I ought to compress you ought to compress he 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 he 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 he 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 he 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 ought not to compress you ought not to compress he ought not to compress we ought not to compress you ought not to compress they ought not to compress
V-ing form
I ought not to compressing you ought not to compressing he ought not to compressing we ought not to compressing you ought not to compressing they ought not to compressing
Perfect
I ought not to have compressed you ought not to have compressed he ought not to have compressed we ought not to have compressed you ought not to have compressed they ought not to have compressed
V-ing perfect
I ought not to have been compressing you ought not to have been compressing he ought not to have been compressing we ought not to have been compressing you ought not to have been compressing they ought not to have been compressing
Interrogative form
Simple form
ought to I compress? ought to you compress? ought to he 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 he 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 he 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 he 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
ought I not to compress? ought you not to compress? ought he not to compress? ought we not to compress? ought you not to compress? ought they not to compress?
V-ing form
ought I not to be compressing? ought you not to be compressing? ought he not to be compressing? ought we not to be compressing? ought you not to be compressing? ought they not to be compressing?
Perfect
ought I not to have compressed? ought you not to have compressed? ought he not to have compressed? ought we not to have compressed? ought you not to have compressed? ought they not to have compressed?
V-ing perfect
ought I not to have been compressing? ought you not to have been compressing? ought he not to have been compressing? ought we not to have been compressing? ought you not to have been compressing? ought they not to have been compressing?