I ought to thumbtack you ought to thumbtack she ought to thumbtack we ought to thumbtack you ought to thumbtack they ought to thumbtack
V-ing form
I ought to be thumbtacking you ought to be thumbtacking she ought to be thumbtacking we ought to be thumbtacking you ought to be thumbtacking they ought to be thumbtacking
Perfect
I ought to have thumbtacked you ought to have thumbtacked she ought to have thumbtacked we ought to have thumbtacked you ought to have thumbtacked they ought to have thumbtacked
V-ing perfect
I ought to have been thumbtacking you ought to have been thumbtacking she ought to have been thumbtacking we ought to have been thumbtacking you ought to have been thumbtacking they ought to have been thumbtacking
Negation
Simple form
I ought not to thumbtack you ought not to thumbtack she ought not to thumbtack we ought not to thumbtack you ought not to thumbtack they ought not to thumbtack
V-ing form
I ought not to thumbtacking you ought not to thumbtacking she ought not to thumbtacking we ought not to thumbtacking you ought not to thumbtacking they ought not to thumbtacking
Perfect
I ought not to have thumbtacked you ought not to have thumbtacked she ought not to have thumbtacked we ought not to have thumbtacked you ought not to have thumbtacked they ought not to have thumbtacked
V-ing perfect
I ought not to have been thumbtacking you ought not to have been thumbtacking she ought not to have been thumbtacking we ought not to have been thumbtacking you ought not to have been thumbtacking they ought not to have been thumbtacking
Interrogative form
Simple form
ought to I thumbtack? ought to you thumbtack? ought to she thumbtack? ought to we thumbtack? ought to you thumbtack? ought to they thumbtack?
V-ing form
ought to I be thumbtacking? ought to you be thumbtacking? ought to she be thumbtacking? ought to we be thumbtacking? ought to you be thumbtacking? ought to they be thumbtacking?
Perfect
ought to I have thumbtacked? ought to you have thumbtacked? ought to she have thumbtacked? ought to we have thumbtacked? ought to you have thumbtacked? ought to they have thumbtacked?
V-ing perfect
ought to I have been thumbtacking? ought to you have been thumbtacking? ought to she have been thumbtacking? ought to we have been thumbtacking? ought to you have been thumbtacking? ought to they have been thumbtacking?
Interro-negative form
Simple form
ought I not to thumbtack? ought you not to thumbtack? ought she not to thumbtack? ought we not to thumbtack? ought you not to thumbtack? ought they not to thumbtack?
V-ing form
ought I not to be thumbtacking? ought you not to be thumbtacking? ought she not to be thumbtacking? ought we not to be thumbtacking? ought you not to be thumbtacking? ought they not to be thumbtacking?
Perfect
ought I not to have thumbtacked? ought you not to have thumbtacked? ought she not to have thumbtacked? ought we not to have thumbtacked? ought you not to have thumbtacked? ought they not to have thumbtacked?
V-ing perfect
ought I not to have been thumbtacking? ought you not to have been thumbtacking? ought she not to have been thumbtacking? ought we not to have been thumbtacking? ought you not to have been thumbtacking? ought they not to have been thumbtacking?