YOU SAID:
I'm not to your sister's house.
INTO JAPANESE
私はあなたの妹の家には行っていません。
BACK INTO ENGLISH
I haven't gone to your sister's house.
INTO JAPANESE
私はあなたの妹の家に行っていません。
BACK INTO ENGLISH
I haven't gone to your sister's house.
Come on, you can do better than that.