@jovaloy Use AI to search (连词成句练习) and Pick any picture, and describe what you see in it in Chinese(看图写话)
After some time of practice, your Chinese writing will definitely improve. The key is to keep your sentences fluent, and the content will also be expressed clearly.
@jovaloy In China, elementary school follows this sequence: Students first practice combining words into sentences, and composition exercises are mainly "picture-based speaking" (describing pictures). Only after that do they begin practicing short compositions of 200–300 characters