>I’ve never heard anyone investigating how these rules work, There are studies of this. It's best to search in Google scholar to filter out (some of) the crap:

>I’ve never heard anyone investigating how these rules work, There are studies of this. It's best to search in Google scholar to filter out (some of) the crap: https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=Miami+%2Bspanglish+syntax+&btnG= https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=Miam... The majority of the work focuses on sociolinguistic aspects of Spanglish, but there are also grammatical investigations. Here's an example dissertation that cites some other studies along the same lines: https://digitalcommons.spu.edu/cgi/viewcontent.cgi?article=1071&=&context=honorsprojects&=&sei-redir=1&referer=https%253A%252F%252Fscholar.google.com%252Fscholar%253Fstart%253D10%2526q%253DMiami%252B%25252Bspanglish%252Bsyntax%252B%2526hl%253Den%2526as_sdt%253D0%252C5#search=%22Miami%20%2Bspanglish%20syntax%22 https://digitalcommons.spu.edu/cgi/viewcontent.cgi?article=1...