YOU SAID:
Party is in the house tonight
INTO JAPANESE
パーティーは今夜家にあります
BACK INTO ENGLISH
The party's at home tonight.
INTO JAPANESE
パーティーは今夜家にある。
BACK INTO ENGLISH
The party is at home tonight.
INTO JAPANESE
パーティーは今夜家にいる。
BACK INTO ENGLISH
The party is at home tonight.
Okay, I get it, you like Translation Party.