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 oughtn't to erect you oughtn't to erect she oughtn't to erect we oughtn't to erect you oughtn't to erect they oughtn't to erect
V-ing form
I oughtn't to be erecting you oughtn't to be erecting she oughtn't to be erecting we oughtn't to be erecting you oughtn't to be erecting they oughtn't to be erecting
Perfect
I oughtn't to have erected you oughtn't to have erected she oughtn't to have erected we oughtn't to have erected you oughtn't to have erected they oughtn't to have erected
V-ing perfect
I oughtn't to have been erecting you oughtn't to have been erecting she oughtn't to have been erecting we oughtn't to have been erecting you oughtn't to have been erecting they oughtn't 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
oughtn't I to erect? oughtn't you to erect? oughtn't she to erect? oughtn't we to erect? oughtn't you to erect? oughtn't they to erect?
V-ing form
oughtn't I to be erecting? oughtn't you to be erecting? oughtn't she to be erecting? oughtn't we to be erecting? oughtn't you to be erecting? oughtn't they to be erecting?
Perfect
oughtn't I to have erected? oughtn't you to have erected? oughtn't she to have erected? oughtn't we to have erected? oughtn't you to have erected? oughtn't they to have erected?
V-ing perfect
oughtn't I to have been erecting? oughtn't you to have been erecting? oughtn't she to have been erecting? oughtn't we to have been erecting? oughtn't you to have been erecting? oughtn't they to have been erecting?