I ought to compare you ought to compare he ought to compare we ought to compare you ought to compare they ought to compare
V-ing form
I ought to be comparing you ought to be comparing he ought to be comparing we ought to be comparing you ought to be comparing they ought to be comparing
Perfect
I ought to have compared you ought to have compared he ought to have compared we ought to have compared you ought to have compared they ought to have compared
V-ing perfect
I ought to have been comparing you ought to have been comparing he ought to have been comparing we ought to have been comparing you ought to have been comparing they ought to have been comparing
Negation
Simple form
I ought not to compare you ought not to compare he ought not to compare we ought not to compare you ought not to compare they ought not to compare
V-ing form
I ought not to comparing you ought not to comparing he ought not to comparing we ought not to comparing you ought not to comparing they ought not to comparing
Perfect
I ought not to have compared you ought not to have compared he ought not to have compared we ought not to have compared you ought not to have compared they ought not to have compared
V-ing perfect
I ought not to have been comparing you ought not to have been comparing he ought not to have been comparing we ought not to have been comparing you ought not to have been comparing they ought not to have been comparing
Interrogative form
Simple form
ought to I compare? ought to you compare? ought to he compare? ought to we compare? ought to you compare? ought to they compare?
V-ing form
ought to I be comparing? ought to you be comparing? ought to he be comparing? ought to we be comparing? ought to you be comparing? ought to they be comparing?
Perfect
ought to I have compared? ought to you have compared? ought to he have compared? ought to we have compared? ought to you have compared? ought to they have compared?
V-ing perfect
ought to I have been comparing? ought to you have been comparing? ought to he have been comparing? ought to we have been comparing? ought to you have been comparing? ought to they have been comparing?
Interro-negative form
Simple form
ought I not to compare? ought you not to compare? ought he not to compare? ought we not to compare? ought you not to compare? ought they not to compare?
V-ing form
ought I not to be comparing? ought you not to be comparing? ought he not to be comparing? ought we not to be comparing? ought you not to be comparing? ought they not to be comparing?
Perfect
ought I not to have compared? ought you not to have compared? ought he not to have compared? ought we not to have compared? ought you not to have compared? ought they not to have compared?
V-ing perfect
ought I not to have been comparing? ought you not to have been comparing? ought he not to have been comparing? ought we not to have been comparing? ought you not to have been comparing? ought they not to have been comparing?