A number of Tales of Berseria English Gameplay clips from Tokyo Game Show 2016 have been uploaded by various sites. Bandai Namco also uploaded a trailer with official subs.
Update: Check out these English screenshots from TGS 2016 featuring some battles, internist skits & cutscenes:
First off, what is ed here's the trailer that Bandai Namco uploaded on their official channel. It's the same trailer we saw back in July (still with JP audio), just with subtitles from the official localization. The game still has a release window of Early 2017. Check out the trailer here:
Next up, we've got a couple of English clips from Tokyo Game Show 2016. The first two clips provided by Polygon & Gamespot shows off the same area that was in the Japanese PSN demo, while the IGN clip features a new area. The first and third clips contain English audio, while the second clip has Japanese audio with English text.