At the beginning of this video (at around the 0:25 mark), there is some footage of Chewbacca on set, without the added sound effects, where he just talks in English. It is hilarious. In fact, I think they should restore this for the trilogy.
(, Fri 20 Nov 2020, 22:01, Reply)
www.youtube.com/watch?v=wIV8jHnfwP8
(, Fri 20 Nov 2020, 22:31, Reply)
a version of Star Wars where Chewbacca spoke in English.
(, Fri 20 Nov 2020, 22:54, Reply)
(, Sat 21 Nov 2020, 7:23, Reply)
(, Sat 21 Nov 2020, 7:56, Reply)
though it would be tiresome and overdone in a short while
(, Sat 21 Nov 2020, 12:01, Reply)