I should practice you should practice he should practice we should practice you should practice they should practice
V-ing form
I should be practicing you should be practicing he should be practicing we should be practicing you should be practicing they should be practicing
Perfect
I should have practiced you should have practiced he should have practiced we should have practiced you should have practiced they should have practiced
V-ing perfect
I should have been practicing you should have been practicing he should have been practicing we should have been practicing you should have been practicing they should have been practicing
Negation
Simple form
I should not practice you should not practice he should not practice we should not practice you should not practice they should not practice
V-ing form
I should not be practicing you should not be practicing he should not be practicing we should not be practicing you should not be practicing they should not be practicing
Perfect
I should not have practiced you should not have practiced he should not have practiced we should not have practiced you should not have practiced they should not have practiced
V-ing perfect
I should not have been practicing you should not have been practicing he should not have been practicing we should not have been practicing you should not have been practicing they should not have been practicing
Interrogative form
Simple form
should I practice? should you practice? should he practice? should we practice? should you practice? should they practice?
V-ing form
should I be practicing? should you be practicing? should he be practicing? should we be practicing? should you be practicing? should they be practicing?
Perfect
should I have practiced? should you have practiced? should he have practiced? should we have practiced? should you have practiced? should they have practiced?
V-ing perfect
should I have been practicing? should you have been practicing? should he have been practicing? should we have been practicing? should you have been practicing? should they have been practicing?
Interro-negative form
Simple form
should I not practice? should you not practice? should he not practice? should we not practice? should you not practice? should they not practice?
V-ing form
should I not be practicing? should you not be practicing? should he not be practicing? should we not be practicing? should you not be practicing? should they not be practicing?
Perfect
should I not have practiced? should you not have practiced? should he not have practiced? should we not have practiced? should you not have practiced? should they not have practiced?
V-ing perfect
should I not have been practicing? should you not have been practicing? should he not have been practicing? should we not have been practicing? should you not have been practicing? should they not have been practicing?