YOU SAID:

Hey John, are you going to come Mary's party

INTO JAPANESE

やあジョン、メアリーのパーティーに来ない？

BACK INTO ENGLISH

Hi John, would you like to come to Mary's party?

INTO JAPANESE

こんにちは、ジョン、メアリーのパーティーに来ませんか?

BACK INTO ENGLISH

Hello John, would you like to come to Mary's party?

INTO JAPANESE

こんにちは、ジョン、メアリーのパーティーに来ませんか?

BACK INTO ENGLISH

Hello John, would you like to come to Mary's party?