My daughter is 20 months old and quite the talker. However, she doesn't understand the concept of pronouns (understandable since it's an abstract concept) and thinks that the word "you" always refers to her. For example, when she wants us to read her a book, she'll say, "Read to you." I'll correct her by instructing her to say, "Read to me." She'll then say, "Read to me," but will later go back to "Read to you".
Other than being persistent with my correction, are there strategies that can help her see the difference between "me" and "you"?