ought to obsolesce
Regular verb: obsolesce - obsolesced- obsolesced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to obsolesce
you ought to obsolesce
he ought to obsolesce
we ought to obsolesce
you ought to obsolesce
they ought to obsolesce 	I ought to be obsolescing
you ought to be obsolescing
he ought to be obsolescing
we ought to be obsolescing
you ought to be obsolescing
they ought to be obsolescing	I ought to have obsolesced
you ought to have obsolesced
he ought to have obsolesced
we ought to have obsolesced
you ought to have obsolesced
they ought to have obsolesced	I ought to have been obsolescing
you ought to have been obsolescing
he ought to have been obsolescing
we ought to have been obsolescing
you ought to have been obsolescing
they ought to have been obsolescing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to obsolesce
you ought not to obsolesce
he ought not to obsolesce
we ought not to obsolesce
you ought not to obsolesce
they ought not to obsolesce 	I ought not to obsolescing
you ought not to obsolescing
he ought not to obsolescing
we ought not to obsolescing
you ought not to obsolescing
they ought not to obsolescing	I ought not to have obsolesced
you ought not to have obsolesced
he ought not to have obsolesced
we ought not to have obsolesced
you ought not to have obsolesced
they ought not to have obsolesced	I ought not to have been obsolescing
you ought not to have been obsolescing
he ought not to have been obsolescing
we ought not to have been obsolescing
you ought not to have been obsolescing
they ought not to have been obsolescing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I obsolesce?
ought to you obsolesce?
ought to he obsolesce?
ought to we obsolesce?
ought to you obsolesce?
ought to they obsolesce? 	ought to I be obsolescing?
ought to you be obsolescing?
ought to he be obsolescing?
ought to we be obsolescing?
ought to you be obsolescing?
ought to they be obsolescing? 	ought to I have obsolesced?
ought to you have obsolesced?
ought to he have obsolesced?
ought to we have obsolesced?
ought to you have obsolesced?
ought to they have obsolesced? 	ought to I have been obsolescing?
ought to you have been obsolescing?
ought to he have been obsolescing?
ought to we have been obsolescing?
ought to you have been obsolescing?
ought to they have been obsolescing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to obsolesce?
ought you not to obsolesce?
ought he not to obsolesce?
ought we not to obsolesce?
ought you not to obsolesce?
ought they not to obsolesce? 	ought I not to be obsolescing?
ought you not to be obsolescing?
ought he not to be obsolescing?
ought we not to be obsolescing?
ought you not to be obsolescing?
ought they not to be obsolescing? 	ought I not to have obsolesced?
ought you not to have obsolesced?
ought he not to have obsolesced?
ought we not to have obsolesced?
ought you not to have obsolesced?
ought they not to have obsolesced? 	ought I not to have been obsolescing?
ought you not to have been obsolescing?
ought he not to have been obsolescing?
ought we not to have been obsolescing?
ought you not to have been obsolescing?
ought they not to have been obsolescing?