I ought to demonstrate you ought to demonstrate she ought to demonstrate we ought to demonstrate you ought to demonstrate they ought to demonstrate
V-ing form
I ought to be demonstrating you ought to be demonstrating she ought to be demonstrating we ought to be demonstrating you ought to be demonstrating they ought to be demonstrating
Perfect
I ought to have demonstrated you ought to have demonstrated she ought to have demonstrated we ought to have demonstrated you ought to have demonstrated they ought to have demonstrated
V-ing perfect
I ought to have been demonstrating you ought to have been demonstrating she ought to have been demonstrating we ought to have been demonstrating you ought to have been demonstrating they ought to have been demonstrating
Negation
Simple form
I ought not to demonstrate you ought not to demonstrate she ought not to demonstrate we ought not to demonstrate you ought not to demonstrate they ought not to demonstrate
V-ing form
I ought not to demonstrating you ought not to demonstrating she ought not to demonstrating we ought not to demonstrating you ought not to demonstrating they ought not to demonstrating
Perfect
I ought not to have demonstrated you ought not to have demonstrated she ought not to have demonstrated we ought not to have demonstrated you ought not to have demonstrated they ought not to have demonstrated
V-ing perfect
I ought not to have been demonstrating you ought not to have been demonstrating she ought not to have been demonstrating we ought not to have been demonstrating you ought not to have been demonstrating they ought not to have been demonstrating
Interrogative form
Simple form
ought to I demonstrate? ought to you demonstrate? ought to she demonstrate? ought to we demonstrate? ought to you demonstrate? ought to they demonstrate?
V-ing form
ought to I be demonstrating? ought to you be demonstrating? ought to she be demonstrating? ought to we be demonstrating? ought to you be demonstrating? ought to they be demonstrating?
Perfect
ought to I have demonstrated? ought to you have demonstrated? ought to she have demonstrated? ought to we have demonstrated? ought to you have demonstrated? ought to they have demonstrated?
V-ing perfect
ought to I have been demonstrating? ought to you have been demonstrating? ought to she have been demonstrating? ought to we have been demonstrating? ought to you have been demonstrating? ought to they have been demonstrating?
Interro-negative form
Simple form
ought I not to demonstrate? ought you not to demonstrate? ought she not to demonstrate? ought we not to demonstrate? ought you not to demonstrate? ought they not to demonstrate?
V-ing form
ought I not to be demonstrating? ought you not to be demonstrating? ought she not to be demonstrating? ought we not to be demonstrating? ought you not to be demonstrating? ought they not to be demonstrating?
Perfect
ought I not to have demonstrated? ought you not to have demonstrated? ought she not to have demonstrated? ought we not to have demonstrated? ought you not to have demonstrated? ought they not to have demonstrated?
V-ing perfect
ought I not to have been demonstrating? ought you not to have been demonstrating? ought she not to have been demonstrating? ought we not to have been demonstrating? ought you not to have been demonstrating? ought they not to have been demonstrating?