should obscure
Regular verb: obscure - obscured- obscured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should obscure
you should obscure
she should obscure
we should obscure
you should obscure
they should obscure 	I should be obscuring
you should be obscuring
she should be obscuring
we should be obscuring
you should be obscuring
they should be obscuring	I should have obscured
you should have obscured
she should have obscured
we should have obscured
you should have obscured
they should have obscured	I should have been obscuring
you should have been obscuring
she should have been obscuring
we should have been obscuring
you should have been obscuring
they should have been obscuring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not obscure
you should not obscure
she should not obscure
we should not obscure
you should not obscure
they should not obscure 	I should not be obscuring
you should not be obscuring
she should not be obscuring
we should not be obscuring
you should not be obscuring
they should not be obscuring	I should not have obscured
you should not have obscured
she should not have obscured
we should not have obscured
you should not have obscured
they should not have obscured	I should not have been obscuring
you should not have been obscuring
she should not have been obscuring
we should not have been obscuring
you should not have been obscuring
they should not have been obscuring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I obscure?
should you obscure?
should she obscure?
should we obscure?
should you obscure?
should they obscure? 	should I be obscuring?
should you be obscuring?
should she be obscuring?
should we be obscuring?
should you be obscuring?
should they be obscuring? 	should I have obscured?
should you have obscured?
should she have obscured?
should we have obscured?
should you have obscured?
should they have obscured? 	should I have been obscuring?
should you have been obscuring?
should she have been obscuring?
should we have been obscuring?
should you have been obscuring?
should they have been obscuring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not obscure?
should you not obscure?
should she not obscure?
should we not obscure?
should you not obscure?
should they not obscure? 	should I not be obscuring?
should you not be obscuring?
should she not be obscuring?
should we not be obscuring?
should you not be obscuring?
should they not be obscuring? 	should I not have obscured?
should you not have obscured?
should she not have obscured?
should we not have obscured?
should you not have obscured?
should they not have obscured? 	should I not have been obscuring?
should you not have been obscuring?
should she not have been obscuring?
should we not have been obscuring?
should you not have been obscuring?
should they not have been obscuring?