YOU SAID:

i ha ve 5 childr en in my base ment

INTO JAPANESE

私は私の地下に5人の子供を持っています

BACK INTO ENGLISH

I have 5 kids in my basement

INTO JAPANESE

地下に5人の子供がいます

BACK INTO ENGLISH

There are 5 children in the basement

INTO JAPANESE

地下には5人の子供がいます

BACK INTO ENGLISH

There are 5 children in the basement