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Noun + 之 + Noun (a literary 的)
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A literary title
- You see a museum banner introducing a famous city.
- Xi'an, sub-provincial city…西安to be / is是China中国(modifier / structural particle)的ancient capital古都one of (sth)之一,to have / there is有"world世界the four elements: earth…四大ancient capital古都one of (sth)之一"of之steelyard称。 — "Xi'an is one of China's ancient capitals and is called one of the world's four great ancient capitals."
Noun + of之 + Noun = a literary (modifier / structural particle)的
- of之 links a modifier to a noun in formal or classical style: China中国of之most最 (China's greatest), success成功of之the road路 (the road to success).
- It appears in fixed phrases and titles more than in everyday speech.
success成功of之the road路。

Fixed phrases you'll meet
- one of (sth)之一 = one of; between之间 = between; before之前 / after之后 = before / after; (after a noun N and before…之所以 = the reason why.
- cause原因one of (sth)之一 — "one of the reasons"; friends朋友between之间 — "between friends".
friends朋友between之间should要each other互相help帮助。
Complete: “one of the reasons” 原因____一
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之一 = one of.
Match each phrase to its meaning.
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Fixed phrases with literary 之.
Written style
- Do not replace every (modifier / structural particle)的 with of之 in speech; I / me我of之book书 sounds archaic. Say I / me我(modifier / structural particle)的book书.
- of之 often sits between two-syllable words or in four-character set phrases: the whole year must be…一年之计在于春.
Which sounds most natural in conversation?
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之 is the classical, written equivalent of 的. In conversation you say 这是我的书; 之 survives mainly in titles and set phrases.
of之 versus (modifier / structural particle)的
- (modifier / structural particle)的 is the everyday link: China中国(modifier / structural particle)的capital (city)首都.
- of之 is the literary one, kept in titles and set phrases: China中国of之variant of 窗窗 — "Window on China".
the year's一年of之plan计lies in在于spring春。
之 is common in titles and set phrases.
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True. 之 appears in titles, slogans and fixed expressions: 成功之路, 一年之计在于春. In ordinary sentences 的 is used.
Recap
- Noun + of之 + Noun = literary (modifier / structural particle)的, in titles and set phrases.
- Fixed: one of (sth)之一, between之间, before之前, after之后; everyday speech uses (modifier / structural particle)的.
Read the full reference: HSK 6 grammar — Particles.
You see a museum banner introducing a famous city. Close the examples. Say a Mandarin response, then write it in Chinese. Explain briefly in English what the lesson’s pattern adds. Compare with the model, then change one detail and try again.
This is supported productive practice. Compare meaning and structure; your answer need not copy the model. A partner or teacher must hear the spoken response to comment on pronunciation.