I should refute you should refute he should refute we should refute you should refute they should refute
V-ing form
I should be refuting you should be refuting he should be refuting we should be refuting you should be refuting they should be refuting
Perfect
I should have refuted you should have refuted he should have refuted we should have refuted you should have refuted they should have refuted
V-ing perfect
I should have been refuting you should have been refuting he should have been refuting we should have been refuting you should have been refuting they should have been refuting
Negation
Simple form
I should not refute you should not refute he should not refute we should not refute you should not refute they should not refute
V-ing form
I should not be refuting you should not be refuting he should not be refuting we should not be refuting you should not be refuting they should not be refuting
Perfect
I should not have refuted you should not have refuted he should not have refuted we should not have refuted you should not have refuted they should not have refuted
V-ing perfect
I should not have been refuting you should not have been refuting he should not have been refuting we should not have been refuting you should not have been refuting they should not have been refuting
Interrogative form
Simple form
should I refute? should you refute? should he refute? should we refute? should you refute? should they refute?
V-ing form
should I be refuting? should you be refuting? should he be refuting? should we be refuting? should you be refuting? should they be refuting?
Perfect
should I have refuted? should you have refuted? should he have refuted? should we have refuted? should you have refuted? should they have refuted?
V-ing perfect
should I have been refuting? should you have been refuting? should he have been refuting? should we have been refuting? should you have been refuting? should they have been refuting?
Interro-negative form
Simple form
should I not refute? should you not refute? should he not refute? should we not refute? should you not refute? should they not refute?
V-ing form
should I not be refuting? should you not be refuting? should he not be refuting? should we not be refuting? should you not be refuting? should they not be refuting?
Perfect
should I not have refuted? should you not have refuted? should he not have refuted? should we not have refuted? should you not have refuted? should they not have refuted?
V-ing perfect
should I not have been refuting? should you not have been refuting? should he not have been refuting? should we not have been refuting? should you not have been refuting? should they not have been refuting?