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