(으)로 (instrumental, tools, directions)

젓가락 chopsticks Eastern

1.젓가락으로 먹었어요. I ate with chopsticks.
2. 기차로 갔어요. I went by train.
3. 학교로 가세요. He went to school.
4. 나비로 변해요. It's turning into a butterfly.
* Locative use:
- 어디로(어딜) 가세요? Where are u going?
Or can be shortened to: 어딜요? (어딜료?)
- 집으로 갑니다. I'm going home.
- 학교로 가세요. He's going to school.