English verb conjugation
SHOULD BILLBOARD

Regular verb: billboard - billboarded - billboarded

Affirmation

Simple form	V-ing form
I'd billboard you'd billboard he'd billboard we'd billboard you'd billboard they'd billboard	I'd be billboarding you'd be billboarding he'd be billboarding we'd be billboarding you'd be billboarding they'd be billboarding
Perfect	V-ing perfect
I should've billboarded you should've billboarded he should've billboarded we should've billboarded you should've billboarded they should've billboarded	I should've been billboarding you should've been billboarding he should've been billboarding we should've been billboarding you should've been billboarding they should've been billboarding

Negation

Simple form	V-ing form
I shouldn't billboard you shouldn't billboard he shouldn't billboard we shouldn't billboard you shouldn't billboard they shouldn't billboard	I shouldn't be billboarding you shouldn't be billboarding he shouldn't be billboarding we shouldn't be billboarding you shouldn't be billboarding they shouldn't be billboarding
Perfect	V-ing perfect
I shouldn't have billboarded you shouldn't have billboarded he shouldn't have billboarded we shouldn't have billboarded you shouldn't have billboarded they shouldn't have billboarded	I shouldn't have been billboarding you shouldn't have been billboarding he shouldn't have been billboarding we shouldn't have been billboarding you shouldn't have been billboarding they shouldn't have been billboarding

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
shouldn't I billboard? shouldn't you billboard? shouldn't he billboard? shouldn't we billboard? shouldn't you billboard? shouldn't they billboard?	shouldn't I be billboarding? shouldn't you be billboarding? shouldn't he be billboarding? shouldn't we be billboarding? shouldn't you be billboarding? shouldn't they be billboarding?
Perfect	V-ing perfect
shouldn't I have billboarded? shouldn't you have billboarded? shouldn't he have billboarded? shouldn't we have billboarded? shouldn't you have billboarded? shouldn't they have billboarded?	shouldn't I have been billboarding? shouldn't you have been billboarding? shouldn't he have been billboarding? shouldn't we have been billboarding? shouldn't you have been billboarding? shouldn't they have been billboarding?