YOU SAID:

I have orphans in my basement

INTO JAPANESE

私は地下室に孤児がいる

BACK INTO ENGLISH

I have an orphan in the basement.

INTO JAPANESE

地下に孤児がいます。

BACK INTO ENGLISH

There are orphans in the basement.

INTO JAPANESE

地下室には孤児がいます。

BACK INTO ENGLISH

There are orphans in the basement.