I'd be penning you'd be penning she'd be penning we'd be penning you'd be penning they'd be penning
Perfect
I should've penned you should've penned she 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 she 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 she 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 she 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 she 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 she 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 she pen? should we pen? should you pen? should they pen?
V-ing form
should I be penning? should you be penning? should she be penning? should we be penning? should you be penning? should they be penning?
Perfect
should I have penned? should you have penned? should she 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 she 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 she 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 she 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 she 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 she have been penning? shouldn't we have been penning? shouldn't you have been penning? shouldn't they have been penning?