I should author you should author he should author we should author you should author they should author
V-ing form
I should be authoring you should be authoring he should be authoring we should be authoring you should be authoring they should be authoring
Perfect
I should have authored you should have authored he should have authored we should have authored you should have authored they should have authored
V-ing perfect
I should have been authoring you should have been authoring he should have been authoring we should have been authoring you should have been authoring they should have been authoring
Negation
Simple form
I should not author you should not author he should not author we should not author you should not author they should not author
V-ing form
I should not be authoring you should not be authoring he should not be authoring we should not be authoring you should not be authoring they should not be authoring
Perfect
I should not have authored you should not have authored he should not have authored we should not have authored you should not have authored they should not have authored
V-ing perfect
I should not have been authoring you should not have been authoring he should not have been authoring we should not have been authoring you should not have been authoring they should not have been authoring
Interrogative form
Simple form
should I author? should you author? should he author? should we author? should you author? should they author?
V-ing form
should I be authoring? should you be authoring? should he be authoring? should we be authoring? should you be authoring? should they be authoring?
Perfect
should I have authored? should you have authored? should he have authored? should we have authored? should you have authored? should they have authored?
V-ing perfect
should I have been authoring? should you have been authoring? should he have been authoring? should we have been authoring? should you have been authoring? should they have been authoring?
Interro-negative form
Simple form
should I not author? should you not author? should he not author? should we not author? should you not author? should they not author?
V-ing form
should I not be authoring? should you not be authoring? should he not be authoring? should we not be authoring? should you not be authoring? should they not be authoring?
Perfect
should I not have authored? should you not have authored? should he not have authored? should we not have authored? should you not have authored? should they not have authored?
V-ing perfect
should I not have been authoring? should you not have been authoring? should he not have been authoring? should we not have been authoring? should you not have been authoring? should they not have been authoring?