YOU SAID:

i crashed someones car the other day

INTO JAPANESE

私は先日誰かの車をクラッシュしました

BACK INTO ENGLISH

I crashed someone's car the other day.

INTO JAPANESE

先日誰かの車をぶつけた。

BACK INTO ENGLISH

I hit someone's car the other day.

INTO JAPANESE

私は先日誰かの車にぶつかった。

BACK INTO ENGLISH

I was hit by someone's car the other day.

INTO JAPANESE

先日、誰かの車にはねられた。

BACK INTO ENGLISH

I was hit by someone's car the other day.