NET
15 And if we know that he hears us in regard to whatever we ask, then we know that we have the requests that we have asked from him.
Darby
15 And if we know that he hears us, whatsoever we ask, we know that we have the petitions which we have asked of him.
KJV
15 And if we know that he hear us, whatsoever we ask, we know that we have the petitions that we desired of him.