English verb conjugation
SHOULD BARK

Regular verb: bark - barked - barked

Affirmation

Simple form	V-ing form
I'd bark you'd bark she'd bark we'd bark you'd bark they'd bark	I'd be barking you'd be barking she'd be barking we'd be barking you'd be barking they'd be barking
Perfect	V-ing perfect
I should've barked you should've barked she should've barked we should've barked you should've barked they should've barked	I should've been barking you should've been barking she should've been barking we should've been barking you should've been barking they should've been barking

Negation

Simple form	V-ing form
I shouldn't bark you shouldn't bark she shouldn't bark we shouldn't bark you shouldn't bark they shouldn't bark	I shouldn't be barking you shouldn't be barking she shouldn't be barking we shouldn't be barking you shouldn't be barking they shouldn't be barking
Perfect	V-ing perfect
I shouldn't have barked you shouldn't have barked she shouldn't have barked we shouldn't have barked you shouldn't have barked they shouldn't have barked	I shouldn't have been barking you shouldn't have been barking she shouldn't have been barking we shouldn't have been barking you shouldn't have been barking they shouldn't have been barking

Interrogative form

Simple form	V-ing form
should I bark? should you bark? should she bark? should we bark? should you bark? should they bark?	should I be barking? should you be barking? should she be barking? should we be barking? should you be barking? should they be barking?
Perfect	V-ing perfect
should I have barked? should you have barked? should she have barked? should we have barked? should you have barked? should they have barked?	should I have been barking? should you have been barking? should she have been barking? should we have been barking? should you have been barking? should they have been barking?

Interro-negative form

Simple form	V-ing form
shouldn't I bark? shouldn't you bark? shouldn't she bark? shouldn't we bark? shouldn't you bark? shouldn't they bark?	shouldn't I be barking? shouldn't you be barking? shouldn't she be barking? shouldn't we be barking? shouldn't you be barking? shouldn't they be barking?
Perfect	V-ing perfect
shouldn't I have barked? shouldn't you have barked? shouldn't she have barked? shouldn't we have barked? shouldn't you have barked? shouldn't they have barked?	shouldn't I have been barking? shouldn't you have been barking? shouldn't she have been barking? shouldn't we have been barking? shouldn't you have been barking? shouldn't they have been barking?