preposition(s)

• location -- 在 zài (optional in time)
• reference -- 对 duì (to), 向 xiàng (towards)
• joint performance -- 跟 gēn
• movement -- 从 cóng (from), 到 dào (to), 往 wǎng (towards), 进 jìn (into)
• transfer -- 给 gěi (to), 跟 gēn (from), 向 xiàng (from)
• benificiary -- 给 gěi (for), 替 tì (for)
• agent in pasive sentence(s) -- 被 bèi, 叫 jiào, 让 ràng
• in formal language: 为 wèi (for), 由 yóu (from), 于 yú (at/in/on), 自从 zìcóng (from, ever since)
• as verb(s): 在 (at/exist), 给 (to/give), 到 (to/arrive), 对 (towards/correct), 跟 (with/follow)