should billboard
Verbo regular: billboard - billboarded- billboarded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should billboard
you should billboard
he should billboard
we should billboard
you should billboard
they should billboard 	I should be billboarding
you should be billboarding
he should be billboarding
we should be billboarding
you should be billboarding
they should be billboarding	I should have billboarded
you should have billboarded
he 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
he should have been billboarding
we should have been billboarding
you should have been billboarding
they should have been billboarding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not billboard
you should not billboard
he 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
he 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
he 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
he should not have been billboarding
we should not have been billboarding
you should not have been billboarding
they should not have been billboarding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I billboard?
should you billboard?
should he billboard?
should we billboard?
should you billboard?
should they billboard? 	should I be billboarding?
should you be billboarding?
should he be billboarding?
should we be billboarding?
should you be billboarding?
should they be billboarding? 	should I have billboarded?
should you have billboarded?
should he 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 he have been billboarding?
should we have been billboarding?
should you have been billboarding?
should they have been billboarding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not billboard?
should you not billboard?
should he 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 he 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 he 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 he not have been billboarding?
should we not have been billboarding?
should you not have been billboarding?
should they not have been billboarding?