NET
21 Now when all the people were baptized, Jesus also was baptized. And while he was praying, the heavens opened,
Darby
21 And it came to pass, all the people having been baptised, and Jesus having been baptised and praying, that the heaven was opened,
KJV
21 Now when all the people were baptized, it came to pass, that Jesus also being baptized, and praying, the heaven was opened,