I should leave you should leave he should leave we should leave you should leave they should leave
V-ing form
I should be leaving you should be leaving he should be leaving we should be leaving you should be leaving they should be leaving
Perfect
I should have left you should have left he should have left we should have left you should have left they should have left
V-ing perfect
I should have been leaving you should have been leaving he should have been leaving we should have been leaving you should have been leaving they should have been leaving
Negation
Simple form
I should not leave you should not leave he should not leave we should not leave you should not leave they should not leave
V-ing form
I should not be leaving you should not be leaving he should not be leaving we should not be leaving you should not be leaving they should not be leaving
Perfect
I should not have left you should not have left he should not have left we should not have left you should not have left they should not have left
V-ing perfect
I should not have been leaving you should not have been leaving he should not have been leaving we should not have been leaving you should not have been leaving they should not have been leaving
Interrogative form
Simple form
should I leave? should you leave? should he leave? should we leave? should you leave? should they leave?
V-ing form
should I be leaving? should you be leaving? should he be leaving? should we be leaving? should you be leaving? should they be leaving?
Perfect
should I have left? should you have left? should he have left? should we have left? should you have left? should they have left?
V-ing perfect
should I have been leaving? should you have been leaving? should he have been leaving? should we have been leaving? should you have been leaving? should they have been leaving?
Interro-negative form
Simple form
should I not leave? should you not leave? should he not leave? should we not leave? should you not leave? should they not leave?
V-ing form
should I not be leaving? should you not be leaving? should he not be leaving? should we not be leaving? should you not be leaving? should they not be leaving?
Perfect
should I not have left? should you not have left? should he not have left? should we not have left? should you not have left? should they not have left?
V-ing perfect
should I not have been leaving? should you not have been leaving? should he not have been leaving? should we not have been leaving? should you not have been leaving? should they not have been leaving?