YOU SAID:

Are you coming to the party?

INTO JAPANESE

パーティーに来ていますか?

BACK INTO ENGLISH

Do you come to the party it?

INTO JAPANESE

来るパーティーにそれ

BACK INTO ENGLISH

Come party it

INTO JAPANESE

パーティーに来る

BACK INTO ENGLISH

Come to the party

INTO JAPANESE

パーティーに来る

BACK INTO ENGLISH

Come to the party