Answer:
The primary purpose of Tan's "Mother Tongue" is to orient the readers about the author's interpretation of differentiating Standard English and broken English. Another purpose of writing such book is the fact that Amy Tan has spent much of her time in America, but she was born in China.
Step-by-step explanation:
Thesis Statement: Even though there are many aspects and characteristics of mother tongue that are important in facilitating skill in language and literature, the most important ones are the educational qualifications and academic expertise, mastery in the use of emotions to express ideas, and the appeal to shared.