Grammar Info
N5 Lesson 6: 12/13

Pronoun 'one' (noun omission)

Noun (A) + + Noun (B)
Part of Speech Particle
Word Type Case Marking Particle
Register Standard
品詞 助詞
単語の種類 格助詞
使用域 一般
One of the common meanings that is used for, is referring back to a noun that has already been mentioned. In this way, it is very similar to ‘the one’ in English. This use of regularly highlights the possession of something that has previously been asked about with この, その, or あの.
  • この本(ほん)たけしさんです
    This book is Takeshi-san’s one.
  • そのペン誰(だれ)?あなた
    That pen, whose one? Is it your one?
  • あの頃(ころ)映画(えいが)面白(おもしろ)
    That era’s movies are amusing ones.
In these examples, it would also be grammatically correct to use the same noun following . However, this is called 重(かさ)ね言葉(ことば) (word stacking/redundant words) in Japanese, and is considered a poor writing/speech habit. Despite this, it is important to know that this is exactly the same as the possessive (with the following word simply being left out).
  • あの車(くるま)、あなた乗(の)っている車(くるま)です
    That car, was it the car you drove? (‘Car’ repeated, when ‘the one’ should have been used instead)
From this sentence, it is clear that the repeated noun is not needed. Japanese is a language that avoids repeating words in many situations.
Slow Male
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That hat is my daughter's (hat).
That computer is your (computer) right?
The cotton scarf is my (scarf).
Genki I 2nd Edition
Page 233
みんなの日本語 I
Page 21 [CH 2]
Tae Kim's Japanese Grammar Guide
Page 70