I ought to retain you ought to retain he ought to retain we ought to retain you ought to retain they ought to retain
V-ing form
I ought to be retaining you ought to be retaining he ought to be retaining we ought to be retaining you ought to be retaining they ought to be retaining
Perfect
I ought to have retained you ought to have retained he ought to have retained we ought to have retained you ought to have retained they ought to have retained
V-ing perfect
I ought to have been retaining you ought to have been retaining he ought to have been retaining we ought to have been retaining you ought to have been retaining they ought to have been retaining
Negation
Simple form
I ought not to retain you ought not to retain he ought not to retain we ought not to retain you ought not to retain they ought not to retain
V-ing form
I ought not to retaining you ought not to retaining he ought not to retaining we ought not to retaining you ought not to retaining they ought not to retaining
Perfect
I ought not to have retained you ought not to have retained he ought not to have retained we ought not to have retained you ought not to have retained they ought not to have retained
V-ing perfect
I ought not to have been retaining you ought not to have been retaining he ought not to have been retaining we ought not to have been retaining you ought not to have been retaining they ought not to have been retaining
Interrogative form
Simple form
ought to I retain? ought to you retain? ought to he retain? ought to we retain? ought to you retain? ought to they retain?
V-ing form
ought to I be retaining? ought to you be retaining? ought to he be retaining? ought to we be retaining? ought to you be retaining? ought to they be retaining?
Perfect
ought to I have retained? ought to you have retained? ought to he have retained? ought to we have retained? ought to you have retained? ought to they have retained?
V-ing perfect
ought to I have been retaining? ought to you have been retaining? ought to he have been retaining? ought to we have been retaining? ought to you have been retaining? ought to they have been retaining?
Interro-negative form
Simple form
ought I not to retain? ought you not to retain? ought he not to retain? ought we not to retain? ought you not to retain? ought they not to retain?
V-ing form
ought I not to be retaining? ought you not to be retaining? ought he not to be retaining? ought we not to be retaining? ought you not to be retaining? ought they not to be retaining?
Perfect
ought I not to have retained? ought you not to have retained? ought he not to have retained? ought we not to have retained? ought you not to have retained? ought they not to have retained?
V-ing perfect
ought I not to have been retaining? ought you not to have been retaining? ought he not to have been retaining? ought we not to have been retaining? ought you not to have been retaining? ought they not to have been retaining?