I ought to let you ought to let he ought to let we ought to let you ought to let they ought to let
V-ing form
I ought to be letting you ought to be letting he ought to be letting we ought to be letting you ought to be letting they ought to be letting
Perfect
I ought to have let you ought to have let he ought to have let we ought to have let you ought to have let they ought to have let
V-ing perfect
I ought to have been letting you ought to have been letting he ought to have been letting we ought to have been letting you ought to have been letting they ought to have been letting
Negation
Simple form
I oughtn't to let you oughtn't to let he oughtn't to let we oughtn't to let you oughtn't to let they oughtn't to let
V-ing form
I oughtn't to be letting you oughtn't to be letting he oughtn't to be letting we oughtn't to be letting you oughtn't to be letting they oughtn't to be letting
Perfect
I oughtn't to have let you oughtn't to have let he oughtn't to have let we oughtn't to have let you oughtn't to have let they oughtn't to have let
V-ing perfect
I oughtn't to have been letting you oughtn't to have been letting he oughtn't to have been letting we oughtn't to have been letting you oughtn't to have been letting they oughtn't to have been letting
Interrogative form
Simple form
ought to I let? ought to you let? ought to he let? ought to we let? ought to you let? ought to they let?
V-ing form
ought to I be letting? ought to you be letting? ought to he be letting? ought to we be letting? ought to you be letting? ought to they be letting?
Perfect
ought to I have let? ought to you have let? ought to he have let? ought to we have let? ought to you have let? ought to they have let?
V-ing perfect
ought to I have been letting? ought to you have been letting? ought to he have been letting? ought to we have been letting? ought to you have been letting? ought to they have been letting?
Interro-negative form
Simple form
oughtn't I to let? oughtn't you to let? oughtn't he to let? oughtn't we to let? oughtn't you to let? oughtn't they to let?
V-ing form
oughtn't I to be letting? oughtn't you to be letting? oughtn't he to be letting? oughtn't we to be letting? oughtn't you to be letting? oughtn't they to be letting?
Perfect
oughtn't I to have let? oughtn't you to have let? oughtn't he to have let? oughtn't we to have let? oughtn't you to have let? oughtn't they to have let?
V-ing perfect
oughtn't I to have been letting? oughtn't you to have been letting? oughtn't he to have been letting? oughtn't we to have been letting? oughtn't you to have been letting? oughtn't they to have been letting?