I ought to extract you ought to extract he ought to extract we ought to extract you ought to extract they ought to extract
V-ing form
I ought to be extracting you ought to be extracting he ought to be extracting we ought to be extracting you ought to be extracting they ought to be extracting
Perfect
I ought to have extracted you ought to have extracted he ought to have extracted we ought to have extracted you ought to have extracted they ought to have extracted
V-ing perfect
I ought to have been extracting you ought to have been extracting he ought to have been extracting we ought to have been extracting you ought to have been extracting they ought to have been extracting
Negation
Simple form
I ought not to extract you ought not to extract he ought not to extract we ought not to extract you ought not to extract they ought not to extract
V-ing form
I ought not to extracting you ought not to extracting he ought not to extracting we ought not to extracting you ought not to extracting they ought not to extracting
Perfect
I ought not to have extracted you ought not to have extracted he ought not to have extracted we ought not to have extracted you ought not to have extracted they ought not to have extracted
V-ing perfect
I ought not to have been extracting you ought not to have been extracting he ought not to have been extracting we ought not to have been extracting you ought not to have been extracting they ought not to have been extracting
Interrogative form
Simple form
ought to I extract? ought to you extract? ought to he extract? ought to we extract? ought to you extract? ought to they extract?
V-ing form
ought to I be extracting? ought to you be extracting? ought to he be extracting? ought to we be extracting? ought to you be extracting? ought to they be extracting?
Perfect
ought to I have extracted? ought to you have extracted? ought to he have extracted? ought to we have extracted? ought to you have extracted? ought to they have extracted?
V-ing perfect
ought to I have been extracting? ought to you have been extracting? ought to he have been extracting? ought to we have been extracting? ought to you have been extracting? ought to they have been extracting?
Interro-negative form
Simple form
ought I not to extract? ought you not to extract? ought he not to extract? ought we not to extract? ought you not to extract? ought they not to extract?
V-ing form
ought I not to be extracting? ought you not to be extracting? ought he not to be extracting? ought we not to be extracting? ought you not to be extracting? ought they not to be extracting?
Perfect
ought I not to have extracted? ought you not to have extracted? ought he not to have extracted? ought we not to have extracted? ought you not to have extracted? ought they not to have extracted?
V-ing perfect
ought I not to have been extracting? ought you not to have been extracting? ought he not to have been extracting? ought we not to have been extracting? ought you not to have been extracting? ought they not to have been extracting?