に
JLPT N5:per
Gives a rate or frequency: "X times per Y".
How to form it
- Put に after the unit of time or quantity, then give the number: 週に三回 (three times a week), 一日に二回 (twice a day).
- The phrase usually comes before the verb: 週に三回運動します.
Examples
週に三回、ジムに行きます。
I go to the gym three times a week.
一日に二回、薬を飲んでください。
Please take the medicine twice a day.
Notes
- In short phrases に is often left out: 一日三回.
Common mistakes
- Putting the count first. Say 週に三回, not 三回に週.