YOU SAID:

Dude you need to come to this party with me.

INTO JAPANESE

おいこのパーティーに私と一緒に来る必要があります。

BACK INTO ENGLISH

Dude you should come with me to the party.

INTO JAPANESE

おいパーティーに私と一緒に来る必要があります。

BACK INTO ENGLISH

Dude you should come with me to the party.