YOU SAID:

i would like to go to the party with you and your cousin

INTO JAPANESE

私はあなたとあなたのいとこと一緒にパーティーに行きたいです

BACK INTO ENGLISH

i want to go to a party with you and your cousin

INTO JAPANESE

あなたとあなたのいとこと一緒にパーティーに行きたい

BACK INTO ENGLISH

I want to go to a party with you and your cousin

INTO JAPANESE

あなたとあなたのいとこと一緒にパーティーに行きたい

BACK INTO ENGLISH

I want to go to a party with you and your cousin