I ought to erect you ought to erect she ought to erect we ought to erect you ought to erect they ought to erect
V-ing form
I ought to be erecting you ought to be erecting she ought to be erecting we ought to be erecting you ought to be erecting they ought to be erecting
Perfect
I ought to have erected you ought to have erected she ought to have erected we ought to have erected you ought to have erected they ought to have erected
V-ing perfect
I ought to have been erecting you ought to have been erecting she ought to have been erecting we ought to have been erecting you ought to have been erecting they ought to have been erecting
Negation
Simple form
I ought not to erect you ought not to erect she ought not to erect we ought not to erect you ought not to erect they ought not to erect
V-ing form
I ought not to erecting you ought not to erecting she ought not to erecting we ought not to erecting you ought not to erecting they ought not to erecting
Perfect
I ought not to have erected you ought not to have erected she ought not to have erected we ought not to have erected you ought not to have erected they ought not to have erected
V-ing perfect
I ought not to have been erecting you ought not to have been erecting she ought not to have been erecting we ought not to have been erecting you ought not to have been erecting they ought not to have been erecting
Interrogative form
Simple form
ought to I erect? ought to you erect? ought to she erect? ought to we erect? ought to you erect? ought to they erect?
V-ing form
ought to I be erecting? ought to you be erecting? ought to she be erecting? ought to we be erecting? ought to you be erecting? ought to they be erecting?
Perfect
ought to I have erected? ought to you have erected? ought to she have erected? ought to we have erected? ought to you have erected? ought to they have erected?
V-ing perfect
ought to I have been erecting? ought to you have been erecting? ought to she have been erecting? ought to we have been erecting? ought to you have been erecting? ought to they have been erecting?
Interro-negative form
Simple form
ought I not to erect? ought you not to erect? ought she not to erect? ought we not to erect? ought you not to erect? ought they not to erect?
V-ing form
ought I not to be erecting? ought you not to be erecting? ought she not to be erecting? ought we not to be erecting? ought you not to be erecting? ought they not to be erecting?
Perfect
ought I not to have erected? ought you not to have erected? ought she not to have erected? ought we not to have erected? ought you not to have erected? ought they not to have erected?
V-ing perfect
ought I not to have been erecting? ought you not to have been erecting? ought she not to have been erecting? ought we not to have been erecting? ought you not to have been erecting? ought they not to have been erecting?