I should shift you should shift she should shift we should shift you should shift they should shift
V-ing form
I should be shifting you should be shifting she should be shifting we should be shifting you should be shifting they should be shifting
Perfect
I should have shifted you should have shifted she should have shifted we should have shifted you should have shifted they should have shifted
V-ing perfect
I should have been shifting you should have been shifting she should have been shifting we should have been shifting you should have been shifting they should have been shifting
Negation
Simple form
I should not shift you should not shift she should not shift we should not shift you should not shift they should not shift
V-ing form
I should not be shifting you should not be shifting she should not be shifting we should not be shifting you should not be shifting they should not be shifting
Perfect
I should not have shifted you should not have shifted she should not have shifted we should not have shifted you should not have shifted they should not have shifted
V-ing perfect
I should not have been shifting you should not have been shifting she should not have been shifting we should not have been shifting you should not have been shifting they should not have been shifting
Interrogative form
Simple form
should I shift? should you shift? should she shift? should we shift? should you shift? should they shift?
V-ing form
should I be shifting? should you be shifting? should she be shifting? should we be shifting? should you be shifting? should they be shifting?
Perfect
should I have shifted? should you have shifted? should she have shifted? should we have shifted? should you have shifted? should they have shifted?
V-ing perfect
should I have been shifting? should you have been shifting? should she have been shifting? should we have been shifting? should you have been shifting? should they have been shifting?
Interro-negative form
Simple form
should I not shift? should you not shift? should she not shift? should we not shift? should you not shift? should they not shift?
V-ing form
should I not be shifting? should you not be shifting? should she not be shifting? should we not be shifting? should you not be shifting? should they not be shifting?
Perfect
should I not have shifted? should you not have shifted? should she not have shifted? should we not have shifted? should you not have shifted? should they not have shifted?
V-ing perfect
should I not have been shifting? should you not have been shifting? should she not have been shifting? should we not have been shifting? should you not have been shifting? should they not have been shifting?