1) Narrative is a style with narrative and description as its main forms of expression and characters, narrative, scenery and objects as its main contents. 1, the classification of narrative (1) is divided into content and expression: ① simple narrative ② complex narrative (2) differences of writing objects: ① narrative mainly written by writers; ② narrative mainly written by scenery; ④ narrative mainly written by objects; (2) descriptive articles mainly expressed by descriptions, which are used as an introduction. 1, the classification of expository texts can be divided into description object (content), description entity, description event, description scientific prose, description language and characteristics of expository texts (1), with highly scientific content, clear and orderly structure and precise language.

3) Practical writing Practical writing is a practical style that meets the actual needs of daily life, work and study, and has a certain format, short length, simplicity and popularity. 1, practical writing type (1) letter, general letter, special letter (thank you letter, commendation letter, condolence letter, introduction letter, open letter, authentication letter, application, proposal, invitation letter), telegram, remittance (2) notebook, reading notes (3) formal notice. Newsboards, news, newsletters, product manuals (5) notices, posters (6) etiquette invitations, greetings (congratulatory letters, telegrams), letters of condolence (7) deeds (receipts, IOUs, receipts, IOUs, leave slips, etc. ), contract (agreement) and message. (1), argumentative essays are classified according to their contents and purposes: ① general political essays; ② comments; ③ essays (essays, essays, notes); ④ post-reading feelings are classified according to the way of argumentative essays; ① establishment of essays; ② refutation of essays. Literary genre (also known as literary genre) refers to four major literary genres: poetry, prose, drama and novel. Source network.