ought to obsess
Regular verb: obsess - obsessed- obsessed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to obsess
you ought to obsess
she ought to obsess
we ought to obsess
you ought to obsess
they ought to obsess 	I ought to be obsessing
you ought to be obsessing
she ought to be obsessing
we ought to be obsessing
you ought to be obsessing
they ought to be obsessing	I ought to have obsessed
you ought to have obsessed
she ought to have obsessed
we ought to have obsessed
you ought to have obsessed
they ought to have obsessed	I ought to have been obsessing
you ought to have been obsessing
she ought to have been obsessing
we ought to have been obsessing
you ought to have been obsessing
they ought to have been obsessing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to obsess
you ought not to obsess
she ought not to obsess
we ought not to obsess
you ought not to obsess
they ought not to obsess 	I ought not to obsessing
you ought not to obsessing
she ought not to obsessing
we ought not to obsessing
you ought not to obsessing
they ought not to obsessing	I ought not to have obsessed
you ought not to have obsessed
she ought not to have obsessed
we ought not to have obsessed
you ought not to have obsessed
they ought not to have obsessed	I ought not to have been obsessing
you ought not to have been obsessing
she ought not to have been obsessing
we ought not to have been obsessing
you ought not to have been obsessing
they ought not to have been obsessing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I obsess?
ought to you obsess?
ought to she obsess?
ought to we obsess?
ought to you obsess?
ought to they obsess? 	ought to I be obsessing?
ought to you be obsessing?
ought to she be obsessing?
ought to we be obsessing?
ought to you be obsessing?
ought to they be obsessing? 	ought to I have obsessed?
ought to you have obsessed?
ought to she have obsessed?
ought to we have obsessed?
ought to you have obsessed?
ought to they have obsessed? 	ought to I have been obsessing?
ought to you have been obsessing?
ought to she have been obsessing?
ought to we have been obsessing?
ought to you have been obsessing?
ought to they have been obsessing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to obsess?
ought you not to obsess?
ought she not to obsess?
ought we not to obsess?
ought you not to obsess?
ought they not to obsess? 	ought I not to be obsessing?
ought you not to be obsessing?
ought she not to be obsessing?
ought we not to be obsessing?
ought you not to be obsessing?
ought they not to be obsessing? 	ought I not to have obsessed?
ought you not to have obsessed?
ought she not to have obsessed?
ought we not to have obsessed?
ought you not to have obsessed?
ought they not to have obsessed? 	ought I not to have been obsessing?
ought you not to have been obsessing?
ought she not to have been obsessing?
ought we not to have been obsessing?
ought you not to have been obsessing?
ought they not to have been obsessing?