YOU SAID:
why did i do a game party last night
INTO JAPANESE
なぜ昨夜ゲームパーティーをしたのか
BACK INTO ENGLISH
Why did we have a game party last night?
INTO JAPANESE
昨夜なぜゲームパーティーをしたのですか?
BACK INTO ENGLISH
Why did you have a game party last night?
INTO JAPANESE
昨日の夜、なぜゲームパーティーを開いたのですか?
BACK INTO ENGLISH
Why did you have a game party last night?
Well done, yes, well done!