GRAMMAR DETAIL
〜おきに
Indicates that an action or event repeats at the stated interval of time or distance.
Examples
このバスは十五分おきに駅を出る。
This bus leaves the station every fifteen minutes.
Words used
この薬は六時間おきに飲んでください。
Please take this medicine every six hours.
Words used
庭の木は二メートルおきに植えられている。
The trees in the garden are planted at two-meter intervals.
Words used
Study notes
1. Origins, structure, and basic meaning
- Structure: Add
おきにto an amount of time or distance to describe events or placements recurring at that interval. - Basic usage:
このバスは十五分おきに駅を出る。means that the bus departs from the station at fifteen-minute intervals.
2. Common pitfalls and similar expressions
- A repeat interval versus elapsed time
十五分おきに出発するputs fifteen minutes between departures, while十五分で着くgives a fifteen-minute journey time. If the first departure is at nine, the next departure under the first pattern is at nine fifteen.