YOU SAID:

I was with my friend at my birthday party and we had fun

INTO JAPANESE

私は私の誕生日パーティーで友達と一緒にいて、楽しい時間を過ごしました

BACK INTO ENGLISH

I was with my friends at my birthday party and had a good time

INTO JAPANESE

私は誕生日パーティーで友達と一緒にいて楽しい時間を過ごしました

BACK INTO ENGLISH

I had a good time with my friends at the birthday party

INTO JAPANESE

誕生日パーティーで友達と楽しい時間を過ごしました

BACK INTO ENGLISH

I had a good time with my friends at the birthday party