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