YOU SAID:

When you're living in a van down by the river

INTO JAPANESE

あなたが川に乗ってバンに住んでいるとき

BACK INTO ENGLISH

When you ride in a river and live in a van

INTO JAPANESE

あなたが川に乗って、バンに住んでいるとき

BACK INTO ENGLISH

When you ride in a river and live in a van