precessing
you ought to be precessing
he ought to be precessing
we ought to be precessing
you ought to be precessing
they ought to be precessing	I ought to have precessed
you ought to have precessed
he ought to have precessed
we ought to have precessed
you ought to have precessed
they ought to have precessed	I ought to have been precessing
you ought to have been precessing
he ought to have been precessing
we ought to have been precessing
you ought to have been precessing
they ought to have been precessing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to precess
you ought not to precess
he ought not to precess
we ought not to precess
you ought not to precess
they ought not to precess 	I ought not to precessing
you ought not to precessing
he ought not to precessing
we ought not to precessing
you ought not to precessing
they ought not to precessing	I ought not to have precessed
you ought not to have precessed
he ought not to have precessed
we ought not to have precessed
you ought not to have precessed
they ought not to have precessed	I ought not to have been precessing
you ought not to have been precessing
he ought not to have been precessing
we ought not to have been precessing
you ought not to have been precessing
they ought not to have been precessing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I precess?
ought to you precess?
ought to he precess?
ought to we precess?
ought to you precess?
ought to they precess? 	ought to I be precessing?
ought to you be precessing?
ought to he be precessing?
ought to we be precessing?
ought to you be precessing?
ought to they be precessing? 	ought to I have precessed?
ought to you have precessed?
ought to he have precessed?
ought to we have precessed?
ought to you have precessed?
ought to they have precessed? 	ought to I have been precessing?
ought to you have been precessing?
ought to he have been precessing?
ought to we have been precessing?
ought to you have been precessing?
ought to they have been precessing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to precess?
ought you not to precess?
ought he not to precess?
ought we not to precess?
ought you not to precess?
ought they not to precess? 	ought I not to be precessing?
ought you not to be precessing?
ought he not to be precessing?
ought we not to be precessing?
ought you not to be precessing?
ought they not to be precessing? 	ought I not to have precessed?
ought you not to have precessed?
ought he not to have precessed?
ought we not to have precessed?
ought you not to have precessed?
ought they not to have precessed? 	ought I not to have been precessing?
ought you not to have been precessing?
ought he not to have been precessing?
ought we not to have been precessing?
ought you not to have been precessing?
ought they not to have been precessing?