I should shadow you should shadow she should shadow we should shadow you should shadow they should shadow
V-ing form
I should be shadowing you should be shadowing she should be shadowing we should be shadowing you should be shadowing they should be shadowing
Perfect
I should have shadowed you should have shadowed she should have shadowed we should have shadowed you should have shadowed they should have shadowed
V-ing perfect
I should have been shadowing you should have been shadowing she should have been shadowing we should have been shadowing you should have been shadowing they should have been shadowing
Negation
Simple form
I should not shadow you should not shadow she should not shadow we should not shadow you should not shadow they should not shadow
V-ing form
I should not be shadowing you should not be shadowing she should not be shadowing we should not be shadowing you should not be shadowing they should not be shadowing
Perfect
I should not have shadowed you should not have shadowed she should not have shadowed we should not have shadowed you should not have shadowed they should not have shadowed
V-ing perfect
I should not have been shadowing you should not have been shadowing she should not have been shadowing we should not have been shadowing you should not have been shadowing they should not have been shadowing
Interrogative form
Simple form
should I shadow? should you shadow? should she shadow? should we shadow? should you shadow? should they shadow?
V-ing form
should I be shadowing? should you be shadowing? should she be shadowing? should we be shadowing? should you be shadowing? should they be shadowing?
Perfect
should I have shadowed? should you have shadowed? should she have shadowed? should we have shadowed? should you have shadowed? should they have shadowed?
V-ing perfect
should I have been shadowing? should you have been shadowing? should she have been shadowing? should we have been shadowing? should you have been shadowing? should they have been shadowing?
Interro-negative form
Simple form
should I not shadow? should you not shadow? should she not shadow? should we not shadow? should you not shadow? should they not shadow?
V-ing form
should I not be shadowing? should you not be shadowing? should she not be shadowing? should we not be shadowing? should you not be shadowing? should they not be shadowing?
Perfect
should I not have shadowed? should you not have shadowed? should she not have shadowed? should we not have shadowed? should you not have shadowed? should they not have shadowed?
V-ing perfect
should I not have been shadowing? should you not have been shadowing? should she not have been shadowing? should we not have been shadowing? should you not have been shadowing? should they not have been shadowing?