should obsess
Regular verb: obsess - obsessed- obsessed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should obsess
you should obsess
he should obsess
we should obsess
you should obsess
they should obsess 	I should be obsessing
you should be obsessing
he should be obsessing
we should be obsessing
you should be obsessing
they should be obsessing	I should have obsessed
you should have obsessed
he should have obsessed
we should have obsessed
you should have obsessed
they should have obsessed	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 	V-ing form 	Perfect 	V-ing perfect 	
I should not obsess
you should not obsess
he should not obsess
we should not obsess
you should not obsess
they should not obsess 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
should I obsess?
should you obsess?
should he obsess?
should we obsess?
should you obsess?
should they obsess? 	should I be obsessing?
should you be obsessing?
should he be obsessing?
should we be obsessing?
should you be obsessing?
should they be obsessing? 	should I have obsessed?
should you have obsessed?
should he have obsessed?
should we have obsessed?
should you have obsessed?
should they have obsessed? 	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 	V-ing form 	Perfect 	V-ing perfect 	
should I not obsess?
should you not obsess?
should he not obsess?
should we not obsess?
should you not obsess?
should they not obsess? 	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? 	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? 	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?