Here is a video that gives you some thoughts on ending (tagging) a song, especially when accompanying. It discusses the deceptive cadence and a few variations on it.
It also discusses what to do if the tag (alternate ending) does not start on a V chord. In those cases, the deceptive cadence does not work so well and has to be adjusted.
If you don’t see a video below, click here: https://www.youtube.com/watch?v=Vem9MXl770E