の

の
particle
possessive marker, nominalizer, explanatory
grammatical
1. possessive marker (of, 's)
Connects nouns to show possession, affiliation, or attribution. Similar to English "of" or "'s".
私(わたし)の本(ほん)
my book
Japanese culture / the culture of Japan
駅(えき)の近(ちか)く
near the station
2. nominalizer
Turns verbs and adjectives into noun phrases. Often used with が for emphasis on the nominalized clause.
I want the red one.
I like eating.
Swimming is difficult.
3. explanatory (のだ/んだ)
Used in のです/のだ/んです/んだ patterns to give explanations, seek explanations, or add emotional emphasis.
どうしたんですか。
What happened? / What's wrong?
(The thing is,) I have an exam tomorrow.

の is one of the most frequently used particles in Japanese.

Functions

1. Possession: 私(わたし)の本(ほん) (my book)
2. Attribution: 木(き)の机(つくえ) (wooden desk)
3. Apposition: 友達(ともだち)の田中(たなか)さん (my friend Tanaka)
4. Nominalization: 食(た)べるのが好(す)き (like eating)
5. Explanation: 病気(びょうき)なんです (It's that I'm sick)
6. Casual question or explanation at the end of a sentence: どこ行(い)くの? (Where are you going?)

Common patterns

  • Xの Y: X's Y, Y of X
  • Verb/Adj + のが: (the act of) verb/adj + subject marker
  • Verb/Adj + のは: (the act of) verb/adj + topic marker
  • のです/のだ/んです/んだ: explanatory ending

Note: In speech, の usually contracts to ん before です/だ.

Related Words

See also: が