I ought to reduce you ought to reduce she ought to reduce we ought to reduce you ought to reduce they ought to reduce
V-ing form
I ought to be reducing you ought to be reducing she ought to be reducing we ought to be reducing you ought to be reducing they ought to be reducing
Perfect
I ought to have reduced you ought to have reduced she ought to have reduced we ought to have reduced you ought to have reduced they ought to have reduced
V-ing perfect
I ought to have been reducing you ought to have been reducing she ought to have been reducing we ought to have been reducing you ought to have been reducing they ought to have been reducing
Negation
Simple form
I oughtn't to reduce you oughtn't to reduce she oughtn't to reduce we oughtn't to reduce you oughtn't to reduce they oughtn't to reduce
V-ing form
I oughtn't to be reducing you oughtn't to be reducing she oughtn't to be reducing we oughtn't to be reducing you oughtn't to be reducing they oughtn't to be reducing
Perfect
I oughtn't to have reduced you oughtn't to have reduced she oughtn't to have reduced we oughtn't to have reduced you oughtn't to have reduced they oughtn't to have reduced
V-ing perfect
I oughtn't to have been reducing you oughtn't to have been reducing she oughtn't to have been reducing we oughtn't to have been reducing you oughtn't to have been reducing they oughtn't to have been reducing
Interrogative form
Simple form
ought to I reduce? ought to you reduce? ought to she reduce? ought to we reduce? ought to you reduce? ought to they reduce?
V-ing form
ought to I be reducing? ought to you be reducing? ought to she be reducing? ought to we be reducing? ought to you be reducing? ought to they be reducing?
Perfect
ought to I have reduced? ought to you have reduced? ought to she have reduced? ought to we have reduced? ought to you have reduced? ought to they have reduced?
V-ing perfect
ought to I have been reducing? ought to you have been reducing? ought to she have been reducing? ought to we have been reducing? ought to you have been reducing? ought to they have been reducing?
Interro-negative form
Simple form
oughtn't I to reduce? oughtn't you to reduce? oughtn't she to reduce? oughtn't we to reduce? oughtn't you to reduce? oughtn't they to reduce?
V-ing form
oughtn't I to be reducing? oughtn't you to be reducing? oughtn't she to be reducing? oughtn't we to be reducing? oughtn't you to be reducing? oughtn't they to be reducing?
Perfect
oughtn't I to have reduced? oughtn't you to have reduced? oughtn't she to have reduced? oughtn't we to have reduced? oughtn't you to have reduced? oughtn't they to have reduced?
V-ing perfect
oughtn't I to have been reducing? oughtn't you to have been reducing? oughtn't she to have been reducing? oughtn't we to have been reducing? oughtn't you to have been reducing? oughtn't they to have been reducing?