I should loo you should loo she should loo we should loo you should loo they should loo
V-ing form
I should be looing you should be looing she should be looing we should be looing you should be looing they should be looing
Perfect
I should have looed you should have looed she should have looed we should have looed you should have looed they should have looed
V-ing perfect
I should have been looing you should have been looing she should have been looing we should have been looing you should have been looing they should have been looing
Negation
Simple form
I should not loo you should not loo she should not loo we should not loo you should not loo they should not loo
V-ing form
I should not be looing you should not be looing she should not be looing we should not be looing you should not be looing they should not be looing
Perfect
I should not have looed you should not have looed she should not have looed we should not have looed you should not have looed they should not have looed
V-ing perfect
I should not have been looing you should not have been looing she should not have been looing we should not have been looing you should not have been looing they should not have been looing
Interrogative form
Simple form
should I loo? should you loo? should she loo? should we loo? should you loo? should they loo?
V-ing form
should I be looing? should you be looing? should she be looing? should we be looing? should you be looing? should they be looing?
Perfect
should I have looed? should you have looed? should she have looed? should we have looed? should you have looed? should they have looed?
V-ing perfect
should I have been looing? should you have been looing? should she have been looing? should we have been looing? should you have been looing? should they have been looing?
Interro-negative form
Simple form
should I not loo? should you not loo? should she not loo? should we not loo? should you not loo? should they not loo?
V-ing form
should I not be looing? should you not be looing? should she not be looing? should we not be looing? should you not be looing? should they not be looing?
Perfect
should I not have looed? should you not have looed? should she not have looed? should we not have looed? should you not have looed? should they not have looed?
V-ing perfect
should I not have been looing? should you not have been looing? should she not have been looing? should we not have been looing? should you not have been looing? should they not have been looing?