Is there away for logos to highlight all the text that's in the nominative case when reading the biblical text in English?
Yes, create a visual filter. See Visual Filter (logos.com)
Or
Yes, create a visual filter. See Visual Filter (logos.com) Or Go to documents filter to visual filters (left side-bar) select public tab (top centerish) find "Greek Visual Filter Nominative case nouns" (you can use the find box) select add to you docs (upper right) turn the filter on in the visual filters pick list - you may need to change the resource the filter points to.
Thank you. Is there a way to turn this on in an English Bible or just the GNTSBL?
You can run it on an English Bible that has a reverse interlinear but you won't get English nominatives ... you will get the words that translate Greek nominatives.