〜ておく

Do something in advance / prepare ahead

'Book the hotel before the trip.' 'Read the materials before the meeting.' ておく expresses doing something in preparation for what comes next.

What you'll learn

• Form ておく: て-form + おく
• Use ておく for advance preparation
• Distinguish ておく from てみる and てしまう

JLPT N4 Japanese self-study — interactive practice, instant feedback, completely free.