我不知道你的书在哪里。

I don't know where your book is.

Source: Tatoeba

Sentence Composition

1 我不知道 wǒbùzhīdào I don't know.
=2 你 nǐ you (informal, as opposed to courteous 您 nín)
=2 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
=3 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=3 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=3 的 dí really and truly
=3 的 dì (bound form) bull's-eye; target
=4 书 Shū abbr. for 书经 Shūjīng
=4 书 shū
  1. book
  2. letter
  3. document
  4. to write

classifiers: 本, 冊, 部
5 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
=6 哪里 nǎlǐ
  1. where?
  2. somewhere
  3. anywhere
  4. wherever
  5. nowhere (negative answer to question)
  6. humble expression denying compliment
  7. also written 哪里
=6 哪里 nǎlǐ
  1. where?
  2. somewhere
  3. anywhere
  4. wherever
  5. nowhere (negative answer to question)
  6. humble expression denying compliment