sci.lang.japan FAQ / 2. Grammar / 2.3. Particles (助詞)

2.3.4. How do I choose between and ?

Places

De

The particle is used for the place where an action takes place. For example,
  • Gakkou de benkyou suru (学校で勉強する), "I study at school"
  • Kouen de ohiru wo tabeta (公園でお昼を食べた), "I ate my lunch in the park".
  • Toshokan de hon wo yonda (図書舘で本を読んだ), "I read a book in the library".

Ni

The particle is used for:

(1) A place where something exists

  • Kouen ni ahiru ga iru (公園にアヒルがいる), "There are some ducks in the park."
  • Hon wa kaban ni haitte iru (本は鞄に入っている), "The book is in the bag."

(2) To indicate a destination

  • Watashi wa mainichi kaisha ni iku (私は毎日会社に行く), "I go to the office every day."
  • Nooto ni ji o kaku (ノートに字を書く), "I write in my notebook."

Fixed cases

  • Kaisha ni tsutomeru (会社に勤める)
  • Kaisha de hataraku (会社で働く)
The verb tsutomeru (勤める), "to work", always takes , but the verb hataraku (働く), "to work", always takes .

Times

The particle is usually used with times:
  • Go-ji ni kaerimasu (5時にかえります), "I'll go home at five o'clock".
The particle may also be used to show the time when something finishes:
  • jugyou wa go-ji de owarimasu (授業は5時で終ります) "The class finishes at five o'clock."

References and web links

  1. A Dictionary of Basic Japanese Grammar, Makino and Tsutsui, pp. 105-111.
  2. NI and DE from Japan Culture Study Group.

sci.lang.japan FAQ / 2. Grammar / 2.3. Particles (助詞)

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