NET

36 “But I have a testimony greater than that from John. For the deeds that the Father has assigned me to complete—the deeds I am now doing—testify about me that the Father has sent me.

Darby

36 But I have the witness [that is] greater than [that] of John; for the works which the Father has given me that I should complete them, the works themselves which I do, bear witness concerning me that the Father has sent me.

KJV

36 “But I have greater witness than” [that] “of John: for the works which the Father hath given me to finish, the same works that I do, bear witness of me, that the Father hath sent me.”