YOU SAID:

I walked past the store and got lost

INTO JAPANESE

私は店を通り過ぎて道に迷いました

BACK INTO ENGLISH

I passed the store and got lost

INTO JAPANESE

店を通り過ぎて道に迷った

BACK INTO ENGLISH

I got lost after passing the store

INTO JAPANESE

店を通り過ぎて迷子になりました

BACK INTO ENGLISH

I got lost after passing the store