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 oughtn't to retain you oughtn't to retain he oughtn't to retain we oughtn't to retain you oughtn't to retain they oughtn't to retain
V-ing form
I oughtn't to be retaining you oughtn't to be retaining he oughtn't to be retaining we oughtn't to be retaining you oughtn't to be retaining they oughtn't to be retaining
Perfect
I oughtn't to have retained you oughtn't to have retained he oughtn't to have retained we oughtn't to have retained you oughtn't to have retained they oughtn't to have retained
V-ing perfect
I oughtn't to have been retaining you oughtn't to have been retaining he oughtn't to have been retaining we oughtn't to have been retaining you oughtn't to have been retaining they oughtn't 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
oughtn't I to retain? oughtn't you to retain? oughtn't he to retain? oughtn't we to retain? oughtn't you to retain? oughtn't they to retain?
V-ing form
oughtn't I to be retaining? oughtn't you to be retaining? oughtn't he to be retaining? oughtn't we to be retaining? oughtn't you to be retaining? oughtn't they to be retaining?
Perfect
oughtn't I to have retained? oughtn't you to have retained? oughtn't he to have retained? oughtn't we to have retained? oughtn't you to have retained? oughtn't they to have retained?
V-ing perfect
oughtn't I to have been retaining? oughtn't you to have been retaining? oughtn't he to have been retaining? oughtn't we to have been retaining? oughtn't you to have been retaining? oughtn't they to have been retaining?