I should congress you should congress he should congress we should congress you should congress they should congress
V-ing form
I should be congressing you should be congressing he should be congressing we should be congressing you should be congressing they should be congressing
Perfect
I should have congressed you should have congressed he should have congressed we should have congressed you should have congressed they should have congressed
V-ing perfect
I should have been congressing you should have been congressing he should have been congressing we should have been congressing you should have been congressing they should have been congressing
Negation
Simple form
I should not congress you should not congress he should not congress we should not congress you should not congress they should not congress
V-ing form
I should not be congressing you should not be congressing he should not be congressing we should not be congressing you should not be congressing they should not be congressing
Perfect
I should not have congressed you should not have congressed he should not have congressed we should not have congressed you should not have congressed they should not have congressed
V-ing perfect
I should not have been congressing you should not have been congressing he should not have been congressing we should not have been congressing you should not have been congressing they should not have been congressing
Interrogative form
Simple form
should I congress? should you congress? should he congress? should we congress? should you congress? should they congress?
V-ing form
should I be congressing? should you be congressing? should he be congressing? should we be congressing? should you be congressing? should they be congressing?
Perfect
should I have congressed? should you have congressed? should he have congressed? should we have congressed? should you have congressed? should they have congressed?
V-ing perfect
should I have been congressing? should you have been congressing? should he have been congressing? should we have been congressing? should you have been congressing? should they have been congressing?
Interro-negative form
Simple form
should I not congress? should you not congress? should he not congress? should we not congress? should you not congress? should they not congress?
V-ing form
should I not be congressing? should you not be congressing? should he not be congressing? should we not be congressing? should you not be congressing? should they not be congressing?
Perfect
should I not have congressed? should you not have congressed? should he not have congressed? should we not have congressed? should you not have congressed? should they not have congressed?
V-ing perfect
should I not have been congressing? should you not have been congressing? should he not have been congressing? should we not have been congressing? should you not have been congressing? should they not have been congressing?