I should obsess you should obsess he should obsess we should obsess you should obsess they should obsess
V-ing form
I should be obsessing you should be obsessing he should be obsessing we should be obsessing you should be obsessing they should be obsessing
Perfect
I should have obsessed you should have obsessed he should have obsessed we should have obsessed you should have obsessed they should have obsessed
V-ing perfect
I should have been obsessing you should have been obsessing he should have been obsessing we should have been obsessing you should have been obsessing they should have been obsessing
Negation
Simple form
I should not obsess you should not obsess he should not obsess we should not obsess you should not obsess they should not obsess
V-ing form
I should not be obsessing you should not be obsessing he should not be obsessing we should not be obsessing you should not be obsessing they should not be obsessing
Perfect
I should not have obsessed you should not have obsessed he should not have obsessed we should not have obsessed you should not have obsessed they should not have obsessed
V-ing perfect
I should not have been obsessing you should not have been obsessing he should not have been obsessing we should not have been obsessing you should not have been obsessing they should not have been obsessing
Interrogative form
Simple form
should I obsess? should you obsess? should he obsess? should we obsess? should you obsess? should they obsess?
V-ing form
should I be obsessing? should you be obsessing? should he be obsessing? should we be obsessing? should you be obsessing? should they be obsessing?
Perfect
should I have obsessed? should you have obsessed? should he have obsessed? should we have obsessed? should you have obsessed? should they have obsessed?
V-ing perfect
should I have been obsessing? should you have been obsessing? should he have been obsessing? should we have been obsessing? should you have been obsessing? should they have been obsessing?
Interro-negative form
Simple form
should I not obsess? should you not obsess? should he not obsess? should we not obsess? should you not obsess? should they not obsess?
V-ing form
should I not be obsessing? should you not be obsessing? should he not be obsessing? should we not be obsessing? should you not be obsessing? should they not be obsessing?
Perfect
should I not have obsessed? should you not have obsessed? should he not have obsessed? should we not have obsessed? should you not have obsessed? should they not have obsessed?
V-ing perfect
should I not have been obsessing? should you not have been obsessing? should he not have been obsessing? should we not have been obsessing? should you not have been obsessing? should they not have been obsessing?