Reaching out before shopping with 〜ておく

Grammar Explanation: Doing in advance with 〜ておく

Since Cocoa will be making stew for dinner, sends her a text message on ingredients selection.

チノ:: 「にんじん以外(いがい)を伝(つた)えておこう」; “I'll let her know in advance everything except carrots.”

Here, おく is is modified to the volitional (showing intent to do) おこう. “I will send a message …”

See Also