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