English verb conjugation
SHOULD TUN

Regular verb: tun - tuned - tuned

Affirmation

Simple form	V-ing form
I should tun you should tun he should tun we should tun you should tun they should tun	I should be tuning you should be tuning he should be tuning we should be tuning you should be tuning they should be tuning
Perfect	V-ing perfect
I should have tuned you should have tuned he should have tuned we should have tuned you should have tuned they should have tuned	I should have been tuning you should have been tuning he should have been tuning we should have been tuning you should have been tuning they should have been tuning

Negation

Simple form	V-ing form
I should not tun you should not tun he should not tun we should not tun you should not tun they should not tun	I should not be tuning you should not be tuning he should not be tuning we should not be tuning you should not be tuning they should not be tuning
Perfect	V-ing perfect
I should not have tuned you should not have tuned he should not have tuned we should not have tuned you should not have tuned they should not have tuned	I should not have been tuning you should not have been tuning he should not have been tuning we should not have been tuning you should not have been tuning they should not 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
should I not tun? should you not tun? should he not tun? should we not tun? should you not tun? should they not tun?	should I not be tuning? should you not be tuning? should he not be tuning? should we not be tuning? should you not be tuning? should they not be tuning?
Perfect	V-ing perfect
should I not have tuned? should you not have tuned? should he not have tuned? should we not have tuned? should you not have tuned? should they not have tuned?	should I not have been tuning? should you not have been tuning? should he not have been tuning? should we not have been tuning? should you not have been tuning? should they not have been tuning?