YOU SAID:
when ı am alone in the house
INTO JAPANESE
家に一人でいるとき
BACK INTO ENGLISH
When you are alone at home
INTO JAPANESE
一人で家にいるとき
BACK INTO ENGLISH
When you are at home alone
INTO JAPANESE
一人で家にいるとき
BACK INTO ENGLISH
When you are at home alone
That didn't even make that much sense in English.