Share your experience. Write a composition with materials, summarize the raw materials within 40 words, and then write the central argument directly. Then, divide your central argument into two or three layers, and each layer should have a major case. After writing the case, you must keep up with the analysis of twenty or thirty words (please try to draw your sub-arguments here), and then you can insert social phenomena before the end (you can say "as far as today's society is concerned", so you must keep up with the general argument. If not, don't write at all). Then, you can
PS: 1, don't use the raw materials at first, then use them, and order them at last.
2. It is best to use some ancient celebrities in China for the main story of each floor (if you don't accumulate much, you can find some celebrities on both sides, record some of their life experiences and results, and just put them on it when you use them)
3. If it is not made of material, you can use parallelism at the beginning and leave it at the end.
I hope I can help you, and sincerely express that the transition from narrative to argumentative is very painful. (Actually, it's ok to practice argumentative writing and write narrative during the exam. Of course, if the exam topic stipulates argumentative writing or the topic is only suitable for argumentative writing, it will not be done. )