RobH_en_tn/luk/09/18.md

And it happened that

This phrase is used here to mark the beginning of a new part of the story. If your language has a way for doing this, you could consider using it here.

as he was praying

This refers to Jesus.

praying alone

The disciples were with Jesus, but he was praying personally and privately by himself.

And answering, they said

"And they answered him by saying"

John the Baptist

Some languages may prefer to add "Some say you are John the Baptist."

from ancient times

"who lived a very long time ago"

has risen again

"has come back to life"