I'd be barking you'd be barking he'd be barking we'd be barking you'd be barking they'd be barking
Perfect
I should've barked you should've barked he should've barked we should've barked you should've barked they should've barked
V-ing perfect
I should've been barking you should've been barking he should've been barking we should've been barking you should've been barking they should've been barking
Negation
Simple form
I shouldn't bark you shouldn't bark he shouldn't bark we shouldn't bark you shouldn't bark they shouldn't bark
V-ing form
I shouldn't be barking you shouldn't be barking he shouldn't be barking we shouldn't be barking you shouldn't be barking they shouldn't be barking
Perfect
I shouldn't have barked you shouldn't have barked he shouldn't have barked we shouldn't have barked you shouldn't have barked they shouldn't have barked
V-ing perfect
I shouldn't have been barking you shouldn't have been barking he 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
should I bark? should you bark? should he bark? should we bark? should you bark? should they bark?
V-ing form
should I be barking? should you be barking? should he be barking? should we be barking? should you be barking? should they be barking?
Perfect
should I have barked? should you have barked? should he have barked? should we have barked? should you have barked? should they have barked?
V-ing perfect
should I have been barking? should you have been barking? should he have been barking? should we have been barking? should you have been barking? should they have been barking?
Interro-negative form
Simple form
shouldn't I bark? shouldn't you bark? shouldn't he bark? shouldn't we bark? shouldn't you bark? shouldn't they bark?
V-ing form
shouldn't I be barking? shouldn't you be barking? shouldn't he be barking? shouldn't we be barking? shouldn't you be barking? shouldn't they be barking?
Perfect
shouldn't I have barked? shouldn't you have barked? shouldn't he have barked? shouldn't we have barked? shouldn't you have barked? shouldn't they have barked?
V-ing perfect
shouldn't I have been barking? shouldn't you have been barking? shouldn't he have been barking? shouldn't we have been barking? shouldn't you have been barking? shouldn't they have been barking?