I ought to contrast you ought to contrast he ought to contrast we ought to contrast you ought to contrast they ought to contrast
V-ing form
I ought to be contrasting you ought to be contrasting he ought to be contrasting we ought to be contrasting you ought to be contrasting they ought to be contrasting
Perfect
I ought to have contrasted you ought to have contrasted he ought to have contrasted we ought to have contrasted you ought to have contrasted they ought to have contrasted
V-ing perfect
I ought to have been contrasting you ought to have been contrasting he ought to have been contrasting we ought to have been contrasting you ought to have been contrasting they ought to have been contrasting
Negation
Simple form
I ought not to contrast you ought not to contrast he ought not to contrast we ought not to contrast you ought not to contrast they ought not to contrast
V-ing form
I ought not to contrasting you ought not to contrasting he ought not to contrasting we ought not to contrasting you ought not to contrasting they ought not to contrasting
Perfect
I ought not to have contrasted you ought not to have contrasted he ought not to have contrasted we ought not to have contrasted you ought not to have contrasted they ought not to have contrasted
V-ing perfect
I ought not to have been contrasting you ought not to have been contrasting he ought not to have been contrasting we ought not to have been contrasting you ought not to have been contrasting they ought not to have been contrasting
Interrogative form
Simple form
ought to I contrast? ought to you contrast? ought to he contrast? ought to we contrast? ought to you contrast? ought to they contrast?
V-ing form
ought to I be contrasting? ought to you be contrasting? ought to he be contrasting? ought to we be contrasting? ought to you be contrasting? ought to they be contrasting?
Perfect
ought to I have contrasted? ought to you have contrasted? ought to he have contrasted? ought to we have contrasted? ought to you have contrasted? ought to they have contrasted?
V-ing perfect
ought to I have been contrasting? ought to you have been contrasting? ought to he have been contrasting? ought to we have been contrasting? ought to you have been contrasting? ought to they have been contrasting?
Interro-negative form
Simple form
ought I not to contrast? ought you not to contrast? ought he not to contrast? ought we not to contrast? ought you not to contrast? ought they not to contrast?
V-ing form
ought I not to be contrasting? ought you not to be contrasting? ought he not to be contrasting? ought we not to be contrasting? ought you not to be contrasting? ought they not to be contrasting?
Perfect
ought I not to have contrasted? ought you not to have contrasted? ought he not to have contrasted? ought we not to have contrasted? ought you not to have contrasted? ought they not to have contrasted?
V-ing perfect
ought I not to have been contrasting? ought you not to have been contrasting? ought he not to have been contrasting? ought we not to have been contrasting? ought you not to have been contrasting? ought they not to have been contrasting?