Grammar
N5 particle

Possessive / noun modifier の

Meaning

Links two nouns. Many relationships: possession (私の本), location (日本の大学), affiliation (会社の社長), or simply "noun that is ~".

Formation

Notes

When the second noun is understood from context, it can be dropped: これは私のです (This is mine). Chains of の are common: 私の友達の車 (my friend's car).

Examples

This is my book. (possession)

Breakdown
this (topic) I/me (possessive) book is

He/she is a Japanese-language teacher. (modifier)

Breakdown
Japanese (modifier) teacher is

A university student. (affiliation)

Breakdown
university (modifier) student is

This is mine. (noun B dropped)

Breakdown
this (topic) I/me (possessive) is

My friend's car is new. (chain of の)

Breakdown
I/me (possessive) friend (possessive) car (topic) new is

Whose is the book on the desk? (location modifier)

Breakdown
desk (possessive) on (modifier) book (topic) who (possessive) is it?