I should moo you should moo she should moo we should moo you should moo they should moo
V-ing form
I should be mooing you should be mooing she should be mooing we should be mooing you should be mooing they should be mooing
Perfect
I should have mooed you should have mooed she should have mooed we should have mooed you should have mooed they should have mooed
V-ing perfect
I should have been mooing you should have been mooing she should have been mooing we should have been mooing you should have been mooing they should have been mooing
Negation
Simple form
I should not moo you should not moo she should not moo we should not moo you should not moo they should not moo
V-ing form
I should not be mooing you should not be mooing she should not be mooing we should not be mooing you should not be mooing they should not be mooing
Perfect
I should not have mooed you should not have mooed she should not have mooed we should not have mooed you should not have mooed they should not have mooed
V-ing perfect
I should not have been mooing you should not have been mooing she should not have been mooing we should not have been mooing you should not have been mooing they should not have been mooing
Interrogative form
Simple form
should I moo? should you moo? should she moo? should we moo? should you moo? should they moo?
V-ing form
should I be mooing? should you be mooing? should she be mooing? should we be mooing? should you be mooing? should they be mooing?
Perfect
should I have mooed? should you have mooed? should she have mooed? should we have mooed? should you have mooed? should they have mooed?
V-ing perfect
should I have been mooing? should you have been mooing? should she have been mooing? should we have been mooing? should you have been mooing? should they have been mooing?
Interro-negative form
Simple form
should I not moo? should you not moo? should she not moo? should we not moo? should you not moo? should they not moo?
V-ing form
should I not be mooing? should you not be mooing? should she not be mooing? should we not be mooing? should you not be mooing? should they not be mooing?
Perfect
should I not have mooed? should you not have mooed? should she not have mooed? should we not have mooed? should you not have mooed? should they not have mooed?
V-ing perfect
should I not have been mooing? should you not have been mooing? should she not have been mooing? should we not have been mooing? should you not have been mooing? should they not have been mooing?