YOU SAID:

I wanted to go to my friend's party, but I wasn't invited

INTO JAPANESE

友達のパーティーに行きたかったけど、招待されなかった

BACK INTO ENGLISH

I wanted to go to a friend's party but I wasn't invited

INTO JAPANESE

友達のパーティーに行きたかったけど誘われなかった

BACK INTO ENGLISH

I wanted to go to a friend's party but I wasn't invited