I'd barn you'd barn he'd barn we'd barn you'd barn they'd barn
V-ing form
I'd be barning you'd be barning he'd be barning we'd be barning you'd be barning they'd be barning
Perfect
I should've barned you should've barned he should've barned we should've barned you should've barned they should've barned
V-ing perfect
I should've been barning you should've been barning he should've been barning we should've been barning you should've been barning they should've been barning
Negation
Simple form
I shouldn't barn you shouldn't barn he shouldn't barn we shouldn't barn you shouldn't barn they shouldn't barn
V-ing form
I shouldn't be barning you shouldn't be barning he shouldn't be barning we shouldn't be barning you shouldn't be barning they shouldn't be barning
Perfect
I shouldn't have barned you shouldn't have barned he shouldn't have barned we shouldn't have barned you shouldn't have barned they shouldn't have barned
V-ing perfect
I shouldn't have been barning you shouldn't have been barning he shouldn't have been barning we shouldn't have been barning you shouldn't have been barning they shouldn't have been barning
Interrogative form
Simple form
should I barn? should you barn? should he barn? should we barn? should you barn? should they barn?
V-ing form
should I be barning? should you be barning? should he be barning? should we be barning? should you be barning? should they be barning?
Perfect
should I have barned? should you have barned? should he have barned? should we have barned? should you have barned? should they have barned?
V-ing perfect
should I have been barning? should you have been barning? should he have been barning? should we have been barning? should you have been barning? should they have been barning?
Interro-negative form
Simple form
shouldn't I barn? shouldn't you barn? shouldn't he barn? shouldn't we barn? shouldn't you barn? shouldn't they barn?
V-ing form
shouldn't I be barning? shouldn't you be barning? shouldn't he be barning? shouldn't we be barning? shouldn't you be barning? shouldn't they be barning?
Perfect
shouldn't I have barned? shouldn't you have barned? shouldn't he have barned? shouldn't we have barned? shouldn't you have barned? shouldn't they have barned?
V-ing perfect
shouldn't I have been barning? shouldn't you have been barning? shouldn't he have been barning? shouldn't we have been barning? shouldn't you have been barning? shouldn't they have been barning?