YOU SAID:

One day I had a party at my friends house

INTO JAPANESE

ある日、友達の家でパーティーをしました

BACK INTO ENGLISH

One day, I had a party at my friend's house.

INTO JAPANESE

ある日、友達の家でパーティーを開きました。

BACK INTO ENGLISH

One day, I had a party at my friend's house.