I should criticize you should criticize he should criticize we should criticize you should criticize they should criticize
V-ing form
I should be criticizing you should be criticizing he should be criticizing we should be criticizing you should be criticizing they should be criticizing
Perfect
I should have criticized you should have criticized he should have criticized we should have criticized you should have criticized they should have criticized
V-ing perfect
I should have been criticizing you should have been criticizing he should have been criticizing we should have been criticizing you should have been criticizing they should have been criticizing
Negation
Simple form
I should not criticize you should not criticize he should not criticize we should not criticize you should not criticize they should not criticize
V-ing form
I should not be criticizing you should not be criticizing he should not be criticizing we should not be criticizing you should not be criticizing they should not be criticizing
Perfect
I should not have criticized you should not have criticized he should not have criticized we should not have criticized you should not have criticized they should not have criticized
V-ing perfect
I should not have been criticizing you should not have been criticizing he should not have been criticizing we should not have been criticizing you should not have been criticizing they should not have been criticizing
Interrogative form
Simple form
should I criticize? should you criticize? should he criticize? should we criticize? should you criticize? should they criticize?
V-ing form
should I be criticizing? should you be criticizing? should he be criticizing? should we be criticizing? should you be criticizing? should they be criticizing?
Perfect
should I have criticized? should you have criticized? should he have criticized? should we have criticized? should you have criticized? should they have criticized?
V-ing perfect
should I have been criticizing? should you have been criticizing? should he have been criticizing? should we have been criticizing? should you have been criticizing? should they have been criticizing?
Interro-negative form
Simple form
should I not criticize? should you not criticize? should he not criticize? should we not criticize? should you not criticize? should they not criticize?
V-ing form
should I not be criticizing? should you not be criticizing? should he not be criticizing? should we not be criticizing? should you not be criticizing? should they not be criticizing?
Perfect
should I not have criticized? should you not have criticized? should he not have criticized? should we not have criticized? should you not have criticized? should they not have criticized?
V-ing perfect
should I not have been criticizing? should you not have been criticizing? should he not have been criticizing? should we not have been criticizing? should you not have been criticizing? should they not have been criticizing?