NET
4 while God confirmed their witness with signs and wonders and various miracles and gifts of the Holy Spirit distributed according to his will.
Darby
4 God bearing, besides, witness with [them] to [it], both by signs and wonders, and various acts of power, and distributions of [the] Holy Spirit, according to his will?
KJV
4 God also bearing [them] witness, both with signs and wonders, and with divers miracles, and gifts of the Holy Ghost, according to his own will?