I ought to testify you ought to testify he ought to testify we ought to testify you ought to testify they ought to testify
V-ing form
I ought to be testifying you ought to be testifying he ought to be testifying we ought to be testifying you ought to be testifying they ought to be testifying
Perfect
I ought to have testified you ought to have testified he ought to have testified we ought to have testified you ought to have testified they ought to have testified
V-ing perfect
I ought to have been testifying you ought to have been testifying he ought to have been testifying we ought to have been testifying you ought to have been testifying they ought to have been testifying
Negation
Simple form
I ought not to testify you ought not to testify he ought not to testify we ought not to testify you ought not to testify they ought not to testify
V-ing form
I ought not to testifying you ought not to testifying he ought not to testifying we ought not to testifying you ought not to testifying they ought not to testifying
Perfect
I ought not to have testified you ought not to have testified he ought not to have testified we ought not to have testified you ought not to have testified they ought not to have testified
V-ing perfect
I ought not to have been testifying you ought not to have been testifying he ought not to have been testifying we ought not to have been testifying you ought not to have been testifying they ought not to have been testifying
Interrogative form
Simple form
ought to I testify? ought to you testify? ought to he testify? ought to we testify? ought to you testify? ought to they testify?
V-ing form
ought to I be testifying? ought to you be testifying? ought to he be testifying? ought to we be testifying? ought to you be testifying? ought to they be testifying?
Perfect
ought to I have testified? ought to you have testified? ought to he have testified? ought to we have testified? ought to you have testified? ought to they have testified?
V-ing perfect
ought to I have been testifying? ought to you have been testifying? ought to he have been testifying? ought to we have been testifying? ought to you have been testifying? ought to they have been testifying?
Interro-negative form
Simple form
ought I not to testify? ought you not to testify? ought he not to testify? ought we not to testify? ought you not to testify? ought they not to testify?
V-ing form
ought I not to be testifying? ought you not to be testifying? ought he not to be testifying? ought we not to be testifying? ought you not to be testifying? ought they not to be testifying?
Perfect
ought I not to have testified? ought you not to have testified? ought he not to have testified? ought we not to have testified? ought you not to have testified? ought they not to have testified?
V-ing perfect
ought I not to have been testifying? ought you not to have been testifying? ought he not to have been testifying? ought we not to have been testifying? ought you not to have been testifying? ought they not to have been testifying?