I should stay you should stay he should stay we should stay you should stay they should stay
V-ing form
I should be staying you should be staying he should be staying we should be staying you should be staying they should be staying
Perfect
I should have stayed you should have stayed he should have stayed we should have stayed you should have stayed they should have stayed
V-ing perfect
I should have been staying you should have been staying he should have been staying we should have been staying you should have been staying they should have been staying
Negation
Simple form
I should not stay you should not stay he should not stay we should not stay you should not stay they should not stay
V-ing form
I should not be staying you should not be staying he should not be staying we should not be staying you should not be staying they should not be staying
Perfect
I should not have stayed you should not have stayed he should not have stayed we should not have stayed you should not have stayed they should not have stayed
V-ing perfect
I should not have been staying you should not have been staying he should not have been staying we should not have been staying you should not have been staying they should not have been staying
Interrogative form
Simple form
should I stay? should you stay? should he stay? should we stay? should you stay? should they stay?
V-ing form
should I be staying? should you be staying? should he be staying? should we be staying? should you be staying? should they be staying?
Perfect
should I have stayed? should you have stayed? should he have stayed? should we have stayed? should you have stayed? should they have stayed?
V-ing perfect
should I have been staying? should you have been staying? should he have been staying? should we have been staying? should you have been staying? should they have been staying?
Interro-negative form
Simple form
should I not stay? should you not stay? should he not stay? should we not stay? should you not stay? should they not stay?
V-ing form
should I not be staying? should you not be staying? should he not be staying? should we not be staying? should you not be staying? should they not be staying?
Perfect
should I not have stayed? should you not have stayed? should he not have stayed? should we not have stayed? should you not have stayed? should they not have stayed?
V-ing perfect
should I not have been staying? should you not have been staying? should he not have been staying? should we not have been staying? should you not have been staying? should they not have been staying?