English verb conjugation
SHOULD TUNE

Regular verb: tune - tuned - tuned

Affirmation

Simple form	V-ing form
I'd tune you'd tune she'd tune we'd tune you'd tune they'd tune	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
should I tune? should you tune? should she tune? should we tune? should you tune? should they tune?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?