should billboard
Regular verb: billboard - billboarded- billboarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should billboard
you should billboard
she should billboard
we should billboard
you should billboard
they should billboard 	I should be billboarding
you should be billboarding
she should be billboarding
we should be billboarding
you should be billboarding
they should be billboarding	I should have billboarded
you should have billboarded
she should have billboarded
we should have billboarded
you should have billboarded
they should have billboarded	I should have been billboarding
you should have been billboarding
she should have been billboarding
we should have been billboarding
you should have been billboarding
they should have been billboarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not billboard
you should not billboard
she should not billboard
we should not billboard
you should not billboard
they should not billboard 	I should not be billboarding
you should not be billboarding
she should not be billboarding
we should not be billboarding
you should not be billboarding
they should not be billboarding	I should not have billboarded
you should not have billboarded
she should not have billboarded
we should not have billboarded
you should not have billboarded
they should not have billboarded	I should not have been billboarding
you should not have been billboarding
she should not have been billboarding
we should not have been billboarding
you should not have been billboarding
they should not have been billboarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I billboard?
should you billboard?
should she billboard?
should we billboard?
should you billboard?
should they billboard? 	should I be billboarding?
should you be billboarding?
should she be billboarding?
should we be billboarding?
should you be billboarding?
should they be billboarding? 	should I have billboarded?
should you have billboarded?
should she have billboarded?
should we have billboarded?
should you have billboarded?
should they have billboarded? 	should I have been billboarding?
should you have been billboarding?
should she have been billboarding?
should we have been billboarding?
should you have been billboarding?
should they have been billboarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not billboard?
should you not billboard?
should she not billboard?
should we not billboard?
should you not billboard?
should they not billboard? 	should I not be billboarding?
should you not be billboarding?
should she not be billboarding?
should we not be billboarding?
should you not be billboarding?
should they not be billboarding? 	should I not have billboarded?
should you not have billboarded?
should she not have billboarded?
should we not have billboarded?
should you not have billboarded?
should they not have billboarded? 	should I not have been billboarding?
should you not have been billboarding?
should she not have been billboarding?
should we not have been billboarding?
should you not have been billboarding?
should they not have been billboarding?