〜ておく

Pattern: 〜ておく
Level: N4
Reading: 〜ておく
Meaning: to do something in advance / to leave something as is
Attaches to: Verb (て-form)
Nuance & register: Often used when preparing for a future action or goal, or maintaining a state for future convenience.
Example: 旅行の前に行きたい場所を調べておきます。 Before the trip, I will research the places I want to go to in advance.
Easily confused with: 〜てある