I ought to backdate you ought to backdate he ought to backdate we ought to backdate you ought to backdate they ought to backdate
V-ing form
I ought to be backdating you ought to be backdating he ought to be backdating we ought to be backdating you ought to be backdating they ought to be backdating
Perfect
I ought to have backdated you ought to have backdated he ought to have backdated we ought to have backdated you ought to have backdated they ought to have backdated
V-ing perfect
I ought to have been backdating you ought to have been backdating he ought to have been backdating we ought to have been backdating you ought to have been backdating they ought to have been backdating
Negation
Simple form
I ought not to backdate you ought not to backdate he ought not to backdate we ought not to backdate you ought not to backdate they ought not to backdate
V-ing form
I ought not to backdating you ought not to backdating he ought not to backdating we ought not to backdating you ought not to backdating they ought not to backdating
Perfect
I ought not to have backdated you ought not to have backdated he ought not to have backdated we ought not to have backdated you ought not to have backdated they ought not to have backdated
V-ing perfect
I ought not to have been backdating you ought not to have been backdating he ought not to have been backdating we ought not to have been backdating you ought not to have been backdating they ought not to have been backdating
Interrogative form
Simple form
ought to I backdate? ought to you backdate? ought to he backdate? ought to we backdate? ought to you backdate? ought to they backdate?
V-ing form
ought to I be backdating? ought to you be backdating? ought to he be backdating? ought to we be backdating? ought to you be backdating? ought to they be backdating?
Perfect
ought to I have backdated? ought to you have backdated? ought to he have backdated? ought to we have backdated? ought to you have backdated? ought to they have backdated?
V-ing perfect
ought to I have been backdating? ought to you have been backdating? ought to he have been backdating? ought to we have been backdating? ought to you have been backdating? ought to they have been backdating?
Interro-negative form
Simple form
ought I not to backdate? ought you not to backdate? ought he not to backdate? ought we not to backdate? ought you not to backdate? ought they not to backdate?
V-ing form
ought I not to be backdating? ought you not to be backdating? ought he not to be backdating? ought we not to be backdating? ought you not to be backdating? ought they not to be backdating?
Perfect
ought I not to have backdated? ought you not to have backdated? ought he not to have backdated? ought we not to have backdated? ought you not to have backdated? ought they not to have backdated?
V-ing perfect
ought I not to have been backdating? ought you not to have been backdating? ought he not to have been backdating? ought we not to have been backdating? ought you not to have been backdating? ought they not to have been backdating?