I ought to apprehend you ought to apprehend he ought to apprehend we ought to apprehend you ought to apprehend they ought to apprehend
V-ing form
I ought to be apprehending you ought to be apprehending he ought to be apprehending we ought to be apprehending you ought to be apprehending they ought to be apprehending
Perfect
I ought to have apprehended you ought to have apprehended he ought to have apprehended we ought to have apprehended you ought to have apprehended they ought to have apprehended
V-ing perfect
I ought to have been apprehending you ought to have been apprehending he ought to have been apprehending we ought to have been apprehending you ought to have been apprehending they ought to have been apprehending
Negation
Simple form
I ought not to apprehend you ought not to apprehend he ought not to apprehend we ought not to apprehend you ought not to apprehend they ought not to apprehend
V-ing form
I ought not to apprehending you ought not to apprehending he ought not to apprehending we ought not to apprehending you ought not to apprehending they ought not to apprehending
Perfect
I ought not to have apprehended you ought not to have apprehended he ought not to have apprehended we ought not to have apprehended you ought not to have apprehended they ought not to have apprehended
V-ing perfect
I ought not to have been apprehending you ought not to have been apprehending he ought not to have been apprehending we ought not to have been apprehending you ought not to have been apprehending they ought not to have been apprehending
Interrogative form
Simple form
ought to I apprehend? ought to you apprehend? ought to he apprehend? ought to we apprehend? ought to you apprehend? ought to they apprehend?
V-ing form
ought to I be apprehending? ought to you be apprehending? ought to he be apprehending? ought to we be apprehending? ought to you be apprehending? ought to they be apprehending?
Perfect
ought to I have apprehended? ought to you have apprehended? ought to he have apprehended? ought to we have apprehended? ought to you have apprehended? ought to they have apprehended?
V-ing perfect
ought to I have been apprehending? ought to you have been apprehending? ought to he have been apprehending? ought to we have been apprehending? ought to you have been apprehending? ought to they have been apprehending?
Interro-negative form
Simple form
ought I not to apprehend? ought you not to apprehend? ought he not to apprehend? ought we not to apprehend? ought you not to apprehend? ought they not to apprehend?
V-ing form
ought I not to be apprehending? ought you not to be apprehending? ought he not to be apprehending? ought we not to be apprehending? ought you not to be apprehending? ought they not to be apprehending?
Perfect
ought I not to have apprehended? ought you not to have apprehended? ought he not to have apprehended? ought we not to have apprehended? ought you not to have apprehended? ought they not to have apprehended?
V-ing perfect
ought I not to have been apprehending? ought you not to have been apprehending? ought he not to have been apprehending? ought we not to have been apprehending? ought you not to have been apprehending? ought they not to have been apprehending?