問題文全文(内容文)：
「if not」の意味が分かりますか？

「if not」が持つ3種類の意味を知って、積極的に使っていきましょう！

問題文全文(内容文)：
ニュートレジャー Third Edition Stage3 Lesson9-3で扱われている分詞構文や分詞を使った重要表現について解説しています。

【使用例文】
① Not knowing which book to read, Bob asked his friend for advice.
② Not being able to catch the bus, I had to walk to school.
③ Having finished her homework, Emily went out for a walk.
④ Having lived in the Netherlands for ten years, my uncle can speak Dutch very well.
⑤ Never having tried raw fish, Emily didn't want to eat sushi.
⑥ The cat watched the mouse with its blue eyes shining.
⑦ Emily smelled the rose with her eyes closed.
1) Not knowing what to do, I asked Ted for help.
2) Having forgotten my umbrella, I stopped at a convenience store to buy one.
3) He hurt himself while training for the mission.

問題文全文(内容文)：
ほかの問題では、その問題は説明がつきません。

を英訳しなさい。

問題文全文(内容文)：
NEW TREASURE ENGLISH SERIES Third Edition Stage1 Lesson10-2のkeypointを解説したものになります。