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