YOU SAID:
there are kids in my basement
INTO JAPANESE
私の地下室には子供がいます
BACK INTO ENGLISH
I have a child in my basement
INTO JAPANESE
地下室に子供がいます
BACK INTO ENGLISH
I have a child in the basement
INTO JAPANESE
地下に子供がいます
BACK INTO ENGLISH
I have a child in the basement
You've done this before, haven't you.