I should greet you should greet she should greet we should greet you should greet they should greet
V-ing form
I should be greeting you should be greeting she should be greeting we should be greeting you should be greeting they should be greeting
Perfect
I should have greeted you should have greeted she should have greeted we should have greeted you should have greeted they should have greeted
V-ing perfect
I should have been greeting you should have been greeting she should have been greeting we should have been greeting you should have been greeting they should have been greeting
Negation
Simple form
I should not greet you should not greet she should not greet we should not greet you should not greet they should not greet
V-ing form
I should not be greeting you should not be greeting she should not be greeting we should not be greeting you should not be greeting they should not be greeting
Perfect
I should not have greeted you should not have greeted she should not have greeted we should not have greeted you should not have greeted they should not have greeted
V-ing perfect
I should not have been greeting you should not have been greeting she should not have been greeting we should not have been greeting you should not have been greeting they should not have been greeting
Interrogative form
Simple form
should I greet? should you greet? should she greet? should we greet? should you greet? should they greet?
V-ing form
should I be greeting? should you be greeting? should she be greeting? should we be greeting? should you be greeting? should they be greeting?
Perfect
should I have greeted? should you have greeted? should she have greeted? should we have greeted? should you have greeted? should they have greeted?
V-ing perfect
should I have been greeting? should you have been greeting? should she have been greeting? should we have been greeting? should you have been greeting? should they have been greeting?
Interro-negative form
Simple form
should I not greet? should you not greet? should she not greet? should we not greet? should you not greet? should they not greet?
V-ing form
should I not be greeting? should you not be greeting? should she not be greeting? should we not be greeting? should you not be greeting? should they not be greeting?
Perfect
should I not have greeted? should you not have greeted? should she not have greeted? should we not have greeted? should you not have greeted? should they not have greeted?
V-ing perfect
should I not have been greeting? should you not have been greeting? should she not have been greeting? should we not have been greeting? should you not have been greeting? should they not have been greeting?