English verb conjugation
SHOULD TUN

Regular verb: tun - tuned - tuned

Affirmation

Simple form	V-ing form
I'd tun you'd tun he'd tun we'd tun you'd tun they'd tun	I'd be tuning you'd be tuning he'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 he 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 he 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 tun you shouldn't tun he shouldn't tun we shouldn't tun you shouldn't tun they shouldn't tun	I shouldn't be tuning you shouldn't be tuning he 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 he 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 he 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 tun? should you tun? should he tun? should we tun? should you tun? should they tun?	should I be tuning? should you be tuning? should he 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 he 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 he 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 tun? shouldn't you tun? shouldn't he tun? shouldn't we tun? shouldn't you tun? shouldn't they tun?	shouldn't I be tuning? shouldn't you be tuning? shouldn't he 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 he 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 he have been tuning? shouldn't we have been tuning? shouldn't you have been tuning? shouldn't they have been tuning?