I'm not sure there are cookiecutter structures specific to Art and Law, but if you try and read from the author's perspective throughout the entire passage, regardless of subject, you'll find them a lot easier to digest.
It has gotten easier. Many of the modern exams have 3 relatively cookie-cutter questions with a fourth question that is miscellaneous but not that difficult.
I second MIT_2017’s advice. Do a few untimed sections, get a sense of the type of questions that are “within your league”. Once your secure these questions, you should be able to get down to