I ought to destain you ought to destain she ought to destain we ought to destain you ought to destain they ought to destain
V-ing form
I ought to be destaining you ought to be destaining she ought to be destaining we ought to be destaining you ought to be destaining they ought to be destaining
Perfect
I ought to have destained you ought to have destained she ought to have destained we ought to have destained you ought to have destained they ought to have destained
V-ing perfect
I ought to have been destaining you ought to have been destaining she ought to have been destaining we ought to have been destaining you ought to have been destaining they ought to have been destaining
Negation
Simple form
I ought not to destain you ought not to destain she ought not to destain we ought not to destain you ought not to destain they ought not to destain
V-ing form
I ought not to destaining you ought not to destaining she ought not to destaining we ought not to destaining you ought not to destaining they ought not to destaining
Perfect
I ought not to have destained you ought not to have destained she ought not to have destained we ought not to have destained you ought not to have destained they ought not to have destained
V-ing perfect
I ought not to have been destaining you ought not to have been destaining she ought not to have been destaining we ought not to have been destaining you ought not to have been destaining they ought not to have been destaining
Interrogative form
Simple form
ought to I destain? ought to you destain? ought to she destain? ought to we destain? ought to you destain? ought to they destain?
V-ing form
ought to I be destaining? ought to you be destaining? ought to she be destaining? ought to we be destaining? ought to you be destaining? ought to they be destaining?
Perfect
ought to I have destained? ought to you have destained? ought to she have destained? ought to we have destained? ought to you have destained? ought to they have destained?
V-ing perfect
ought to I have been destaining? ought to you have been destaining? ought to she have been destaining? ought to we have been destaining? ought to you have been destaining? ought to they have been destaining?
Interro-negative form
Simple form
ought I not to destain? ought you not to destain? ought she not to destain? ought we not to destain? ought you not to destain? ought they not to destain?
V-ing form
ought I not to be destaining? ought you not to be destaining? ought she not to be destaining? ought we not to be destaining? ought you not to be destaining? ought they not to be destaining?
Perfect
ought I not to have destained? ought you not to have destained? ought she not to have destained? ought we not to have destained? ought you not to have destained? ought they not to have destained?
V-ing perfect
ought I not to have been destaining? ought you not to have been destaining? ought she not to have been destaining? ought we not to have been destaining? ought you not to have been destaining? ought they not to have been destaining?