Japanese learning (A2 S23): Adverbial Clause similar to “When-Clasue” that describe a Timing of an Action in Main Clause: [V-dic/V-ta Clause] toki, [Main Clause].

すみませんが、本文を書いている時間がありません。近日中に完成できるよう、努力するつもりです。

This post was written with reference to the exercise A2 on Section23 of “Minna no Nihongo (2nd Edition)” published by “3A Corporation”