I ought to center you ought to center he ought to center we ought to center you ought to center they ought to center
V-ing form
I ought to be centering you ought to be centering he ought to be centering we ought to be centering you ought to be centering they ought to be centering
Perfect
I ought to have centered you ought to have centered he ought to have centered we ought to have centered you ought to have centered they ought to have centered
V-ing perfect
I ought to have been centering you ought to have been centering he ought to have been centering we ought to have been centering you ought to have been centering they ought to have been centering
Negation
Simple form
I ought not to center you ought not to center he ought not to center we ought not to center you ought not to center they ought not to center
V-ing form
I ought not to centering you ought not to centering he ought not to centering we ought not to centering you ought not to centering they ought not to centering
Perfect
I ought not to have centered you ought not to have centered he ought not to have centered we ought not to have centered you ought not to have centered they ought not to have centered
V-ing perfect
I ought not to have been centering you ought not to have been centering he ought not to have been centering we ought not to have been centering you ought not to have been centering they ought not to have been centering
Interrogative form
Simple form
ought to I center? ought to you center? ought to he center? ought to we center? ought to you center? ought to they center?
V-ing form
ought to I be centering? ought to you be centering? ought to he be centering? ought to we be centering? ought to you be centering? ought to they be centering?
Perfect
ought to I have centered? ought to you have centered? ought to he have centered? ought to we have centered? ought to you have centered? ought to they have centered?
V-ing perfect
ought to I have been centering? ought to you have been centering? ought to he have been centering? ought to we have been centering? ought to you have been centering? ought to they have been centering?
Interro-negative form
Simple form
ought I not to center? ought you not to center? ought he not to center? ought we not to center? ought you not to center? ought they not to center?
V-ing form
ought I not to be centering? ought you not to be centering? ought he not to be centering? ought we not to be centering? ought you not to be centering? ought they not to be centering?
Perfect
ought I not to have centered? ought you not to have centered? ought he not to have centered? ought we not to have centered? ought you not to have centered? ought they not to have centered?
V-ing perfect
ought I not to have been centering? ought you not to have been centering? ought he not to have been centering? ought we not to have been centering? ought you not to have been centering? ought they not to have been centering?