I'd be tuning you'd be tuning she'd be tuning we'd be tuning you'd be tuning they'd be tuning
Perfect
I should've tuned you should've tuned she should've tuned we should've tuned you should've tuned they should've tuned
V-ing perfect
I should've been tuning you should've been tuning she should've been tuning we should've been tuning you should've been tuning they should've been tuning
Negation
Simple form
I shouldn't tune you shouldn't tune she shouldn't tune we shouldn't tune you shouldn't tune they shouldn't tune
V-ing form
I shouldn't be tuning you shouldn't be tuning she shouldn't be tuning we shouldn't be tuning you shouldn't be tuning they shouldn't be tuning
Perfect
I shouldn't have tuned you shouldn't have tuned she shouldn't have tuned we shouldn't have tuned you shouldn't have tuned they shouldn't have tuned
V-ing perfect
I shouldn't have been tuning you shouldn't have been tuning she shouldn't have been tuning we shouldn't have been tuning you shouldn't have been tuning they shouldn't have been tuning
Interrogative form
Simple form
should I tune? should you tune? should she tune? should we tune? should you tune? should they tune?
V-ing form
should I be tuning? should you be tuning? should she be tuning? should we be tuning? should you be tuning? should they be tuning?
Perfect
should I have tuned? should you have tuned? should she have tuned? should we have tuned? should you have tuned? should they have tuned?
V-ing perfect
should I have been tuning? should you have been tuning? should she have been tuning? should we have been tuning? should you have been tuning? should they have been tuning?
Interro-negative form
Simple form
shouldn't I tune? shouldn't you tune? shouldn't she tune? shouldn't we tune? shouldn't you tune? shouldn't they tune?
V-ing form
shouldn't I be tuning? shouldn't you be tuning? shouldn't she be tuning? shouldn't we be tuning? shouldn't you be tuning? shouldn't they be tuning?
Perfect
shouldn't I have tuned? shouldn't you have tuned? shouldn't she have tuned? shouldn't we have tuned? shouldn't you have tuned? shouldn't they have tuned?
V-ing perfect
shouldn't I have been tuning? shouldn't you have been tuning? shouldn't she have been tuning? shouldn't we have been tuning? shouldn't you have been tuning? shouldn't they have been tuning?