NET
31 When they had prayed, the place where they were assembled together was shaken, and they were all filled with the Holy Spirit and began to speak the word of God courageously.
Darby
31 And when they had prayed, the place in which they were assembled shook, and they were all filled with the Holy Spirit, and spoke the word of God with boldness.
KJV
31 And when they had prayed, the place was shaken where they were assembled together; and they were all filled with the Holy Ghost, and they spake the word of God with boldness.