I should blush you should blush she should blush we should blush you should blush they should blush
V-ing form
I should be blushing you should be blushing she should be blushing we should be blushing you should be blushing they should be blushing
Perfect
I should have blushed you should have blushed she should have blushed we should have blushed you should have blushed they should have blushed
V-ing perfect
I should have been blushing you should have been blushing she should have been blushing we should have been blushing you should have been blushing they should have been blushing
Negation
Simple form
I should not blush you should not blush she should not blush we should not blush you should not blush they should not blush
V-ing form
I should not be blushing you should not be blushing she should not be blushing we should not be blushing you should not be blushing they should not be blushing
Perfect
I should not have blushed you should not have blushed she should not have blushed we should not have blushed you should not have blushed they should not have blushed
V-ing perfect
I should not have been blushing you should not have been blushing she should not have been blushing we should not have been blushing you should not have been blushing they should not have been blushing
Interrogative form
Simple form
should I blush? should you blush? should she blush? should we blush? should you blush? should they blush?
V-ing form
should I be blushing? should you be blushing? should she be blushing? should we be blushing? should you be blushing? should they be blushing?
Perfect
should I have blushed? should you have blushed? should she have blushed? should we have blushed? should you have blushed? should they have blushed?
V-ing perfect
should I have been blushing? should you have been blushing? should she have been blushing? should we have been blushing? should you have been blushing? should they have been blushing?
Interro-negative form
Simple form
should I not blush? should you not blush? should she not blush? should we not blush? should you not blush? should they not blush?
V-ing form
should I not be blushing? should you not be blushing? should she not be blushing? should we not be blushing? should you not be blushing? should they not be blushing?
Perfect
should I not have blushed? should you not have blushed? should she not have blushed? should we not have blushed? should you not have blushed? should they not have blushed?
V-ing perfect
should I not have been blushing? should you not have been blushing? should she not have been blushing? should we not have been blushing? should you not have been blushing? should they not have been blushing?