I should erect you should erect he should erect we should erect you should erect they should erect
V-ing form
I should be erecting you should be erecting he should be erecting we should be erecting you should be erecting they should be erecting
Perfect
I should have erected you should have erected he should have erected we should have erected you should have erected they should have erected
V-ing perfect
I should have been erecting you should have been erecting he should have been erecting we should have been erecting you should have been erecting they should have been erecting
Negation
Simple form
I should not erect you should not erect he should not erect we should not erect you should not erect they should not erect
V-ing form
I should not be erecting you should not be erecting he should not be erecting we should not be erecting you should not be erecting they should not be erecting
Perfect
I should not have erected you should not have erected he should not have erected we should not have erected you should not have erected they should not have erected
V-ing perfect
I should not have been erecting you should not have been erecting he should not have been erecting we should not have been erecting you should not have been erecting they should not have been erecting
Interrogative form
Simple form
should I erect? should you erect? should he erect? should we erect? should you erect? should they erect?
V-ing form
should I be erecting? should you be erecting? should he be erecting? should we be erecting? should you be erecting? should they be erecting?
Perfect
should I have erected? should you have erected? should he have erected? should we have erected? should you have erected? should they have erected?
V-ing perfect
should I have been erecting? should you have been erecting? should he have been erecting? should we have been erecting? should you have been erecting? should they have been erecting?
Interro-negative form
Simple form
should I not erect? should you not erect? should he not erect? should we not erect? should you not erect? should they not erect?
V-ing form
should I not be erecting? should you not be erecting? should he not be erecting? should we not be erecting? should you not be erecting? should they not be erecting?
Perfect
should I not have erected? should you not have erected? should he not have erected? should we not have erected? should you not have erected? should they not have erected?
V-ing perfect
should I not have been erecting? should you not have been erecting? should he not have been erecting? should we not have been erecting? should you not have been erecting? should they not have been erecting?