YOU SAID:

i do not want to go to the party

INTO JAPANESE

私はパーティーに行きたくないです。

BACK INTO ENGLISH

I don't want to go to the party.

INTO JAPANESE

パーティーに行きたくないのですか。

BACK INTO ENGLISH

Don't you want to go to the party?

INTO JAPANESE

パーティーに行きたくないのですか。

BACK INTO ENGLISH

Don't you want to go to the party?