LEARN + JAPANESE / Note 114 JLPT N4

While It Happens (間に・間)

間に marks a single action happening at some point inside a longer stretch of time. 間 alone, without に, marks an action stretching across that entire span. Both usually follow ている, describing an ongoing background activity.

In Real Life
間に marks a one-time event slipped into the gap, “I made coffee” happens once, at some point during breakfast. 間 without に marks an activity running the whole time alongside another one, “I was working” the entire time he was at school, not just a moment of it.
In Real Life
間 and 間に can also follow a plain noun directly, no verb needed, 留守の間に, “while out,” 日本にいる間, “while in Japan,” treating the whole stay as the span being described.

Vocabulary

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